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 copper-nickel-silicon alloy rods, bars, sections, forging stock and forgings (h
2、eat treated)nullS nullnull nullnullnullnullnullnullnullBS 3B 25:2009 BRITISH STANDARDPnullblishing and copyright infornullationThe BSI copyright notice displayed in this docunullent indicates nullhen the docunullent nullas last issuednull null BSI 2009 ISBN 9nullnull 0 5null0 null2nullnull0 5 InullS
3、 null9null025nullnull5 The nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence Anullnullnullnullnull Dranullt nullor conullnullent 09null30nullnullnullnull95 DnullPnullblication historynullirst punulllished nullctonuller null99nullSecond nullp
4、resentnull editionnull Nonullenullnuller 2009Anullendnullents issnulled since pnullblicationnullate nullenullt affected BRITISH STANDARDnull BSI 2009 null iBS 3B 25:2009Contentsnullorenullord iinull Scope 1null Nornullatinulle renullerences 1null Technical renulluirenullents 1Binullliography 6nullis
5、t of tablesTanullle null null Technical renulluirenullents nullor nullunullNinullSi alloy rodsnull nullars and sections nullheat treatednull 2Tanullle 2 null Technical renulluirenullents nullor nullunullNinullSi alloy nullorging stocnull and nullorgings nullheat treatednull 4Snullnullnullary of page
6、sThis docunullent conullprises a nullront conullernull an inside nullront conullernull pages i to iinull pages null to nullnull an inside nullacnull conuller and a nullacnull conullernullBS 3B 25:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPnullblishing infornullationThis British Standard
7、 is punulllished nully BSI and canulle into enullnullect on 30 Nonullenullnuller 2009null It nullas prepared nully nullanel AnullnullnullnullnullnullnullnullnullnullnullCopper and miscellaneous alloysnull under the authority onull Technical nullonullnullittee Anullnullnullnullnullnull Metallic mater
8、ials for aerospace purposesnull A list onull organinullations represented on this conullnullittee can nulle onulltained on renulluest to its secretarynullSnullpersessionThis British Standard supersedes BS 2B 25:200nullnull nullhich is nullithdranullnnullInfornullation abonullt this docnullnullentThi
9、s is a nullull renullision onull BS 2B 25null The principal change nullronull the prenullious edition is that renulluirenullents are stated in tanullular nullornullat in accordance nullith nullN null500nullnullnullnullanullard nullarningsnullARnullInullnullnull This British Standard calls nullor the
10、 use onull sunullstances andnullor procedures that can nulle innullurious to health inull adenulluate precautions 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 stagenullnu
11、llse of this docnullnullentIt has nulleen assunulled in the preparation onull this British Standard that the enullecution onull its pronullisions nullill nulle entrusted to appropriately nullualinulled and enullperienced peoplenull nullor nullhose use it has nulleen producednullPresentational connul
12、lentionsThe pronullisions onull this standard are presented in ronullan nullinullenull uprightnulltypenull Its renulluirenullents are enullpressed either as a set onull instructions or in sentences in nullhich the principal aunulliliary nullernull is nullshallnullnullCommentary, explanation and gene
13、ral informative material is presented in smaller italic type, and does not constitute a normative element.Contractnullal and legal considerationsThis punulllication does not purport to include all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applica
14、tionnullConullpliance nullith a nullritish Standard cannot confer inullnullnullnity fronulllegal obligationsnullBRITISH STANDARDnull BSI 2009 null nullBS 3B 25:2009null ScopeThis British Standard specinulles renulluirenullents nullor coppernullnicnullelnullsilicon alloy supplied in the nullollonulli
15、ng nullornulls:anull rodsnull nullars and sections: heat treatednull designation B 25Anullnullnull nullorging stocnull: as nullanunullacturednull designation B 25Bnullcnull nullorgings: heat treatednull designation B 25nullnullnull nullornullatinulle referencesThe nullollonulling renullerenced docun
16、ullents are indispensanullle nullor 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 P
17、rocedure for inspection, testing and acceptance of wrought copper alloys BS nullN null2nullnull3null Copper and copper alloys nullod for general purposesBS nullN null2nullnull5null Copper and copper alloys nullrought and unwrought forging stocnullnull nullechnical renullnullirenullentsnullaterial to
18、 this standard shall connullornull to Tanullle null or Tanullle 2nullnullnullnullnull nullhe format and symnullols used in nullanullle 1 and nullanullle 2 are derived from nullnull 4nullnullnullnull1.BS 3B 25:20092 null null BSI 2009BRITISH STANDARDTanullle null nullechnical renullnullirenullents fo
19、r Cnull-nulli-Si alloy rods, bars and sections (heat treated)null nullaterial designation nullS null nullnullnull Chenullical conullposition nullnulllenullent Ni Si Al nulle Total inullpurities nullunullinnull 2null0 0nullnull null null nullBasenullanullnull 3null5 0nullnull 0null02 0nullnull0 0null
20、30 nullnullnull nullethod of nullelting nullnullnullnull nullornull Rodsnull nullars and sections nullB 25Anullnullnullnull nullethod of prodnullction nullnulltruded andnullor rollednull enulltruded and dranullnnull rolled and dranulln or nullorgednullnullnull nullinullit dinullension(s) nullnull nu
21、llnull nullechnical specification Sections null and 2 onull BS B null00nullnullnull nullelinullery condition Heat treatednulleat treatnullent null00 nullnull G h G 900 nullnull null nullnull or nullnull null h H null50 nullnull null t H null h null Anullnullnullnull nullelinullery condition code nul
22、lnull nullse condition Delinullery conditionnulleat treatnullent nullCharacteristicsnullnullnull nullest sanullple(s) See Section 2 onull BS B null00nullnullnull nullest piece(s) See Section 2 onull BS B null00nullnullnull nulleat treatnullent nullse condition null nullinullensions concerned nullnul
23、l nullnullnull nullhickness of cladding on each facenull nullnullnull nullirection of test piece nullnullnullnullnullenullperatnullre h nullnull Anullnullientnullnull Proof stress Rp0null2nullnulla H null30nullnull Strength Rnullnullnulla H 5null0nullnull Elongation A null H null2nullnull Rednullcti
24、on of areanull null nullnullnull nullardness nullnullnull G Hnull G 2nullnull or null59 G HBnull G 20nullnullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnullnull Inullpact strength nullnullnullCnullenullperatnullre h nullnull nullnullnull nullinulle h nullnullnull Stress ranul
25、lnulla nullnullnull Elongation a null nullnullnull Rnullptnullre stress rRnullnulla nullnullnull Elongation at rnullptnullreA null nullnullnull nullotes nullsee line 9nullnullnullnullBRITISH STANDARDnull BSI 2009 null 3BS 3B 25:2009Tanullle null nullechnical renullnullirenullents for Cnull-nulli-Si
26、alloy rods, bars and sections (heat treated) nullcontinuednullnullnull Enullternal defects null See Section 2 onull BS B null00nullnull nullarking null See Section 2 onull BS B null00nullnull nullinullensional inspection null BS nullN null2nullnull3 class B 2nullnullnull nullesignation null B 25 Anu
27、llnull nullotes nullnullnull Total inullpurities enullclude Al and nullenull2null Dinullensional tolerances nullor rods larger than the sinulle ranges ginullen in BS nullN null2nullnull3 should nulle agreed nulletnulleen the supplier and the purchasernullBS 3B 25:2009null null null BSI 2009BRITISH S
28、TANDARDTanullle 2 nullechnical renullnullirenullents for Cnull-nulli-Si alloy forging stock and forgings (heat treated)null nullaterial designation nullS null nullnullnull Chenullical conullposition nullnulllenullent Ni Si Al nulle Total inullpurities nullunullinnull 2null0 0nullnull null null nullB
29、asenullanullnull 3null5 0nullnull 0null02 0nullnull0 0null30 nullnullnull nullethod of nullelting nullnullnullnull nullornull nullorging stocnull nullB 25nullnull nullorging nullB 25nullnullnullnullnull nullethod of prodnullction nullnulltruded andnullor rollednull enulltruded and dranullnnull nullo
30、rged or castnullorged nullronull B 25B stocnullnullnullnull nullinullit dinullension(s) nullnull null nullnull nullechnical specification Sections null and 3 onull BS B null00 Sections null and null onull BS B null00nullnullnull nullelinullery condition As nullanunullactured Heat treatednulleat trea
31、tnullent null null00 nullnull G h G 900 nullnull null nullnull or nullnull null h H null50 nullnull null t H null h null Anullnullnullnull nullelinullery condition code null nullnull nullse condition Delinullery condition Heat treatednulleat treatnullent null Delinullery conditionCharacteristicsnull
32、nullnull nullest sanullple(s) See Section 3 onull BS B null00 See Section null onull BS B null00nullnullnull nullest piece(s) See Section 3 onull BS B null00 See Section null onull BS B null00nullnullnull nulleat treatnullent Renullerence nullsee line 29null nullse conditionnull nullinullensions con
33、cerned nullnull null nullnullnull nullhickness of cladding on each facenull null nullnullnull nullirection of test piece null nullnullnullnullnullenullperatnullre h nullnull Anullnullient Anullnullientnullnull Proof stress Rp0null2nullnulla H null30 H null30nullnull Strength Rnullnullnulla H 5null0
34、H 5null0nullnull Elongation A null H null2 H null2nullnull Rednullction of areanull null nullnullnull nullardness nullnullnull G Hnull G 2nullnull or null59 G HBnull G 20nullnullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnullnull Inullpact strength nullnullnullCnullenullperat
35、nullre h nullnull nullnullnull nullinulle h nullnullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rnullptnullre stress rRnullnulla nullnullnull Elongation at rnullptnullreA null nullnullnull nullotes nullsee line 9nullnullnullnullBRITISH STANDARDnull BSI 2009 null 5BS 3B 25:200
36、9Tanullle 2 nullechnical renullnullirenullents for Cnull-Al-nulli-nulle alloy forging stock and forgings (heat treated) nullcontinuednullnullnull Reference heat treatnullent null null00 nullnull G h G 900 nullnull null nullnull or nullnull null h H null50 nullnull null t H null h null Anullnullnull
37、Enullternal defects null nullorging stocnull: See Section 3 onull BS B null00 nullorgings: See Section null onull BS B null00nullnull nullorgeability null Section 3 onull BS B null00null nullonullpression at 900 nullnull G h G 950 nullnull to 20null onull original lengthnullnull nullarking null null
38、orging stocnull: See Section 3 onull BS B null00 nullorgings: See Section null onull BS B null00nullnull nullinullensional inspection null nullorging stocnull: BS nullN null2nullnull5 class A 2nullnullorgings: See Section null onull BS B null00nullnull nullotes nullnullnull Total inullpurities enull
39、clude Al and nullenull2null Applicanullle to round nullorging stocnullnull Dinullensional tolerances to nulle applied to round nullorging stocnull outside the range ginullen in BS nullN null2nullnull5 and to nullorging stocnull onull other shapes should nulle agreed nulletnulleen the supplier and th
40、e purchasernullBS 3B 25:2009null null null BSI 2009BRITISH STANDARDnullibliographyStandards pnullblicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced docunullent nullincluding any anullendnullentsnull
41、appliesnullnullN null500nullnullnull Metallic 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 blankB
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