1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsWB9423_BSI_StandardColCov_noK_AW:BSI FRONT COVERS 5/9/08 12:55 Page 1AEROSPACE SERIESSpecification for copperberyllium alloy strip and foil (solution treated and precipitation treate
2、d)BS 3B nullnullnullnullnullnullnullBS 3B 28:2009 BRITISH STANDARDPublisnullinnull and copyrinullnullt informationThe BSI copyright notice displayed in this docunullent indicates nullhen the docunullent nullas last issuednull null BSI 2009 ISBN 9null8 0 null80 null28null3 null InullS null9null02null
3、nullnullnull The nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence Anullnullnullnullnull Dranullt nullor conullnullent 09null30null8null20null DnullPublication nullistorynullirst punulllished Decenullnuller 200nullSecond nullpresentnull edit
4、ionnull Nonullenullnuller 2009Amendments issued since publicationnullate nullenullt affected BRITISH STANDARDnull BSI 2009 null iBS 3B 28:2009Contentsnullorenullord iinull Scope 1null Nornullatinulle renullerences 13 Technical renulluirenullents 1Binullliography 4nullist of tablesTanullle null null
5、Technical renulluirenullents nullor nullunullBe alloy strip and nulloil nullsolution treated and precipitation treatednull 2Summary of panullesThis docunullent conullprises a nullront conullernull an inside nullront conullernull pages i to iinull pages null to nullnull an inside nullacnull conuller
6、and a nullacnull conullernullBS 3B 28:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPublisnullinnull informationThis British Standard is punulllished nully BSI and canulle into enullnullect on 30 Nonullenullnuller 2009null It nullas prepared nully nullanel Anullnullnullnullnullnullnullnulln
7、ullnullnullCopper and miscellaneous alloysnull under the authority onull Technical nullonullnullittee Anullnullnullnullnullnull Metallic materials for aerospace purposesnull A list onull organinullations represented on this conullnullittee can nulle onulltained on renulluest to its secretarynullSupe
8、rsessionThis British Standard supersedes BS 2B 28:200nullnull nullhich is nullithdranullnnullInformation about tnullis documentThis is a nullull renullision onull BS 2B 28 and introduces the nullollonulling principal changes:anull renulluirenullents are stated in tanullular nullornullat in accordanc
9、e nullith nullN nullnull00nullnullnullnullnull renullerences to parts hanulle nulleen deletednullnullanullard nullarninnullsnullARnullInullnullnull This British Standard calls nullor the use onull sunullstances andnullor procedures that can nulle innullurious to health inull adenulluate precautions
10、are not tanullennull It renullers only to technical suitanullility and does not anullsolnulle the user nullronull legal onullligations relating to health and sanullety at any stagenullnullse of tnullis documentIt has nulleen assunulled in the preparation onull this British Standard that the enullecu
11、tion onull its pronullisions nullill nulle entrusted to appropriately nullualinulled and enullperienced peoplenull nullor nullhose use it has nulleen producednullPresentational connullentionsThe pronullisions onull this standard are presented in ronullan nullinullenull uprightnulltypenull Its renull
12、uirenullents are enullpressed either as a set onull instructions or in sentences in nullhich the principal aunulliliary nullernull is nullshallnullnullCommentary, explanation and general informative material is presented in smaller italic type, and does not constitute a normative element.Contractual
13、 and lenullal considerationsThis punulllication does not purport to include all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullCompliance nullitnull a Britisnull Standard cannot confer immunity from lenullal oblinullationsnullBRITISH ST
14、ANDARDnull BSI 2009 null nullBS 3B 28:2009null ScopeThis British Standard specinulles renulluirenullents nullor coppernullnullerylliunull alloy supplied in the nullornull onull strip and nulloilnullnull nullormatinulle referencesThe nullollonulling renullerenced docunullents are indispensanullle nul
15、lor the application onull this docunullentnull nullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced docunullent nullincluding any anullendnullentsnull appliesnullBS B null00null Procedure for inspection, testing
16、 and acceptance of wrought copper alloys BS nullN nullnullnullnullnull Copper and copper alloys Strip for springs and connectors3 nullecnullnical renulluirements3nullnull nullaterial to this standard shall connullornull to Tanullle nullnullnullnullnullnull nullhe format and symnullols used in nullan
17、ullle 1 are derived from nullnull 4nullnullnullnull1.3nullnull nullor the purposes onull this standardnull a nullatch shall nulle nullaterial onullthe sanulle nonullinal crossnullsectional dinullensionsnull nullronull the sanulle castnullnullanunullactured nully the sanulle route and heat treated to
18、gethernullBS 3B 28:20092 null null BSI 2009BRITISH STANDARDTanullle null nullecnullnical renulluirements for CuBe alloy strip and foil (solution treated and precipitation treated)null nullaterial desinullnation BS B nullnullnull Cnullemical composition nullnulllenullent Be nullo null Ni nullo null n
19、ulle null Ni Al Si nullthers nullunullinnull nullnull80 0null20 null null null nullBasenullanullnull 2null00 null 0nullnull 0null20 0null20 0nullnull03 nulletnullod of meltinnull nullnullnullnull nullorm Strip and nulloilnullnullnull nulletnullod of production Rollednullnull3 nullimit dimension(s) n
20、ullnull 0nullnull0 G a G 3null0null nullecnullnical specification Sections null and null onull BS B null00nullnullnull nullelinullery condition Solution treatednulleat treatment nullnull0 nullnull G h G 83null nullnull null nulluench nullnullnullnullnull nullelinullery condition code nullnull nullse
21、 condition Solution treated and precipitation treatednulleat treatment Delinullery condition null 3nullnull nullnull G h G 330 nullnull null t null 3 h null AnullCnullaracteristicsnullnullnull nullest sample(s) See Section null onull BS B null00nullnullnull nullest piece(s) See Section null onull BS
22、 B null00nullnull3 nulleat treatment Delinullery condition nullse conditionnull nullimensions concerned nullnull 0nullnull0 G a G 3null0 0nullnull0 G a G 3null0nullnull nullnullicnullness of claddinnull on eacnull facenull nullnullnull nullirection of test piece null T nullnullnullnullnullemperature
23、 h nullnull Anullnullient Anullnullient Anullnullientnull3 Proof stress Rp0null2nullnulla null null H 9null0nullnull Strennulltnull Rnullnullnulla nullnull0 G RnullG nullnull0 null null nullnull0 G RnullG null 3null0nullnull Elonnullation A null H 3null null H 3nullnull Reduction of areanull null nu
24、llnullnull nullardness 90 G Hnull G nullnull0 3null0 G Hnull G null00nullnull Snullear strennulltnull Rcnullnulla nullnullnull Bendinnull j null 0 null null 90nullnull 2null0 null null 90nullnull 2nullnullnullnullnull Impact strennulltnull nullnullnullCnullemperature h nullnull nullnullnull nullime
25、h nullnull3 Stress ranullnulla nullnullnull Elonnullation a null nullnullnull Rupture stress rRnullnulla nullnullnull Elonnullation at ruptureA null nullnullnull nullotes nullsee line 98nullnullnullnull 2nullBRITISH STANDARDnull BSI 2009 null 3BS 3B 28:2009Tanullle null nullecnullnical renulluiremen
26、ts for CuBe alloy strip and foil (solution treated and precipitation treated) nullcontinuednullnullnull Enullternal defects null See Section null onull BS B null00nullnull nullarnullinnull null See Section null onull BS B null00nullnull nullimensional inspection null BS nullN nullnullnullnull class
27、Anullnull nullotes nullnullnullnulluenching shall nulle enullnullected nully nullorced airnull sprayed nullater or inullnullersion in oil or nullaternull2nullA nullnullnull nullalue onull 0 indicates a nullending radius less than or enullual to 0nullnull nullnullnullBS 3B 28:2009null null null BSI 2
28、009BRITISH STANDARDBiblionullrapnullyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced docunullent nullincluding any anullendnullentsnull appliesnullnullN nullnull00nullnullnull Metallic
29、 materials nullules for the drafting and presentation of material standards Part 1null nulleneral rules nullnullnullnullnullunulllished as ASDnullSTAN nullrestandard at the date onull punulllication onullthis standardnullThis page deliberately left blankBSI is the independent national body responsib
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