BRITISH STANDARD AEROSPACE SERIES BS 2B 30 2001 Incorporating Corrigendum No 1 Copper beryllium alloy strip, foil and parts (solution treated, cold rolled half hard and precipitation treated) ICS 49 0[.]
BRITISH STANDARD AEROSPACE SERIES BS 2B 30:2001 Inco rp orating Co rrigendum No Copper-beryllium alloy strip, foil and parts (solution treated, cold rolled: half hard and precipitation treated) IC S 49 ; 49 03 óóÀÀơ óÀóÀơ Àơ ụ ụ ụ úúú íĐđÃạáơ ịđÃơÃ-á ơẳđẳ- ì-ơÃơôơà éđêÃẳằẳ ắĐ ìỉ ôẳằđ Ãẵằ-ằ âÃơá ịì ề đằđẳôẵơà đ ằơâđàÃạ ằđÃơơằẳ âÃơáôơ Ãẵằ-ằ đ ì ỉ ềơ đ ẻằ-ằ BS 2B 30:2001 Committees responsible for this British Standard The p re parat ion of this British Standard w as e ntrust ed t o Te chnic al C o m mitte e AC E /1 , Wro ught and c ast c opp e r allo ys and misce llane ous metallic mate rials for ae ro space , upo n w hich the fo llo w ing bo dies w ere repres ente d: Britis h No n- Ferro us M etals Fede ration C o p per D e ve lo p me nt Asso ciat io n Minis try of D e fence óóÀÀơ óÀóÀơ ô Àô ô Àô Àô ô Àóóó So c ie ty of B rit is h Aero space C om p anies Lt d This B rit is h St anda rd, ving be e n pr ep are d unde r th e direct ion o f the E nginee ring S ecto r Policy a nd S tra te gy C om m itte e, wa s p ub lis he d un de r the a utho rity o f the S tan dards Polic y and S trate gy Co m m itte e o n D e ce m b e r 001 © BS I O cto b e r 00 Amendments issued since publication First Pub lis hed J une 99 S eco nd e ditio n D e ce mb er 001 The fo llo wing BS I re fere nces Amd No D ate C o m me nt 39 O ct ob e r 00 C hange to Co rrigendu m No line re la te to the wo rk o n th is B ritish S tan da rd Co m m itte e re fe ren ce ACE /1 D r aft fo r c o mm e nt 00 /70 55 D C ISBN 580 33324 íĐđÃạáơ ịđÃơÃ-á ơẳđẳ- ì-ơÃơôơà éđêÃẳằẳ ắĐ ìỉ ôẳằđ Ãẵằ-ằ âÃơá ịì ề đằđẳôẵơà đ ằơâđàÃạ ằđÃơơằẳ âÃơáôơ Ãẵằ-ằ đ ì ỉ ềơ đ ẻằ-ằ Use co nditio n in Tab le , BS 2B 30:2001 Contents Page Committees resp onsible Inside front cover Foreword ii Scope Normative references Technical requirements Table Technical requirements for Cu- Be alloy s trip, foil and parts (solution treated, cold rolled: half hard and precipitation treated) Bibliography óóÀÀô ô óÀóÀô ô Àô ô Àô Àô ô Àóóó â íĐđÃạáơ ịđÃơÃ-á ơẳđẳ- ì-ơÃơôơà BSI October 00 éđêÃẳằẳ ắĐ ìỉ ôẳằđ Ãẵằ-ằ âÃơá ịì ề đằđẳôẵơà đ ằơâđàÃạ ằđÃơơằẳ âÃơáôơ Ãẵằ-ằ đ ì ỉ i ềơ đ ẻằ-ằ BS 2B 30:2001 Fore wo rd This Brit ish St andard has be en p re p are d b y Tec hnical C o mmitte e AC E /1 It s upe rse de s BS B 0: 9 , w hich is w ithdrawn This ne w edit io n inco rp orate s te chnical change s o nly It doe s not re p res e nt a full re vie w o r re vis ion o f the s tandard, w hich w ill b e unde rtak en in due co urs e The fo llo w ing change s have b ee n included in this edit ion o f t he standard A ne w s ubc lause has be e n added, sp ecifying the requirem e nts for parts ; in Table , line , the que nching det ails have be en mo difie d and in T ab le , line 9, k has b ee n s pe cified WARNING T his British S tandard calls for the use of sub s tance s and/o r p roc e dure s that may b e inj urious to he alth if adequate pre cautio ns are no t take n I t re fers o nly to te c hnical suit ab ility and e s not ab so lve the use r from le gal ob ligatio ns re lating to healt h and s afe ty at any stage This p ublic ation es not p urp ort to inc lude all the nec es sary provisions of a co ntrac t Us ers are re spo nsib le fo r its c orrec t app licatio n C o mp liance w i th a B ri tish S tandar d does not of its elf confer i mmu nity fro m legal o b ligati on s óóÀÀơ óÀóÀơ Àơ Àơ Àơ Àóóó S ummar y of p ages This doc ume nt co mp rises a fro nt co ver, an ins ide fro nt co ver, pages i to ii, p age s t o and a back c ove r The BS I c opyright no tice dis played in this docume nt indicate s whe n the document w as last iss ue d ii ịđÃơÃ-á ơẳđẳ- ì-ơÃơôơà íĐđÃạáơ éđêÃẳằẳ ắĐ ìỉ ôẳằđ Ãẵằ-ằ âÃơá ịì ề đằđẳôẵơà đ ằơâđàÃạ ằđÃơơằẳ âÃơáôơ Ãẵằ-ằ đ ì ỉ â ềơ đ ẻằ-ằ BS I O c to b e r 02 BS B 30:2 001 óóÀÀơ óÀóÀơ Àơ Àơ Àơ Àóóó S co pe This Brit is h S tandard s pec ifies the ins pe c tio n and te sting pro ce dures, c hem ic al c o mp o sitio n, heat treat me nt and mec hanical p ro p ert ie s fo r a prec ipitatio n hardening co p per- be ryllium allo y sup plied in the fo rm of strip and fo il The m aterial is sup plied in the so lution treate d and co ld rolle d co ndit ion fo r p re cip itatio n tre atment afte r co nve rsion int o p arts Normati ve re fe re nce s The fo llow ing norma tive doc uments c ontain p ro visions which, thro ugh re fere nc e in this t ext, c onstitute p ro visio ns o f this British Standard Fo r date d referenc es , any s ub seque nt am en dm ent s to , o r re vis ions of, any o f the se p ublic ations no t ap ply Fo r undate d re fere nces , the late st e ditio n of the pub licatio n referre d to applies BS 55 55 , Sp eci ficatio n for SI units and reco mm e ndatio ns for the us e of their m ultip les and o f ce rtain other units BS 57 75 - , Spe cificati on for quantitie s, units and sy mb o ls Part 0: Gene ral p rinci ple s BS B 0 , Pro ce dure fo r ins pect io n, tes ti ng and acce ptance o f w ro ught c op per allo ys BS E N 65 , Co pp er and c o ppe r all oys Strip fo r s prings and co nne cto rs Te ch nical re quire me nts Mate rial to this standard shall co nform t o the t e chnical requirem ents s pe c ifie d in Tab le All mate rial supp lied shall c onfo rm to t he re quirem e nts app ro priate to its dime ns io ns and conditio n as s p e cified in the standards given in line s and 96 o f Tab le S ymb o ls and unit s us ed in Tab le s hall b e inte rp ret ed in ac co rdance wit h BS 55 5 and BS 75 - NO TE The fo rma t o f Ta b le a nd the s ym b o ls u se d in this ta b le are de rive d fro m p rE N 45 00- : 96 3 Fo r the p urp ose s o f this s tandard, a b atc h is de fine d as mat erial of the s am e nominal c ro ss - s e ctional dim ensions, from the s am e c ast, manufact ured by t he sam e ro ute and he at t rea ted toge the r Parts shall b e sup plied in the so lut ion tre ate d, co ld rolle d and p re cip itation treate d c onditio n © íĐđÃạáơ ịđÃơÃ-á ơẳđẳ- ì-ơÃơôơà BS I O cto b e r 00 éđêÃẳằẳ ắĐ ìỉ ôẳằđ Ãẵằ-ằ âÃơá ịì ề đằđẳôẵơà đ ằơâđàÃạ ằđÃơơằẳ âÃơáôơ Ãẵằ-ằ đ ì ỉ ềơ đ ẻằ-ằ BS 2B 30:2001 Table Technical requirements for C u-Be alloy strip, foil and parts (solution treated, cold rolled: half hard and precipitation treated) Material designatio n C hemical composition % Methods of melting 4.1 Form 4.2 Method of production 4.3 Limit dimensions Technical specificatio n 6.1 Element max mm D elivery condition D elivery condition code Use condition Test sample(s) Test piece(s) 8.3 H eat treatment D imensions concerned 10 Thickness of cladding on e ach face 11 D irection of test piece 12 Temp erature 13 14 Proof stress Tensile Strength 15 Elongation 16 Reduction of area 18 19 20 óóÀÀơ óÀóÀơ ô Àô ô Àô Àô ô Àóóó 17 H ardness S hear stre ngth Bending 21 Time Stress 24 Rc k Temp erature 23 Creep Elo ngation 25 Rupture stre ss 26 Elo ngation at rupture 96 D imensional standard 98 Notes mm % C Rp0.2 MPa MPa Rm A % Z % I mpact strength 22 Others Cu 0.20 0.20 0.50 Base Characteristics 8.2 Si Solution treated, cold rolled and precipitation treated Delivery condition 330 C/t = 2h/AC + 315 C He at treatment 8.1 Al Strip, foil and parts Rolling 0.10 a 3.0 BS B 100 Solution treated and cold rolled ( H) 760 C 835 C/Quench + cold rolled (1) He at treatment 6.2 CuBe1.9 Be Co + Ni Ni + Co + Fe 1.80 0.20 2.00 0.6 a a R A See BS B 100 See BS B 100 Delivery condition Use condition L T Ambient temperature 590 Rm 690 180 HV 225 MPa 0.5 (a = 90 (2 L 1130 1270 Rm 1480 370 HV 430 1.0 (a = 90 C h MPa % MPa % BS EN 1654, class A (1) Quenching shall be effected by forced air, sprayed water or immersion in oil or water (2) k is calculated from: k = ar where r = bending radius and a = thickness - íĐđÃạáơ ịđÃơÃ-á ơẳđẳ- ì-ơÃơôơà éđêÃẳằẳ ắĐ ìỉ ôẳằđ Ãẵằ-ằ âÃơá ịì ề đằđẳôẵơà đ ằơâđàÃạ ằđÃơơằẳ âÃơáôơ Ãẵằ-ằ đ ì ỉ â BSI October 2002 ềơ đ λ-¿´» BS 2B 30:2001 Bibliography Standards publications Rules for drafting and presentation of material standards Part 1: General rules óó À À ơ ó À ó À ô ô À ô ô À ô À ô ô À ó ó ó p rE N 45 00 - : 9 6, â íĐđÃạáơ ịđÃơÃ-á ơẳđẳ- ì-ơÃơôơà BS I O cto b e r 00 éđêÃẳằẳ ắĐ ìỉ ôẳằđ Ãẵằ-ằ âÃơá ịì ề đằđẳôẵơà đ ằơâđàÃạ ằđÃơơằẳ âÃơáôơ Ãẵằ-ằ đ ì ỉ ềơ đ ẻằ-ằ BS 2B 30:2001 BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions It is the constant aim of BSI to improve the quality of our products and services We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover Tel: +44 (0)20 8996 9000 Fax: +44 (0)20 8996 7400 BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001 Email: orders@bsi-global.com Standards are also available from the BSI website at http://www.bsi-global.com In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service Various BSI electronic information services are also available which give details on all its products and services Contact the Information Centre Tel: +44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: info@bsi-global.com Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards For details of these and other benefits contact Membership Administration Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: membership@bsi-global.com Information regarding online access to British Standards via British Standards Online can be found at http://www.bsi-global.com/bsonline Further information about BSI is available on the BSI website at http://www.bsi-global.com Copyright BSI 389 Chiswick High Road London W4 4AL Copyright subsists in all BSI publications BSI also holds the copyright, in the UK, of the publications of the international standardization bodies Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained Details and advice can be obtained from the Copyright & Licensing Manager Tel: +44 (0)20 8996 7070 Fax: +44 (0)20 8996 7553 Email: copyright@bsi-global.com óóÀÀơ óÀóÀơ Àơ ụ ụ ụ úúú íĐđÃạáơ ịđÃơÃ-á ơẳđẳ- ì-ơÃơôơà éđêÃẳằẳ ắĐ ìỉ ôẳằđ Ãẵằ-ằ âÃơá ịì ề đằđẳôẵơà đ ằơâđàÃạ ằđÃơơằẳ âÃơáôơ Ãẵằ-ằ đ ì ỉ ềơ đ ẻằ-ằ