Tiêu chuẩn này quy định các yêu cầu về vật liệu, thiết kế, chế tạo, thử nghiệm, giám sát, chứng nhận và chuyển giao các bình chịu áp lực cấu tạo từ kim loại đen hoặc kim loại màu bằng cách hàn, đúc, rèn, phủ, lót và bao gồm cả việc sử dụng các thiết bị ngoại vi cần thiết cho sự hoạt động chuẩn xác và an toàn của bình chịu áp lực. Các yêu cầu của tiêu chuẩn này đã được xây dựng trên cơ sở mặc định rằng: trong quá trình chế tạo các bước kiểm tra cần thiết đã được thực hiện đầy đủ; và trong suốt thời gian làm việc sau đó thiết bị đã được quản lý một cách thích hợp bao gồm cả việc theo dõi sự xuống cấp của nó.
2010 ASME Boiler and Pressure Vessel Code AN INTERNATIONAL CODE VIII Division Rules for Construction of Pressure Vessels `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT INTENTIONALLY LEFT BLANK `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT A N I N T E R N AT I O N A L CO D E 2010 ASME Boiler & Pressure Vessel Code 2010 Edition July 1, 2010 VIII Division RULES FOR CONSTRUCTION OF PRESSURE VESSELS ASME Boiler and Pressure Vessel Committee on Pressure Vessels Three Park Avenue • New York, NY • 10016 USA `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT Date of Issuance: July 1, 2010 (Includes all Addenda dated July 2009 and earlier) This international code or standard was developed under procedures accredited as meeting the criteria for American National Standards and it is an American National Standard The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies, which precludes the issuance of interpretations by individuals The footnotes in this document are part of this American National Standard ASME collective membership mark The above ASME symbols are registered in the U.S Patent Office “ASME” is the trademark of the American Society of Mechanical Engineers No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher Library of Congress Catalog Card Number: 56-3934 Printed in the United States of America Adopted by the Council of the American Society of Mechanical Engineers, 1914 Revised 1940, 1941, 1943, 1946, 1949, 1952, 1953, 1956, 1959, 1962, 1965, 1968, 1971, 1974, 1977, 1980, 1983, 1986, 1989, 1992, 1995, 1998, 2001, 2004, 2007, 2010 The American Society of Mechanical Engineers Three Park Avenue, New York, NY 10016-5990 Copyright © 2010 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT CONTENTS List of Sections Foreword Statements of Policy Personnel Summary of Changes List of Changes in Record Number Order Introduction xxv xxvii xxix xxx xlii xlviii SUBSECTION A GENERAL REQUIREMENTS Part UG General Requirements for All Methods of Construction and All Materials Scope 8 UG-1 Materials UG-4 UG-5 UG-6 UG-7 UG-8 UG-9 UG-10 UG-11 UG-12 UG-13 UG-14 UG-15 General Plate Forgings Castings Pipe and Tubes Welding Materials Material Identified With or Produced to a Specification Not Permitted by This Division, and Material Not Fully Identified Prefabricated or Preformed Pressure Parts Bolts and Studs Nuts and Washers Rods and Bars Product Specification 10 11 13 13 13 13 Design UG-16 UG-17 UG-18 UG-19 UG-20 UG-21 UG-22 UG-23 UG-24 UG-25 UG-26 UG-27 UG-28 UG-29 UG-30 General Methods of Fabrication in Combination Materials in Combination Special Constructions Design Temperature Design Pressure Loadings Maximum Allowable Stress Values Castings Corrosion Linings Thickness of Shells Under Internal Pressure Thickness of Shells and Tubes Under External Pressure Stiffening Rings for Cylindrical Shells Under External Pressure Attachment of Stiffening Rings 13 14 14 14 15 16 16 16 18 18 19 19 20 23 25 iii Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 9 9 10 UG-31 UG-32 UG-33 UG-34 UG-35 Tubes, and Pipe When Used as Tubes or Shells Formed Heads, and Sections, Pressure on Concave Side Formed Heads, Pressure on Convex Side Unstayed Flat Heads and Covers Other Types of Closures 27 29 30 33 37 Openings and Reinforcements UG-36 Openings in Pressure Vessels UG-37 Reinforcement Required for Openings in Shells and Formed Heads UG-38 Flued Openings in Shells and Formed Heads UG-39 Reinforcement Required for Openings in Flat Heads UG-40 Limits of Reinforcement UG-41 Strength of Reinforcement UG-42 Reinforcement of Multiple Openings UG-43 Methods of Attachment of Pipe and Nozzle Necks to Vessel Walls UG-44 Flanges and Pipe Fittings UG-45 Nozzle Neck Thickness UG-46 Inspection Openings 38 41 44 44 46 46 51 52 53 54 54 Braced and Stayed Surfaces UG-47 Braced and Stayed Surfaces UG-48 Staybolts UG-49 Location of Staybolts UG-50 Dimensions of Staybolts 56 57 57 57 Ligaments UG-53 UG-54 UG-55 Ligaments Supports Lugs for Platforms, Ladders, and Other Attachments to Vessel Walls 57 59 59 General Cutting Plates and Other Stock Material Identification (See UG-85) Repair of Defects in Materials Forming Shell Sections and Heads Permissible Out-of-Roundness of Cylindrical, Conical, and Spherical Shells Tolerance for Formed Heads Lugs and Fitting Attachments Holes for Screw Stays Charpy Impact Tests Heat Treatment 62 62 62 62 62 Fabrication UG-75 UG-76 UG-77 UG-78 UG-79 UG-80 UG-81 UG-82 UG-83 UG-84 UG-85 Inspection and Tests UG-90 General UG-91 The Inspector UG-92 Access for Inspector UG-93 Inspection of Materials UG-94 Marking on Materials UG-95 Examination of Surfaces During Fabrication UG-96 Dimensional Check of Component Parts UG-97 Inspection During Fabrication UG-98 Maximum Allowable Working Pressure 63 64 65 65 65 71 71 72 72 72 73 73 74 74 74 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - iv Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT UG-99 UG-100 UG-101 UG-102 UG-103 Standard Hydrostatic Test Pneumatic Test (See UW-50) Proof Tests to Establish Maximum Allowable Working Pressure Test Gages Nondestructive Testing 74 76 76 81 82 Marking and Reports UG-115 General UG-116 Required Marking UG-117 Certificates of Authorization and Code Symbol Stamps UG-118 Methods of Marking UG-119 Nameplates UG-120 Data Reports 82 82 83 86 86 87 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Pressure Relief Devices UG-125 General UG-126 Pressure Relief Valves UG-127 Nonreclosing Pressure Relief Devices UG-128 Liquid Pressure Relief Valves UG-129 Marking UG-130 Code Symbol Stamp UG-131 Certification of Capacity of Pressure Relief Devices UG-132 Certification of Capacity of Pressure Relief Valves in Combination With Nonreclosing Pressure Relief Devices UG-133 Determination of Pressure Relieving Requirements UG-134 Pressure Settings and Performance Requirements UG-135 Installation UG-136 Minimum Requirements for Pressure Relief Valves UG-137 Minimum Requirements for Rupture Disk Devices UG-138 Minimum Requirements for Pin Devices UG-140 Overpressure Protection by System Design Figures UG-28 UG-28.1 UG-29.1 UG-29.2 UG-30 UG-33.1 UG-34 UG-36 UG-37 UG-37.1 UG-38 UG-39 UG-40 UG-41.1 Diagrammatic Representation of Variables for Design of Cylindrical Vessels Subjected to External Pressure Diagrammatic Representation of Lines of Support for Design of Cylindrical Vessels Subjected to External Pressure Various Arrangements of Stiffening Rings for Cylindrical Vessels Subjected to External Pressure Maximum Arc of Shell Left Unsupported Because of Gap in Stiffening Ring of Cylindrical Shell Under External Pressure Some Acceptable Methods of Attaching Stiffening Rings Length Lc of Some Typical Conical Sections for External Pressure Some Acceptable Types of Unstayed Flat Heads and Covers Large Head Openings — Reverse-Curve and Conical Shell-Reducer Sections Chart for Determining Value of F, as Required in UG-37 Nomenclature and Formulas for Reinforced Openings Minimum Depth for Flange of Flued-In Openings Multiple Openings in Rim of Heads With a Large Central Opening Some Representative Configurations Describing the Reinforcement Dimension te and the Opening Dimension d Nozzle Attachment Weld Loads and Weld Strength Paths to Be Considered v Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 88 89 90 93 93 95 95 99 100 100 101 101 105 107 109 20 21 26 27 28 32 35 39 41 42 44 47 48 50 UG-42 UG-47 UG-53.1 UG-53.2 UG-53.3 UG-53.4 UG-53.5 UG-53.6 UG-80.1 UG-80.2 UG-84 UG-84.1 UG-84.1M UG-116 UG-118 UG-129.1 UG-129.2 Tables UG-33.1 UG-37 UG-43 UG-45 UG-84.2 UG-84.3 UG-84.4 Examples of Multiple Openings Acceptable Proportions for Ends of Stays Example of Tube Spacing With Pitch of Holes Equal in Every Row Example of Tube Spacing With Pitch of Holes Unequal in Every Second Row Example of Tube Spacing With Pitch of Holes Varying in Every Second and Third Row Example of Tube Spacing With Tube Holes on Diagonal Lines Diagram for Determining the Efficiency of Longitudinal and Diagonal Ligaments Between Openings in Cylindrical Shells Diagram for Determining Equivalent Longitudinal Efficiency of Diagonal Ligaments Between Openings in Cylindrical Shells Maximum Permissible Deviation From a Circular Form e for Vessels Under External Pressure Example of Differences Between Maximum and Minimum Inside Diameters in Cylindrical, Conical, and Spherical Shells Simple Beam Impact Test Specimens (Charpy Type Test) Charpy V-Notch Impact Test Requirements for Full Size Specimens for Carbon and Low Alloy Steels, Having a Specified Minimum Tensile Strength of Less Than 95 ksi, Listed in Table UCS-23 Charpy V-Notch Impact Test Requirements for Full Size Specimens for Carbon and Low Alloy Steels, Having a Specified Minimum Tensile Strength of Less Than 655 MPa, Listed in Table UCS-23 Official Symbols for Stamp to Denote the American Society of Mechanical Engineers’ Standard Form of Stamping Official Symbol for Stamp to Denote the American Society of Mechanical Engineers’ Standard for Pressure Relief Valves Official Symbol for Stamp to Denote the American Society of Mechanical Engineers’ Standard for Nonreclosing Pressure Relief Devices Values of Spherical Radius Factor Ko for Ellipsoidal Head With Pressure on Convex Side Values of Spherical Radius Factor K1 Minimum Number of Pipe Threads for Connections Nozzle Minimum Thickness Requirements Charpy Impact Test Temperature Reduction Below Minimum Design Metal Temperature Specifications for Impact Tested Materials in Various Product Forms Impact Test Temperature Differential 52 56 58 58 58 59 60 61 63 63 65 67 68 82 86 93 94 30 43 53 55 69 69 69 SUBSECTION B REQUIREMENTS PERTAINING TO METHODS OF FABRICATION OF PRESSURE VESSELS 111 Part UW Requirements for Pressure Vessels Fabricated by Welding 111 General UW-1 UW-2 UW-3 Scope 111 Service Restrictions 111 Welded Joint Category 113 vi Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT Materials UW-5 General 113 Design UW-8 UW-9 UW-10 UW-11 UW-12 UW-13 UW-14 UW-15 UW-16 UW-17 UW-18 UW-19 UW-20 UW-21 General Design of Welded Joints Postweld Heat Treatment Radiographic and Ultrasonic Examination Joint Efficiencies Attachment Details Openings in or Adjacent to Welds Welded Connections Minimum Requirements for Attachment Welds at Openings Plug Welds Fillet Welds Welded Stayed Construction Tube-to-Tubesheet Welds Flange to Nozzle Neck Welds 114 114 115 115 116 116 125 125 126 136 137 137 138 140 General Welding Processes Qualification of Welding Procedure Tests of Welders and Welding Operators Lowest Permissible Temperatures for Welding Cutting, Fitting, and Alignment Cleaning of Surfaces to Be Welded Alignment Tolerance Spin-Holes Finished Longitudinal and Circumferential Joints Fillet Welds Miscellaneous Welding Requirements Repair of Weld Defects Peening Procedures for Postweld Heat Treatment Sectioning of Welded Joints Surface Weld Metal Buildup 140 141 142 142 142 143 143 143 144 144 144 144 145 145 146 147 147 Fabrication UW-26 UW-27 UW-28 UW-29 UW-30 UW-31 UW-32 UW-33 UW-34 UW-35 UW-36 UW-37 UW-38 UW-39 UW-40 UW-41 UW-42 Inspection and Tests UW-46 UW-47 UW-48 UW-49 UW-50 UW-51 UW-52 UW-53 General Check of Welding Procedure Check of Welder and Welding Operator Qualifications Check of Postweld Heat Treatment Practice Nondestructive Examination of Welds on Pneumatically Tested Vessels Radiographic Examination of Welded Joints Spot Examination of Welded Joints Technique for Ultrasonic Examination of Welded Joints 148 148 148 148 148 148 149 150 Marking and Reports UW-60 General 150 vii `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT Pressure Relief Devices UW-65 General 150 UW-54 Qualification of Nondestructive Examination Personnel 150 Figures UW-3 UW-16.2 UW-16.3 UW-19.1 UW-19.2 UW-20.1 UW-21 Illustration of Welded Joint Locations Typical of Categories A, B, C, and D Butt Welding of Plates of Unequal Thickness Heads Attached to Shells Attachment of Pressure Parts to Flat Plates to Form a Corner Joint Typical Pressure Parts With Butt Welded Hubs Nozzle Necks Attached to Piping of Lesser Wall Thickness Fabricated Lap Joint Stub Ends for Lethal Service Some Acceptable Types of Welded Nozzles and Other Connections to Shells, Heads, etc Some Acceptable Types of Small Standard Fittings Some Acceptable Types of Small Bolting Pads Typical Forms of Welded Staybolts Use of Plug and Slot Welds for Staying Plates Some Acceptable Types of Tube-to-Tubesheet Strength Welds Typical Details for Slip-On and Socket Welded Flange Attachment Welds Tables UW-12 UW-16.1 UW-33 Maximum Allowable Joint Efficiencies for Arc and Gas Welded Joints 117 Minimum Thickness Required by UW-16(a)(3)(a)(6) 133 143 Part UF Requirements for Pressure Vessels Fabricated by Forging 151 General UF-1 Scope 151 Materials UF-5 UF-6 UF-7 General 151 Forgings 151 Forged Steel Rolls Used for Corrugating Paper Machinery 151 Design UF-12 UF-13 UF-25 General 151 Head Design 152 Corrosion Allowance 152 UW-9 UW-13.1 UW-13.2 UW-13.3 UW-13.4 UW-13.5 UW-16.1 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Fabrication UF-26 UF-27 UF-28 UF-29 UF-30 UF-31 UF-32 UF-37 UF-38 UF-43 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS General Tolerances on Body Forgings Methods of Forming Forged Heads Tolerance on Forged Heads Localized Thin Areas Heat Treatment Welding for Fabrication Repair of Defects in Material Repair of Weld Defects Attachment of Threaded Nozzles to Integrally Forged Necks and Thickened Heads on Vessels 113 114 119 123 124 125 126 127 134 136 137 138 139 141 152 152 152 152 153 153 153 154 155 155 viii Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION TABLE KK-1 INSTRUCTIONS FOR THE PREPARATION OF USER’S DESIGN REQUIREMENTS Any quantity to which units apply shall be entered on the User’s Design Requirement Form with the chosen units Applies to Form UDR-1 X X X X X X X X U-DR-2 X X X X X X X Note No X X X X X X F F F F F F F F F 10 F 11 F 12 F 13 F 14 F X 15 F 16 F X X 17 F X X X X 18 F 19 F X X 20 F X X X X X X X X X X 21 F 22 F 23 F 24 F 25 F X X X X X X X X 26 F 27 F 28 F 29 F X X X X X X X X X X X X X X X X X X 30 F 31 F 32 F 33 F 34 F 35 F 36 F 37 F 38 F X X X X X X Instruction Insert the name of the owner of the vessel Insert the name of the vessel operator if different than the owner Location where the vessel will be installed, if known Service the vessel will be used for, if known Specific gravity of the contents, if known Item number of the vessel, if known Dimensional information; indicate if inside or outside diameter Type of single-chamber pressure vessel Type of multi-chamber pressure vessel National Board registration requirements Canadian registration requirements Special service requirements; see UW-2 Overpressure protection requirements, if known Operating conditions, if known See U-2(a) May or may not be coincident conditions If more space is required, list them on a supplemental page Show the Design Pressure for internal and external design Show the Design Pressure for each chamber for internal and external design Include a description of each chamber Indicate if the Manufacture is required to calculate MAWP or use Design Pressure and Design Temperature Show the MDMT and basis for each case Show the Corrosion Allowance for each of the stated components, and if the vessel is in Corrosive Service Show if the vessel is in Cyclic Service and if so, if a Fatigue Analysis is required Indicate in General Notes any additional required information for pressure cycles, thermal cycles, etc Show wind loading information Show seismic loading information Indicate any other loadings per UG-22 for design consideration Show any insulation information Show required specification for painting Indicate if Manufacturer may paint prior to performing pressure testing Indicate type of support to be used Show any fireproofing information as applicable Show materials for components Nozzle information List all openings; if more space is required, list them on a supplemental page Show the joint efficiency requirements for the shell thickness determination Show the joint efficiency requirements for the head thickness determination Show the joint type required for each category weld See UW-12 Indicate NDE required for each joint type Show Body Flange information Provide a sketch with dimensions, if known Provide any additional information Sign and certify, if required Example: Professional Engineer’s Seal 732 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION NONMANDATORY APPENDIX LL GRAPHICAL REPRESENTATIONS OF Ft,min AND Ft,max The curves in Figs LL-1 and LL-2 are graphical representations of Ft,min and Ft,max, respectively, for v* p 0.4 when Pe ≠ They are sufficiently accurate to be used for other values of v* For values of Xa and Q3 beyond those given by the curves, see Table UHX-13.2 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - 733 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION FIG LL-1 GRAPHICAL REPRESENTATION OF Ft,min 20.0000 0.0000 Ft, -20.0000 10 11 12 13 14 15 16 17 18 19 20 Q3= -0.8 -40.0000 Q3= -0.7 -60.0000 Q3= -0.5 Q3= -0.6 Q3= -0.4 -80.0000 Q3= -0.3 Q3= -0.2 -100.0000 Q3= -0.1 Q3=0 -120.0000 -140.0000 -160.0000 Xa (a) –0.8 ^ Q ^ 5.0000 0.0000 -5.0000 10 11 12 13 14 15 16 17 18 19 20 Q3=0 Q3=0.1 Ft, -10.0000 Q3=0.2 Q3=0.3 -15.0000 Q3=0.4 Q3=0.5 -20.0000 Q3=0.6 -25.0000 Q3=0.7 Q3=0.8 -30.0000 -35.0000 -40.0000 Xa (b) ^ Q ^ 0.8 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - 734 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION FIG LL-2 GRAPHICAL REPRESENTATION OF Ft,max 40.0000 35.0000 Q3= -0.8 30.0000 Q3= -0.7 Q3= -0.6 Ft, max 25.0000 Q3= -0.5 20.0000 Q3= -0.4 Q3= -0.3 15.0000 Q3= -0.2 Q3= -0.1 10.0000 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Q3=0 5.0000 0.0000 10 11 12 13 14 15 16 17 18 19 20 Xa (a) –0.8 ^ Q ^ 200.0000 180.0000 160.0000 Q3=0 Q3=0.1 140.0000 Q3=0.2 Ft, max 120.0000 Q3=0.3 100.0000 Q3=0.4 80.0000 Q3=0.5 Q3=0.6 60.0000 Q3=0.7 40.0000 Q3=0.8 20.0000 0.0000 10 11 12 13 14 15 16 17 18 19 20 Xa (b) ^ Q ^ 0.8 735 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION NONMANDATORY APPENDIX MM ALTERNATIVE MARKING AND STAMPING OF GRAPHITE PRESSURE VESSELS MM-1 (i) The impression may be washed to remove excess release agent GENERAL REQUIREMENTS (a) This procedure may be used to apply the Code Symbol to the graphite part (b) The required data as defined in UIG-116 shall be ⁄32 in (4 mm) high, minimum (c) The ASME Code symbol shall be used to make the impression in the cement MM-2 MM-3 APPLICATION OF CHARACTERS DIRECTLY TO GRAPHITE (a) Use a very thin template of a flexible material (e.g., stainless steel; flexible and easily cleaned) (b) Place and hold the template over a clean smooth surface (c) Hold the template securely and trowel over with approved cement to fill all of the template area (d) Carefully lift the template from the graphite part and examine the detail of the characters (e) If the characters are incorrect or damaged, wipe off the cement with a compatible solvent and reapply (f) If acceptable, cure the cement (e) As an alternative to (a) through (f) above, the graphite surface may also be marked with a scribe or a tool APPLICATION OF THE CODE SYMBOL (a) The graphite surface shall be clean and smooth (b) Apply a thin to medium coating of cement onto a small section of the Code part The mixed cement should have a thick consistency (toothpaste) (c) Apply heat to the cement so that it begins to form a skin (cement is still soft, not cured) (d) Apply a thinned coat of a release agent (such as Antisieze) to the tip of the Code stamp (e) Before the cement hardens, firmly press the Code stamp into the cement all the way to the bottom, and pull the stamp straight out of the cement (f) Do not disturb the impression (g) Cure the impression as required (h) When cured, confirm that the impression is legible NOTE: The preceding methods may be applied jointly to identify the graphite part and to transfer the Code Symbol stamp MM-4 ACCEPTANCE CRITERION The stamping must be legible and acceptable to the Authorized Inspector 736 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION INDEX fluxes, UB-7 heads into shells, UB-16 operating temperature, UB-2 Buttstraps, curvature, UB-33 forming ends of, UG-79 thickness and corrosion allowance, UB-13 welding ends of, UB-33 Abrasion, allowance for, UG-25, UG-26 Accessibility, pressure vessels, M-2 Access openings, UG-46 Allowance for corrosion, erosion, or abrasion, UG-25, UG-26, UB-13, UCS-25, UCL-25 Applied lining, tightness, UCL-51 Approval of new materials, UG-4, App B Articles in Section V Article 1, T-150, 6-1, 8-1, 12-2 Article 2, UW-51 Article 5, 12-1 Article 6, 8-1 Article 7, 6-1 Attachments lugs and fitting, UG-82 lugs for platforms, ladders, etc., UG-55 nonpressure parts, UW-28, UHT-85 nozzles, UW-16 pipe and nozzle necks to vessel walls, UG-43, UHT-18 stiffening rings to shell, UG-30, UHT-28, UHT-30 Carbon in material for welding, UF-5, UCS-5 Cast ductile iron vessels, design, UCD-16 pressure–temperature limitations, UCD-3 service restrictions, UCD-2 Castings carbon steel, UCS-8 defects, UG-24 impact test, UG-84, UHT-6 inspection, UG-24 quality factor, UG-24 specifications, UG-7, UCS-8, UNF-8, UCD-5 Cast iron circular dished heads, UCI-35 Cast iron pipe fittings, UCI-3 Cast iron standard parts, small, UG-11 Cast iron vessels, corners and fillets, UCI-37 head design, UCI-32, UCI-33 hydrostatic test, UCI-99 nozzles and fittings, UCI-36 pressure–temperature limitations, UCI-3 Certificate of Authorization for Code Symbol Stamp, UG-116 Certification of material, UG-93 Certification of Nondestructive Personnel liquid penetrant examination, 8-2 magnetic particle examination, 6-2 radiographic examination, UW-51 ultrasonic examination, 12-2 Chip marks on integrally forged vessels, UF-32 Circumferential joints, alignment tolerance, UHT-20 assembling, UW-9, UB-16 brazing, UB-16 vessels subjected to external pressure, UG-28 Clad material, inserted strips, UCL-33 examination, UCL-36 Clad plate, UCL-11 Cleaning of brazed surfaces, UB-34 of welded surfaces, UW-32 Clearance between surfaces to be brazed, UB-35 Backing strip, Table UW-12, UW-16, UW-35 Bending stress, welded joints, UW-9 Bend test, UHA-52 Blind flanges, UG-34 Bolted flange connections, UG-44, Apps and Y bolt loads, 2-5 bolt stresses, App S design of, Apps 2, S, and Y flange moments, 2-6 flange stresses, 2-7, App S materials, UG-4 to UG-13, UCD-12, 2-2 studs, 2-2 tightness of, App S types of attachment, 2-4 Bolts, UG-12, UCS-10, UNF-12, UCI-12, UCD-12, 2-2, App S Braced and stayed surfaces, UG-47 Brazed connections for nozzles, UB-17 to UB-19 Brazed joints, efficiency of, UB-14 maximum service temperature, UB-12 strength of, UB-10 Brazing, cleaning of braced surfaces, UB-34 fabrication by, UB-1, UB-30 to UB-37 filler metal, UB-6, UB-15 737 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION supports to prevent, UG-27, UG-28 Drainage, discharge from safety and relief valves, UG-134 of vessels subject to corrosion, UG-25, M-2 Drop-weight tests, UHT-6 Combination, of different materials, UB-5 of methods of fabrication, U-2, UG-17 Computed working pressure from hydrostatic tests, UG-101, UCI-101, UCD-101 Conical heads, UG-32, UHT-33, 1-5 Conical sections, UHT-19 Connections, bolted flange (see Bolted flange connections) brazed, UB-19 to UB-21 clamp, App 24 expanded, UG-43 from vessels to safety valves, UG-135 studded, UG-43 threaded, UG-43 welded, UW-15, UW-16, UHT-17, UHT-18 Cooling, after postweld heat treating, UW-40, UHT-56, Table UHT-56 Corrosion allowance, UG-16(e), UG-25, UB-13, UCS-25, UCL-25, UHT-25, App E Corrosion resistant linings, UG-26 Corrugated shells, UCS-28 Corrugating paper machinery, UF-7 Cover plates, UG-34 on manholes and handholes, UG-46 spherically dished, UG-35, 1-6 Cracking, stress corrosion, UHA-103 Cutting plates, UG-76, UW-31, UHT-83 Cylindrical shells, supplementary loading, UG-22 thickness, UG-27, UHT-27, UCI-29 transition in, UG-36 Eccentricity of shells, UG-80 edges of plates, metal removal from, UHT-83 tapered, UW-9 Efficiency, around openings for welded attachments, UW-15 welded, UW-12 Elasticity, modulus of, Table TM of Section II, Part D, Subpart Electric resistance welding, UW-12 Ellipsoidal heads, UG-32, UG-33, 1-4, UHT-32, UHT-33 Erosion, allowance for, UG-25 Etching, of sectioned specimens, K-1 solutions for examination of materials, K-1 Evaporators, U-1 Examination, of sectioned specimens, UW-52 of welded joints, UW-51, UW-52, UNF-57, UNF-58, UHT-57, UHT-83 Exemptions, diameter and volume, U-1 Expanded connections, UG-43 External pressure, tube and pipe, UG-31 External pressure vessels, UG-28 to UG-30, UG-33, UG-80, UCD-28, UHT-27, UHT-29, UHT-30, UHT-33 allowable working pressure for, UG-28 charts, Section II, Part D, Subpart design of heads for, UG-33, UCS-33, UNF-33, UHA-31, UCI-33, UHT-33 joints in shells of, UG-28, UHT-17 reducers, UG-36 reinforcement for openings, UG-37, UHT-17 stiffening rings in shells, UCS-29, App L supports for, UG-29, G-1 thickness of shell, UG-28, UCS-28, UNF-28, UHA-28, UCI-28, UHT-27, UCL-26 Data Report, Guide for preparation, App W Defects in welded vessels, repair, UW-38, UHT-85 Definitions, 3-1 Design, brazed vessels, UB-9 carbon and low alloy steel vessels, UCS-16 cast ductile iron vessels, UCD-16 cast iron vessels, UCI-16 clad vessels, UCL-20 ferritic steel vessels with properties enhanced by heat treatment, UHT-16 forged vessels, UF-12 high alloy steel vessels, UHA-20 loadings, UG-22 multichamber vessels, UG-19 nonferrous vessels, UNF-16 welded vessels, UW-8, UHT-1, UHT-16 Design pressure, UG-21 Diameter exemption, U-1 Dimensions, checking of, UG-96 Discharge of safety valve, UG-133, UG-134 Dished heads (see Formed heads) Disks, rupture, UG-127 Dissimilar weld metal, UG-18, UHA-107, UCL-31 Distortion, of welded vessels, UG-80 Fabrication, brazed vessels, UB-30 carbon and low alloy steel vessels, UCS-75 cast ductile iron vessels, UCD-75 cast iron vessels, UCI-75 clad vessels, UCL-30 ferritic steel vessels with tensile properties enchanced by heat treatment, UHT-75 forged vessels, UF-26 high alloy steel vessels, UHA-40 nonferrous vessels, UNF-75 welded vessels, UW-26, UHT-1, UHT-75 Ferritic steel vessels with tensile properties enhanced by heat treatment, design, UHT-16 fabrication, UHT-75 head design, UHT-33 heat treatment, UHT-80 738 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Heads, concave and convex, UG-32, UG-33, UCI-32, UCI-33, UCD-32, UCD-33, UHT-32, UHT-33 flat (see Flat heads) forged, UF-13 to UF-28 formed (see Formed heads) forming, UG-79, UCS-79, UNF-77, UHT-79 thickness, after forming, UG-32, UG-33, UHT-79 Heads, design, conical, UG-32, UHT-33, 1-5 ellipsoidal, UG-32, UG-33, UHT-32, UHT-33, 1-4 hemispherical, UG-32, UG-33, UHT-32, UHT-33, 1-4 spherically dished, UG-32, UG-33, UCD-35, 1-6 toriconical, UG-32, UF-13, 1-5 torispherical, UG-32, UG-33, 1-4 torispherical, knuckle radius, UG-32 Heads and shells, external pressure, out-of-roundness, UG-80, UG-81 openings through or near welded joints, UW-14 roundness tolerance, UG-80, UG-81 Heat exchangers, U-1 Heat treatment, by fabricator, UG-85, UCS-85 carbon and low alloy steel vessels, UCS-85 ferritic steel vessels with tensile properties enhanced by heat treatment, UHT-80 forged vessels, UF-31 furnaces, UHT-80 high alloy vessels, UHA-105 of test specimens, UG-85, UCS-85 verification tests of, UHT-81 Hemispherical heads, UG-32, 1-4 High pressure vessels, U-1 Holes, for screw stays, UG-83 for trepanning plug sections, refilling, K-2 telltale, UG-25, UCL-25 unreinforced, in welded joints, UW-14 Hubs, on flanges, 2-2 Hydrostatic proof tests, UG-101, UCI-101, UCD-101 destructive, UG-101, UCI-101, UCD-101 prior pressure application, UG-101 Hydrostatic test, cast iron vessels, UCI-99 combined with pneumatic, UG-100 enameled vessels, UG-99 external pressure vessels, UG-99 galvanized vessels, UG-99 standard, UG-99, UCL-52, UCD-99 welded vessels, UG-99, UW-50 heat treatment verification tests, UHT-81 marking, UHT-86 materials, UHT-1, UHT-5, UHT-40 stamping, UHT-115 welded joints, UHT-17 welding, UHT-82 Field assembly of vessels, U-1, U-2 Filler plugs for trepanned holes, K-2 Fillet welds, UW-18, UW-36, UCL-46 Fired process tubular heaters, U-1 Fitting attachments, UG-82, UHT-18 Flange connections, UG-44 Flange contact facings, 2-3 Flanges, bolted design, Apps and S of formed heads for welding, UW-13 type of attachment, 2-4 Flat heads and covers, unstayed, UG-34 reinforcement of openings, UG-39 Flat spots on formed heads, UG-32 Flued openings, UG-38 Forged parts, small, UG-11 Forged vessels, heat treatment, UF-31 localized thin areas, UF-30 welding, UF-32 Forgings, UG-6, UF-6, UCS-7, UNF-7 identification of, UF-47 ultrasonic examination, UF-55 Form, Manufacturer’s Data Report, App W Partial Report, App W Formed heads, UG-32, UG-33, UCS-33, UHT-32, UHT-33 flued openings in, UG-38 insertion of, welded vessels, UW-13 joint efficiency, UG-32 knuckle radius, UG-32, UHT-19 length of skirt, UG-32, UG-33, UW-13, UHT-19 on welded vessels, UW-13 reinforcement for openings, UG-37 Forming, ends of shell plates and buttstraps, UG-79 forged heads, UF-28 shell sections and heads, UG-79, UCS-79, UNF-77, UHT-79 Furnaces, temperatures for postweld heat treatment, UW-40 Furnaces for heat treating, UHT-80 temperature control of, UHT-80 Galvanized vessels, UG-99 Gasket materials, 2-3, Table 2-5.1 Girth joints (see Circumferential joints) Identification, of forgings, UF-47 of plates, UG-77, UG-85, UG-94, UHT-86 of welds, UW-37 Identification markers, radiographs, UW-51 Impact test, certification, UG-84 properties, UG-84, UHT-6 specimens, UG-84, UHT-5, UHT-6, UHT-81, UHT-82 temperature, UHT-5 Handhole and manhole openings, UG-46 Head flange (skirt) length, UG-32, UG-33, UW-13 Head joints, brazing, UB-16 welded, UW-13 (see also Heads and shells; Joints) Head openings, entirely in spherical portion, UG-37 739 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION Knuckles, radius, UG-32, UHT-19 transition section, UG-36, UHT-19 Inspection, before assembling, UG-90 to UG-102 brazed vessels, UB-40, UB-44 carbon and low alloy steel, UCS-90 cast ductile iron vessels, UCD-90 cast iron vessels, UCI-90 clad vessels, UCL-50 during fabrication, UG-95, UG-97 ferritic steel vessels with tensile properties enhanced by heat treatment, UHT-90 fitting up, UG-96 forged vessels, UF-45 to UF-54 heat treatment, forgings, UF-52 high alloy steel vessels, UHA-50 magnetic particle, UW-50, UHT-57, UHT-83 material, UG-93, UG-94 nonferrous vessels, UNF-90 plate, UG-93 to UG-95 postweld heat treatment, UW-49, UF-52 pressure vessels, accessibility, M-2 quality control, UG-90 sectioning of welded joints, UW-41 spot examination, UW-52 steel castings, UG-24, 7-1 surfaces exposed and component parts, UG-95, UG-46 test specimens, UF-53 vessels, UG-90, UG-97, UW-46, UHT-90 vessels exempted from, U-1 welded vessels, UW-46 to UW-52 Inspection openings, UG-46 Inspection, access to plant, UG-92 control of stamping, UG-116 duties, U-2, UG-90 facilities, UG-92 qualification, UG-91 reports, UG-120 Installation, pressure-relieving devices, UG-134, UHT-125, M-4 to M-8 pressure vessel, M-1 Integral cast iron dished heads, UCI-35 Integrally finned tubes, UG-8 Internal structures, D-1 to D-3 Lap joints, amount of overlap, UW-9, UB-16 brazed, UB-16 longitudinal under external pressure, UG-28 welded, UW-9 Laws covering pressure vessels, U-1 Lethal gases or liquids, UW-2, UCI-2 Ligaments, efficiency of, L-8 Limitation on welded vessels, UW-2 Limit of out-of-roundness of shells, UG-80 Linings, UG-26, UCL-12 corrosion resistant, F-1 to F-3 Liquid penetrant examination, UG-93, UW-42, UHT-57, UHT-83, App.8 Loadings, UG-22 Local postweld heat treatment, UW-40 Longitudinal joints, alignment tolerance, UHT-20 brazing, UB-16 vessels subjected to external pressure, UG-28 Low temperature operation, UCS-65 Low temperature vessels, brazed, UB-22 for gases and liquids, UCS-65 to 67, UNF-65, UCL-27 impact test requirements, UG-84, UHA-51 impact tests, when not required, UCS-66 marking, UG-116 materials, UG-84 testing of materials, UG-84 Lugs for ladders, platforms, and other attachments, UG-55 Magnetic particle inspection, UG-93, UHT-57, UHT-83, 6-1 to 6-4 Manholes, and handholes, UG-46 cover plates for, UG-34 minimum vessel diameter requiring, UG-46 Manufacturer, responsibility of, UG-90, UW-26 Manufacturer’s Data Report (see Data Report) Manufacturer’s stamps, UG-77, UG-94 Marking, castings, UG-24 materials, UG-94, UHT-86 plates, UG-10, UG-77, UG-85, UG-94, UHT-86 standard pressure parts, UG-11 valves and fittings, UG-11 with Code Symbol, UG-116, UHT-115 Markings, transfer after cutting plates, UG-77, UG-94 Mass produced vessels, UG-90 Materials, approval of new, UG-4, App B approval of repairs, UG-78, UCI-78 brazed vessels, UB-5 carbon and low alloy steel vessels, UCS-5 cast ductile iron, UCD-5 castings, UG-7 cast iron vessels, UCI-5 Jacketed vessels, UG-28, 9-1 to 9-10 Joints, brazed, UB-16 circumferential (see Circumferential joints) efficiency, brazed, UB-14 welded, UW-11, UW-12 electric resistance, butt welding, UG-31 in cladding and applied linings, UCL-31 in vessels subjected to external pressure, UG-28 lap (see Lap joints) longitudinal (see Longitudinal joints) tube-to-tubesheet, App A Jurisdictional review, U-2 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS 740 Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION for connections to brazed vessels, UB-19 for drainage, UG-25 head (see Openings, head and shell) in flat heads, UG-39 inspection, UG-46 manhole (see Manholes) nozzle (see Nozzle openings) shell (see Openings, head and shell) through welded joints, UW-14 Openings, head and shell, computation of, L-7 not requiring additional reinforcement, UG-36 reinforced, size, UG-36, UHT-18 reinforcement for adjacent openings, UG-42 reinforcement of, UG-37, UHT-18 requiring additional reinforcement, UG-36 shapes permissible, UG-36 unreinforced, size, UG-36 Outlets, discharge, pressure relieving devices, UG-134 Out-of-roundness, UG-80, UG-81, UF-27 Overpressure limit for vessels, UG-125 certification, UG-93 clad vessels, UCL-10 combination of, UG-18, UHT-40 ferritic steel vessels with tensile properties enhanced by heat treatment, UHT-5 forged vessels, UF-5 forgings, UG-6 for nonpressure parts, UG-5 heat treatment of, UG-85, UCS-85, UHT-80 high alloy steel vessels, UHA-11 inspection of, UG-93, UG-95 nonferrous vessels, UNF-5 pipe and tubes, UG-8 plate, UG-5 rods and bars, UCS-12 specification for, UG-4, UG-23, UCS-23, UNF-23, UHA-23, UCI-23, UCD-5, UHT-5, UHT-23 standard pressure, parts, UG-11 unidentified, UG-10 use of, over thickness listed in Section II, UG-5 welded vessels, UW-5 Measurement, dimensional, UG-96 of out-of-roundness of shells, UG-80 Metal temperature, determination, C-1 control of, App T Mill undertolerance, UG-16 Minimum thickness of plate, UG-16, UCS-16, UNF-16, UHA-20, UCL-20, UHT-16 Miscellaneous pressure parts, UG-11 Multichamber vessels, design, UG-19 Multiple safety valves, UG-134 Partial Data Report, Manufacturer’s, UG-120 Parts, miscellaneous, UG-11 Peening, UW-39 Pipe connections, openings for, UG-43 Pipe fittings, vessels built of, UG-44, UCS-9 Pipes and tubes, UG-8, UG-31, UCS-9, UNF-9 Pipe used for shells, UCS-27 Piping external to vessel, U-1 Plate, curvature, UB-33 measurement, dimensional check, UG-96 Plate edges, cutting, UG-76, UG-93, UW-31, UHT-83 exposed left unwelded, UG-76 inspection of, UG-95 Plates, alignment, UW-31, UHT-20 cover, UG-34 cutting, UG-76, UG-93, UW-31, UHT-83 forming, UG-79, UCS-79, UNF-77, UHT-79 heat treatment, UG-85 identification, UG-77, UG-94, UHT-86 impact test, UG-84, UHT-5, UHT-6, UHT-81 inspection, UG-93 to UG-95 laying out, UG-77 less than /4 in thickness, UG-77 markings, transfer after cutting, UG-77, UG-94 minimum thickness, UG-16, UCS-16, UNF-16, UHA-20, UCI-20, UHT-5, UHT-79 repair of defects, UG-78, UCI-78 specifications, UG-5, UCS-6, UNF-6, UHT-5 structural carbon steel, UCS-6 Plug welds, UW-17 Pneumatic test, pressure, UG-100 yielding, UG-100 Porosity, welded joints, UW-51, App Nameplates, UG-117, UG-118, UHT-115 New materials, UG-4, B-1 Noncircular vessels, App 13 examples, 13-16 ligament efficiency, 13-6 nomenclature, 13-5 obround design, 13-10, 13-11, 13-12 rectangular design, 13-7, 13-9 reinforcement, 13-8 Nonpressure parts, attachment of, UG-55, UHT-85 Notch ductility test, UHT-5 Nozzle openings, reinforced, UG-36, UHT-18 unreinforced, UG-36 vessels subjected to external pressure, UG-37 Nozzles, attachment of, to shell, UG-43, UHT-18 minimum thickness of neck, UG-45, UHT-18 (see also Connections) Nuts and washers, UG-13, UCS-11, UNF-13 Offset of edges of plates at joints, UW-33, UHT-20 Openings, adjacent to welds, UW-14 closure of, K-2 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS 741 Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION strength, UG-41 Relief devices, UG-125 to UG-134 (see also Pressure relieving devices; Safety and relief valves) Relief valves (see Safety and relief valves) Relieving capacity of safety valves, UG-132 Repairs, approval of defects in material, UG-78, UF-32, UF-46, UCI-78, UCD-78 defective brazing, UB-37 defects in forgings, UF-37 defects in welds, UW-38, UW-51, UW-52, UF-38, UHT-57 Responsibility of manufacturer, UG-90, UW-26 Retention of Records radiographs, UW-51 Manufacturer’s Data Reports, UG-120 Retests, forgings, UF-54 impact specimens, UG-84, UHT-6 joints, welded, UW-52 Rods, bars, and shapes, UG-14, UCS-12, UNF-14 Rolled parts, small, UG-11, UHT-6 Rupture disks, UG-125, UG-127, UG-129, UG-133, UG-134 Porosity charts, 4-1 Postweld heat treatment, connections for nozzles and attachments, UHT-56 cooling after, UW-40, UHT-56 furnace temperature, UW-40 inspection, UW-49 local, UW-40 requirements, UCS-56, UHT-56 temperature range, UHT-56 welded vessels, UW-10, UW-40, UHA-32, UCL-34, UHT-56 Postheat treatment, UHT-79, UHT-82 Preheating, App R Preparation of plates for welding, UW-31, UW-32 Pressure, design, UG-21 limits, U-1 (see also Working pressure, allowable) Pressure parts, miscellaneous, UG-11 Pressure relieving devices, discharge, UG-134 installation and operation, UG-134, M-4 to M-9 rupture disks, UG-127 setting, UG-133 Pressure vessels, exempted from inspection, U-1 Product form of specification, UG-15 Proof test, hydrostatic (see Hydrostatic proof test) Safety, safety relief, and pressure relief valves, adjustable blowdown, capacity, certification, UG-131, UG-132 capacity, conversion, 11-1 connection to vessels, UG-135 construction, UG-126 discharge pipe, UG-135 indirect operation, UG-126 installation, M-10 installation on vessels in service, UG-135 liquid relief, UG-128, UG-130 marking, UG-129 minimum requirements, UG-136 pressure setting, UG-134 protective devices, UG-125 to UG-134 for unfired steam boiler, UG-125 spring loaded, UG-126 springs, adjustment, UG-134 stop valves adjacent to, UG-135 test, UG-131 Scope, U-1 Sectioning, closing holes left by, K-2 etching plugs taken, K-1 examination by, UW-41 Service restrictions, UW-2, UB-3 Shapes, special, UG-19 Shell plates, forming ends of, UG-79 Shells, allowable working pressure, UG-27 computation of openings in, L-7 forming, UG-79, UCS-79, UNF-77, UHT-79 made from pipe, UCS-27 stiffening rings, UG-29, UG-30, UCS-29, UHT-29 to UHT-30 Qualification, of brazers, UB-43 of welders, UW-29 of welding procedure, UCL-40 to UCL-46 Quality Control System, U-2, App 10 Quenching and tempering, UHT-80 to UHT-82 Quick-actuating closures, UG-35 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Radiograph factor, UW-12 Radiographing, examination by, UW-11, UW-51, UHT-57 partial, UW-11, UW-12 quality factors, UW-11, UW-12 requirements, UCS-57, UHA-33, UCL-35, UHT-57 spot examination, UW-52 retests, UW-11, UW-52 thickness, mandatory minimum, UW-11, UCS-57 Radiographs, acceptance by inspector, UW-51, UW-52 gamma rays, radium capsule, UW-51 interpretation by standard procedure, UW-51, UW-52 rounded indications, App Reaming holes for screw stays, UG-83 Reducer sections, rules for, 1-5 Reinforcement, defined limits, UG-40 head and shell openings, UG-37, UG-39 large openings, UG-36, 1-7 multiple openings, UG-42 nozzle openings, UG-37 to UG-42, UHT-18 of openings in shells, computation of, L-7 openings subject to rapid pressure fluctuation, UG-36 742 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION cast iron, Table UCI-23 ferritic steels with tensile properties enhanced by heat treatment, Table UHT-23 high alloy steel, Table UHA-23 nonferrous metals, Table UNF-23 Stud bolt threads, UG-12 Studded connections, UG-43, UG-44 Supplementary design formulas, 1-1 to 1-7 Supports, design, UG-54, G-1, G-9 pressure vessels, UG-54, UG-82 temperature, free movement under, G-2 types of steel permissible for, UG-5 vessels subjected to external pressure, UG-29, UHT-29, G-1 Surface weld metal buildup, UW-42 thickness, UG-27, UG-28, UCS-28, UCD-28, UHT-27, UHT-79 transition section, UG-36, UHT-19 Sigma-phase formation, UHA-104 SI Units, conversion factors, App GG Skirts, length on heads, UG-32, UG-33, UW-13, UHT-19 support of vessels, G-5 Slag inclusions in welds, UW-51, UW-52 Special constructions, UG-19, UG-116, UG-120 Specifications for materials, UG-5, UG-23, UCS-23, UNF-23, UHA-23, UCI-23, UCD-5, UHT-5, UHT-23 Spherical sections of vessels, UG-32, UG-33 Spherical shells, thickness, UG-27, UHT-27 Spot examination of welded joints, UW-52 Springs for safety valves, UG-126, UG-133 Stamping, location of, UG-116 multipressure vessels, UG-19, UG-116 omission of, UHT-86 safety valve, UG-131 with Code Symbol, UG-116, UHT-115 Stamps, Certificate of Authorization, UG-116 low stress, UGT-86 not to be covered, M-3 to be visible on plates, UG-77, UHT-86 Static head, in setting safety valves, effect of, on limiting stresses, UG-98 Stayed surface, UG-47 Staying formed heads, UG-32 Stays and staybolts, adjacent to edges of staybolted surface, UG-49 allowable stress, UG-50 area supported, UG-47, UG-50 dimensions, UG-50 ends, UG-48, UW-19 location, UG-49 pitch, UG-47 screw, holes for, UG-83 upset for threading, UG-48 welded, UW-19 Steam generating vessels, unfired, U-1 Steel, carbon content, UCS-5 Stenciling plates for identification, UG-77 Stiffening rings, attachment to shell, UG-30, UF-5, UHT-30 for vessels under external pressure, UG-29, UG-30, UCS-29, UHT-28, UHT-29 Stiffness, support of large vessels for, UG-27, UG-28 Stop valves, adjacent to safety and relief valves, UG-134, M-5, M-6 Strength, of brazed joints, UB-10 Stress corrosion cracking, UHA-103 Stress values, attachment welds, UW-15 basis for establishing, P-1 carbon and low alloy steel, Table UCS-23 cast ductile iron, Table UCD-23 Tables, effective gasket width b, Table 2-5.2 gasket materials and contact facings, Table 2-5.1 maximum allowable efficiencies for arc and gas welded joints, Table UW-12 minimum number of pipe threads for connections, Table UG-43 molecular weights of gases and vapors, Table 11-1 of stress values, carbon and low alloy steel, Table UCS-23 cast ductile iron, Table UCD-23 cast iron, Table UCI-23 ferritic steels with tensile properties enhanced by heat treatment, Table UHT-23 high alloy steel, Table UHA-23 nonferrous metals, Table UNF-23.1 welded carbon low alloy pipe and tubes, Table UCS-27 of values, factor K, Table 1-4.1 factor M, Table 1-4.2 factor ⌬, Tables 1-5.1, 1-5.2 postweld heat treatment requirements, Table UCS-56, UHA-32, Table UHT-56 recommended temperature ranges for heat treatment, Table UHA-105 spherical radius factor K1, Table UG-37 Telltale holes, UG-25, UCL-25 in opening reinforcement, UW-15 Temperature, definitions, 3-1 design, UG-20 determination, C-1 free movement of vessel on supports, G-2 heat treatment, Tables UCS-56, UHT-56 limitations, of brazed vessels, UB-2 of cast ductile iron, UCD-3 of postweld heat treating, UW-40, UCS-56, UHA-32, UHT-56 metal, control of, App T operating or working, definitions, 3-1 zones of different, UG-20 Termination point of a vessel, U-1 Test coupons, UHT-81 743 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT 2010 SECTION VIII — DIVISION rounded indications, UW-51 sectioning, etch tests, K-1 spot examination, UW-52 staggered, longitudinal, UW-9 taper, plates of unequal thicknesses, UW-9 types, around openings, UW-15, UW-16, UHT-18 ultrasonic examination of, App 12 Welded reinforcement of nozzle opening, UW-15, UW-16 Welded stayed construction, UW-19 Welded vessels, holes in joint of, UW-14 inspection, UW-46 to UW-52 limitations on, UW-2 tests of, UG-99, UW-50 Welders and welding operators, identifying stamps, UW-29 records of, by manufacturers, UW-29 test of, qualification, UW-28, UW-29, UHT-82 Welding, cleaning of welded surfaces, UW-32 details, limitations, Fig UW-13 forged vessels, UF-32 materials, UG-9 materials having different coefficients of expansion, UHT-40 of attachment around openings, UW-15, UW-16 plate, fitting up joint, UW-31 plate edges, matching, UW-31 preparation of plates, UW-31, UW-32 procedure qualification, UW-28, UCL-40 to UCL-46, UHT-82 processes, UW-27, 3-1 test requirements, UW-46 to UW-52, UHT-82 Weld metal composition, UHA-42, UCL-32, UHT-82 Welds, acceptability, when radiographed, UW-51, UW-52 when sectioned, UW-51 fillet, UW-18, UW-36, UCL-46 finish, UHT-84 identification of, UW-37 plug, UW-17 reinforcement, butt welds, UW-35, UHT-84 repairs of defects in, UW-38, UF-38, UF-46, UHT-85 sharp angles, avoid, at weld edges, UW-35 structural, UHT-85 tack, UW-31 temporary, UHT-85 types, description, 3-1 ultrasonic examination of, UW-11, UW-53, App 12 Working pressure, allowable, braced and stayed surfaces, UG-47 by proof test, U-2, UG-101, UCI-101 definition of, UG-98, 3-1 Test gages, requirements, UG-102 Test plates, heat treatment, UG-84 impact tests, UG-84, UHA-51 production, UNF-95 Tests, hydrostatic proof, UG-101, UCI-101, UCD-101 pneumatic (see Pneumatic test) vessels whose strength cannot be calculated, U-2, UG-101, UCI-101 Thermal buffers, UHT-81 Thermocouples, attachment, C-1 Thickness gages, details, UW-51 Thick shells, cylindrical, 1-2 spherical, 1-3 Thin plates, marking, UG-77, UHT-86 Threaded connection, UG-43 Threaded inspection openings, UG-46 Threads, stud bolts, UG-12 Tolerances, forged shells and heads, UF-27, UF-29 heads and shells, UG-80, UG-81 Toriconical heads, UG-32, UG-33 Torispherical heads, UG-32, UG-33, 1-4 Transferring markings on plates, UG-77 Transition in cylindrical shell, UG-36 Trays and baffles, acting as partial shell stiffeners, UG-29 Tubes and pipe, UG-8, UG-31, UCS-9 Tube-to-tubesheet joints, App A Ultrasonic examination of welds, UW-53, App 12 UM vessels, U-1 Unfired steam boiler, U-1 Unidentified materials, UG-10 Valves, connections, UG-44 safety and relief (see Safety and relief valves) Valves and fittings, marking, UG-11 Verification tests, heat treatment, UHT-81 Volume exemption, U-1 Weld deposits cleaning, UW-32 peening, UW-39 Welded joints, category, UW-3, UHT-17 description of types, 3-1 efficiency, UW-12 impact test, across, UCS-66, UHT-81 postweld heat treating, UW-10, UW-40, UCS-56, UNF-56, UHA-32, UCL-34, UHT-56 radiographic examination, complete, UW-51, UHT-57 radiographing requirements, UW-11, UCS-57, UHA-33, UCL-35, UHT-57 744 `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT INTENTIONALLY LEFT BLANK `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT Boiler and 2010 ASME Pressure Vessel Code AN INTERNATIONAL CODE `,``,`,,`,`,,```,,`,,`,`,,,``,-`-`,,`,,`,`,,` - The ASME Boiler and Pressure Vessel Code (BPVC) is “An International Historic Mechanical Engineering Landmark,” widely recognized as a model for codes and standards worldwide Its development process remains open and transparent throughout, yielding “living documents” that have improved public safety and facilitated trade across global markets and jurisdictions for nearly a century ASME also provides BPVC users with integrated suites of related offerings: • referenced standards • training courses • related standards and guidelines • ASME press books and journals • conformity assessment programs • conferences and proceedings You gain unrivalled insight direct from the BPVC source, along with the professional quality and real-world solutions you have come to expect from ASME For additional information and to order: Phone: 1.800.843.2763 Email: infocentral@asme.org Website: go.asme.org/bpvc10 X00081 Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHS Licensee=Lloyds Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21/2010 05:52:34 MDT ... Resale, 07/21 /2010 05:52:34 MDT A N I N T E R N AT I O N A L CO D E 2010 ASME Boiler & Pressure Vessel Code 2010 Edition July 1, 2010 VIII Division RULES FOR CONSTRUCTION OF PRESSURE VESSELS ASME Boiler... Components Subsection NCA — General Requirements for Division and Division Division Subsection NB — Class Components Subsection NC — Class Components Subsection ND — Class Components Subsection NE... Register Group Services/5975710001, User=Luo, Wu Not for Resale, 07/21 /2010 05:52:34 MDT 2010 ASME BOILER AND PRESSURE VESSEL CODE SECTIONS I Rules for Construction of Power Boilers II Materials Part