BRITISH STANDARD BS B 23 1991 Specification for Copper aluminium nickel iron alloy rods, sections, forging stock and forgings L ic e n s e d C o p y L o n d o n S o u th B a n k U n iv e rs it y , L o[.]
Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BRITIS H S TAND ARD S pecification for C op per-aluminium- nickel-iron alloy rods, sections, forging stock and forgings BS B : 991 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS B 23:1991 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Aerospace Standards Policy Committee (ACE/- ) to Technical Committee ACE/1 6, upon which the following bodies were represented: British Non- ferrous Metals Federation Copper Development Association Ministry of Defence Society of British Aerospace Companies Ltd This British Standard, having been prepared under the direction of the Aerospace Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 31 October 991 © BSI 07- 999 The following BSI references relate to the work on this standard: Committee reference ACE/1 Draft for comment 90/73952 DC ISBN 580 19991 Amendments issued since publication Amd No Date Comments Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS B 23:1991 Contents Page C ommittees res p ons ib le I ns ide front cover Foreword ii S cop e References Technical requirements Tab le — Technical requirements for C u- Al- Ni- Fe alloys b ars , rods and sections Tab le — Technical requirements for C u- Al- Ni- Fe alloy forging stock and forgings © BS I 7- 99 i Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS B : 991 Foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is a conversion and revision of MoD (PE) Specification DTD 97A, which it supersedes A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application C omp liance with a British S tand ard d oes no t of itself confe r immunity from legal ob ligatio ns S ummary of p age s This document comprises a front cover, an inside front cover, pages i and ii, pages to and a back cover This standard has been updated (see copyright date) and may have had amendments incorporated This will be indicated in the amendment table on the inside front cover ii © BSI 07- 999 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS B : 991 S cop e This British Standard specifies the inspection and testing procedures, chemical composition, heat BS 5775, Specification for quantities, units and symbols BS 5775- 0, General principles copper- aluminium- nickel- iron alloy supplied in the Instructions for the drafting and use of metallic material standards form of rods (bars), sections, forging stock and BS EN 2500- , treatment and mechanical properties for a BS EN 2500, forgings General requirements ) Te chnical re quireme nts Re fe re nce s 3.1 This standard makes reference to the following Material to this standard shall comply with the technical requirements specified in Table for bars, standards publications: rods and sections and Table for forging stock and Procedure for inspection, testing and acceptance of wrought copper alloys ) forgings All material supplied shall comply with Specification for copper and copper alloy forging stock and forgings condition as specified in the standards given in Specification for copper and copper alloy rods and sections (other than forging stock) 3.2 BS B 00, BS 2872, BS 2874, Specification for SI units and recommendations for the use of their multiples and of certain other units BS 5555, 1) the requirements appropriate to its dimensions and line of Table or Table Symbols and units in Table and Table shall be interpreted in accordance with BS 5555, BS 5775- or BS EN 2500- In preparation © BSI 07- 999 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS B 23:1 991 Table — Technical requirements for Cu-Al-Ni-Fe alloys bars, rods and sections Material designation Chemical composition A1 Ni Fe Sn Pb Mn Si Zn max 8.5 11.0 4.0 5.5 4.0 5.5 — 0.10 — 0.05 — 0.50 — 0.2 — 0.40 Form Limit dimensions (mm) Sections and of BS B 100 BS 2874(1) As manufactured 5.1 Technical specification 5.2 Dimensional standard 6.1 Delivery condition and At the option of the manufacturer — Delivery condition heat treatment 6.2 Delivery condition code Use condition and — heat treatment Characteristics Delivery condition Sampling Test piece Heat treatment 10 Dimensions concerned Thickness of cladding on each face 11 Direction of sample 12 Temperature 13 Proof stress 14 Strength Tensile 15 Elongation 16 Reduction of area 17 Hardness 18 Shear Strength 19 Bending 20 Impact strength 21 Temperature 22 Time 23 Stress 24 Elongation Creep 25 Rupture stress 26 Elongation at rupture 97 Designation 98 Notes Total Cu impurities — Base 0.5 (excluding Mn) — Bars, rods, and sections Extruded and/or rolled, extruded and drawn, rolled and drawn or forged Method of melting Method of production CuAl1 0Ni5Fe4 % Element mm % C Rp0.2 MPa MPa Rm A % Z % Ú ° u (a or D) u 18 — 18 < (a or D) u 80 (a or D) > 80 L Ambient temperature W 400 W 700 W 10 — L L W 370 W 650 W 12 W 320 W 650 W 12 ÖR 188 u HV u 268 (179 u HB u 255) MPa — — — °C — h — MPa — % — MPa — A % Rc k Ú Öa a — B 23 A 1) Material group III tolerances shall apply For round rods, normal tolerances shall apply unless close tolerances are specified on the order NOTE The dimensional tolerances for rods larger than the size ranges given in BS 2874 should be agreed between the supplier and the purchaser © BSI 07-1999 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS B 23:1 991 Table — Technical requirements for C u-Al-Ni-Fe alloy forging stock and forgings Material designation Chemical composition A1 Ni Fe Sn Pb Mn Si Zn max 8.5 11.0 4.0 5.5 4.0 5.5 — 0.10 — 0.05 — 0.50 — 0.2 — 0.40 — Forging stock Forging Extruded and/or rolled, extruded and drawn, forged or cast Method of melting Form Method of production Limit dimensions (mm) Sections and of BS B 100 BS 2872(1) As manufactured Technical specification Dimensional standard 6.1 Delivery condition and 6.2 Delivery condition code Use condition and C haracteristics Forged test sample Sampling Test piece Heat treatment 10 Dimensions concerned Thickness of cladding on each face 11 Direction of sample 12 Temperature 13 Proof stress 14 Tensile Strength 15 Elongation 16 Reduction of area 17 Hardness 18 Shear Strength 19 Bending 20 Impact strength 21 Temperature 22 Time 23 Stress 24 Elongation C reep 25 Rupture stress 26 Elongation at rupture 27 NOTES © BSI 07-1999 Sections and of BS B 100 Section of BS B 100 — heat treatment Total Cu impurities — Base 0.5 (excluding Mn) At the option of the manufacturer — Delivery condition heat treatment C uAl1 0Ni5 Fe4 % Element mm % C Rp0.2 MPa MPa Rm A % Z % Ú Rc k Ú Öa a ÖR A ° — — L Ambient temperature W 350 W 700 W 14 — L — 188 u HV u 268 (179 u HB u 255) MPa — — — °C — h — MPa — % — MPa — % Forging — (See line 98) Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS B 23:1 991 Table — Technical requirements for Cu-Al-Ni-Fe alloy forging stock and forgings Material designation Chemical composition Method of melting Form Method of production Limit dimensions 58 Forgeability 97 Designation 98 Notes (mm) C uAl1 0Ni5 Fe4 % Element A1 Ni Fe Sn Pb Mn Si Zn max 8.5 11.0 4.0 5.5 4.0 5.5 — 0.10 — 0.05 — 0.50 — 0.2 — 0.40 — Forging stock Forging Extruded and/or rolled, extruded and drawn, forged or cast Total Cu impurities — Base 0.5 (excluding Mn) The test piece shall, when heated to 900 °C u Ú u 950 °C, withstand compression to 20 % of its original length B 23 B B 23 C 1) The diameters of round forging stock shall be those applicable to alloy group B of BS 2872 NOTE The dimensional tolerances to be applied to round forging stock outside the range given in BS 2872 and to forging stock of other shapes should be agreed between the supplier and the purchaser © BSI 07-1999 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 03: 04: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI blank Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i 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