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đặc điểm kỹ thuật này bao gồm tia laser hàn, đen, ống thép cuối đồng bằng để sử dụng trong vận chuyển chất lỏng dưới sức ép. Ống trong các kích cỡ NPS 126, toàn diện, với danh nghĩa tường dày 0,750 trong. 19,1 mm hoặc ít hơn, như được đưa ra trong Bảng 1, được bao gồm. Ống có kích thước khác, trong phạm vi kích thước này, có thể được trang bị cung cấp ống như tuân thủ tất cả khác các yêu cầu của quy chuẩn này. 1.2 Dự định rằng các đường ống có khả năng được circumferentially hàn trong lĩnh vực này khi hàn thủ tục trong phù hợp với các yêu cầu của các đường ống dẫn áp dụng mã xây dựng được sử dụng. 1.3 Các giá trị ghi trong đơn vị đều inch pound hoặc trong SI đơn vị này được coi như là tiêu chuẩn riêng. Trong văn bản, các đơn vị SI được hiển thị trong dấu ngoặc đơn. Các giá trị trong mỗi hệ thống là tương đương không chính xác: do đó, mỗi hệ thống được sử dụng độc lập nhau, mà không cần kết hợp các giá trị trong bất kỳ đường. 1.4 Các tuyên bố pháp phòng ngừa sau đây gắn liền với phần phương pháp thử nghiệm, mục 14, các đặc điểm kỹ thuật này. Điều này Tiêu chuẩn này không nhằm mục đích giải quyết tất cả các vấn đề an toàn, nếu có, kết hợp với việc sử dụng nó. Đây là trách nhiệm của người sử dụng của tiêu chuẩn này để thiết lập an toàn và sức khỏe phù hợp thực hành và xác định khả năng áp dụng các giới hạn quy định trước khi sử dụng.
Designation: A 1006/A 1006M – 00 Standard Specification for Steel Line Pipe, Black, Plain End, Laser Beam Welded1 This standard is issued under the fixed designation A 1006/A 1006M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision A number in parentheses indicates the year of last reapproval A superscript epsilon (e) indicates an editorial change since the last revision or reapproval TABLE Dimensions and Weight [Mass] Per Unit Length Scope 1.1 This specification covers laser beam welded, black, plain end steel pipe for use in the conveyance of fluids under pressure Pipe in sizes NPS to 26, inclusive, with nominal wall thickness 0.750 in [19.1 mm] or less, as given in Table 1, is included Pipe having other dimensions, in this size range, may be furnished provided such pipe complies with all other requirements of this specification 1.2 It is intended that the pipe be capable of being circumferentially welded in the field when welding procedures in accordance with the requirements of the applicable pipeline construction code are used 1.3 The values stated in either inch-pound units or in SI units are to be regarded separately as standard Within the text, the SI units are shown in brackets The values in each system are not exact equivalents: therefore, each system is to be used independently of the other, without combining values in any way 1.4 The following precautionary statement pertains to the test method portion, Section 14, of this specification This standard does not purport to address all of the safety concerns, if any, associated with its use It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use NOTE 1—Pipe having an outside diameter and/or wall thickness intermediate to those listed in this table are also permitted NPS Designator Referenced Documents 2.1 ASTM Standards: A 370 Test Methods and Definitions for Mechanical Testing of Steel Products2 A 530/A 530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe2 A 450/A 450M Specification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes2 A 751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products3 A 941 Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys2 Outside Diameter Wall Thickness in mm in mm 0.133 0.358 0.140 0.382 0.145 0.400 0.083 0.436 0.083 0.552 0.083 0.600 0.083 0.318 0.083 0.674 0.083 0.750 0.083 0.750 0.125 0.750 0.156 0.750 0.172 0.750 0.188 0.750 0.188 0.750 0.188 0.750 0.219 0.750 0.219 0.750 0.250 0.750 0.250 0.750 3.4 9.1 3.6 9.7 3.7 10.2 2.1 11.1 2.1 14.0 2.1 15.2 2.1 8.1 2.1 17.1 2.1 19.1 2.1 19.1 3.2 19.1 4.0 19.1 4.4 19.1 4.8 19.1 4.8 19.1 4.8 19.1 5.6 19.1 5.6 19.1 6.4 19.1 6.4 19.1 1.315 33.4 14 1⁄ 1.660 42.2 11⁄2 1.900 48.3 2.375 60.3 21⁄2 2.875 73.0 3.500 88.9 31⁄2 4.000 101.6 4.500 114.3 5.563 141.3 6.625 168.3 8.625 219.1 10 10.750 273.1 12 12.750 323.9 14 14.000 355.6 16 16.000 406.7 18 18.000 457 20 20.000 508 22 22.000 559 24 24.000 610 26 26.000 660 Weight [Mass] per Unit Length lb/ft kg/m 1.68 3.66 2.27 5.22 2.72 6.41 2.03 9.04 2.48 13.71 3.03 18.60 3.48 12.52 3.92 27.57 4.86 38.59 5.80 47.10 11.36 63.14 17.67 80.18 23.13 96.21 27.76 106.23 31.78 122.27 35.80 138.30 46.31 154.34 50.99 170.37 63.47 186.41 68.82 202.44 2.52 4.55 3.43 7.77 4.07 9.58 3.01 13.47 3.67 20.37 4.50 27.63 5.15 18.68 5.81 40.99 7.21 57.56 8.61 70.27 17.04 94.20 26.54 119.64 34.67 143.56 41.52 158.49 47.54 182.42 53.53 206.25 69.38 230.27 76.42 254.30 95.26 278.32 103.15 301.87 2.2 API Publication: API RP 5L3 Recommended Practice for Conducting DropWeight Tear Tests on Line Pipe4 This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.09 on Carbon Steel Tubular Products Current edition approved Jan 10, 2000 Published May 2000 Annual Book of ASTM Standards, Vol 01.01 Annual Book of ASTM Standards, Vol 01.02 Available from American Petroleum Institute, 1220 L Street, N.W., Washington, DC 20005-4070 Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States A 1006/A 1006M 6.2 The internal and external weld protrusion resulting from the welding process shall be removed, in accordance with the requirements of 18.1 and 18.2 6.3 The weld seam and its heat affected zone shall receive either a normalizing heat treatment or a continuous in-line heat treatment in such a manner that no untempered martensite remains Complete penetration and coverage of the weld and the weld heat affected zone by this heat treatment shall be confirmed by periodic metallographic examination of weld area cross-section specimens at least once per working shift 2.3 ASME Standard: ASME Boiler and Pressure Vessel Code, Section IX, Welding and Brazing Qualifications5 Terminology 3.1 Definitions of Terms Specific to This Standard: 3.1.1 laser beam welding, n—a welding process that utilizes a laser beam to produce melting of full thickness of edges to be welded, followed by the fusion of those edges 3.1.2 specified outside diameter, n—the outside diameter shown in the purchase order or in Table for the applicable NPS size 3.2 Definitions—For definitions of other terms used in this specification, refer to Terminology A 941 Chemical Composition 7.1 The steel shall contain no more than 0.22 % carbon, 0.015 % sulfur, and 0.025 % phosphorus, by heat and product analyses 7.2 The steel shall contain no more than 0.0007 % boron, by heat analysis 7.3 The carbon equivalent (CE) value for each heat shall not exceed 0.40 %, calculated using the product analyses and the following equation: TABLE Tensile Requirements Grade Yield Strength,A psi 35 50 60 70 80 A 35 50 60 70 80 000 000 000 000 000 MPa 240 345 415 485 550 Yield Strength,A max psi 65 77 80 87 97 000 000 000 000 000 MPa 450 530 550 600 670 Tensile Strength, psi 60 70 75 80 90 000 000 000 000 000 MPa 415 485 515 550 620 CE C F F Mn Si Cu Ni Cr Mo V Cb 24 15 20 G (1) where: F = a compliance factor that is dependent upon the carbon content, as shown below: Yield strength requirements are not applicable for transverse weld tests Carbon Content, % NPS 12 50 tons or fraction thereof 400 lengths 200 lengths 100 lengths 1 1 ft m Minimum Length Minimum Avg Length Maximum Length For Each Order Item ft m ft m ft m 20 40 50 60 80 12 13 18 24 9.0 14.0 17.5 21.0 28.0 2.74 4.27 5.33 6.40 8.53 17.5 35.0 43.8 52.5 70.0 5.33 10.67 13.35 16.0 21.34 22.5 45.0 55.0 65.0 85.0 6.86 13.72 16.76 19.81 25.91 A 1006/A 1006M TABLE Depth of Groove Tolerance Specified Wall Thickness (t), in [mm] Maximum Depth of Groove, in [mm] 0.150 [3.8] or less >0.150 [3.8] to < 0.300 [7.5] 0.300 [7.5] or greater 0.10t 0.015 [0.4] dent and a prolongation of the original contour of the pipe Cold formed dents deeper than 1⁄8 in [3.2 mm] shall be free of sharp-bottom gouges The gouges may be removed by grinding, provided that the remaining wall thickness is within specified limits The length of the dent in any direction shall not exceed one half the pipe diameter 0.05t 19 Certification 19.1 A certified test report shall be furnished testing device of appropriate accuracy In case of a dispute, the measurement determined by the use of a mechanical caliper shall govern 18.5 Repairs of the pipe body, by welding, are not permitted 18.6 Repair of the Weld—Defects in welds may be repaired only by agreement between the purchaser and the manufacturer; such repairs shall be in accordance with Specification A 530/A 530M, except that the repair depth shall not exceed 70 % of the specified wall thickness of the pipe and back-toback repairs are not permitted No repair of repair weld is permitted 18.7 Pipe smaller than NPS shall be reasonably straight For all other pipe, the measured deviation from a straight line shall not exceed 0.2 % of the length 18.8 The pipe shall contain no dents greater than 10 % of the specified outside diameter or 1⁄4 in [6.4 mm], whichever is smaller, measured as the gap between the lowest point of the 20 Package Marking 20.1 Each length of pipe shall be legibly marked by stenciling to show: specification number, the name or brand of the manufacturer, LBW, the grade, wall thickness, diameter, heat number, and the length, except as allowed in 20.2 The length shall be marked in feet and tenths of a foot, or metres to two decimal places, as applicable 20.2 For pipe NPS 11⁄2 and smaller that is bundled, the information in 20.1 may be marked on a tag that is securely fastened to each bundle 20.3 In addition to the requirements of 20.1 and 20.2, bar coding is acceptable as a supplementary identification method The purchaser may specify in the order a specific bar coding system to be used 21 Keywords 21.1 black steel pipe; laser beam welded; line pipe SUPPLEMENTARY REQUIREMENTS The following supplementary requirement shall apply only when specified in the purchase order S1.2 The temperature selected for conducting the dropweight tear test, the test frequency, and the criteria for acceptance shall be as specified in the purchase order S1 Drop-Weight Tear Testing S1.1 The drop-weight tear test shall be conducted in accordance with API RP 5L3 The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below This standard is copyrighted by ASTM, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above address or at 610-832-9585 (phone), 610-832-9555 (fax), or service@astm.org (e-mail); or through the ASTM website (www.astm.org)