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-tin-phosphorous alloy rods and sectionsBS 2B 24:200nullBS 2B 24:2009 BRI
2、TISH STANDARDPunulllishinnull and copyrinullht infornullationThe BSI copyright notice displayed in this document indicates nullhen the document nullas last issuednullnull BSI 2009ISBN 9nullnull 0 nullnull0 null2nullnull9 9InullS 49null02nullnull99The nullollonulling BSI renullerences relate to the n
3、ullornull on this standard: nullommittee renullerence Anullnullnullnullnull Dranullt nullor comment 09nullnull0nullnullnullnull9null DnullPunulllication historynullirst punulllished nullctonuller null99nullSecond nullpresentnull editionnull Nonullemnuller 2009Anullendnullents issued since punulllica
4、tionnullate nullenullt affected BRITISH STANDARDnull BSI 2009 null iBS 2B 24:2009Contentsnullorenullord iinull Scope 12 Normatinulle renullerences 1null Technical renulluirements 1Binullliography 4nullist of tanulllesTanullle null null Technical renulluirements nullor nullunullSnnullnull alloy rods
5、and sections 2Sunullnullary of panullesThis document comprises a nullront conullernull an inside nullront conullernull pages i to iinull pages null to 4null an inside nullacnull conuller and a nullacnull conullernullBS 2B 24:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPunulllishinnull inf
6、ornullationThis British Standard nullas punulllished nully BSI and came into enullnullect on null0 Nonullemnuller 2009null It nullas prepared nully nullanel AnullnullnullnullnullnullnullnullnullnullnullCopper and miscellaneous alloysnull under the authority onull Technical nullommittee Anullnullnull
7、nullnullnull Metallic materials for aerospace purposesnull A list onull organinullations represented on this committee can nulle onulltained on renulluest to its secretarynullSupersessionThis British Standard supersedes BS B 24:null99nullnull nullhich is nullithdranullnnullInfornullation anullout th
8、is docunullentThis is a nullull renullision onull BS B 24 and introduces the nullollonulling principal changes:anull renulluirements are stated in tanullular nullormat in accordance nullith nullN 4null00nullnullnullnullnull nullor dimensional inspection onull alloy rods and sections nullTanullle nul
9、lnullline 9nullnullnull nullithdranulln BS 2nullnull4 has nulleen replaced nully BS nullN null2nullnullnullnullnullanullard nullarninnullsnullARnullInullnullnull This British Standard calls nullor the use onull sunullstances andnullor procedures that can nulle innullurious to health inull adenulluat
10、e precautions are not tanullennull It renullers only to technical suitanullility and does not anullsolnulle the user nullrom legal onullligations relating to health and sanullety at any stagenullnullse of this docunullentIt has nulleen assumed in the preparation onull this British Standard that the
11、enullecution 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 roman nullinullenull uprightnulltypenull Its r
12、enulluirements are enullpressed either as a set onull instructions or in sentences in nullhich the principal aunulliliary nullernull is nullshallnullnullnullommentary, explanation and general informative material is presented in smaller italic type, and does not constitute a normative element.Contra
13、ctual and lenullal considerationsThis punulllication does not purport to include all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullConullpliance nullith a British Standard cannot confer inullnullunity fronulllenullal onulllinullationsn
14、ullBRITISH STANDARDnull BSI 2009 null nullBS 2B 24:2009null ScopeThis British Standard specinulles renulluirements nullor coppernulltinnullphosphorous alloy supplied in the nullorm onull rodsnull including hollonullrodsnull and sectionsnull2 nullornullatinulle referencesThe nullollonulling renullere
15、nced documents are indispensanullle nullor the application onull this documentnull nullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced document nullincluding any amendmentsnull appliesnullBS B null00null Proced
16、ure for inspection, testing and acceptance of wrought copper alloys BS nullN null2nullnullnullnull Copper and copper alloys Rod for general purposesnull nullechnical renulluirenullentsnullaterial to this standard shall connullorm to Tanullle nullnullnullnullnullnull nullhe format and symnullols used
17、 in nullanullle 1 are derived from nullnull 4nullnullnullnull1.BS 2B 24:20092 null null BSI 2009BRITISH STANDARDTanullle null nullechnical renulluirenullents for Cu-Sn-P alloy rods and sectionsnull nullaterial desinullnation BS B 242 Chenullical conullposition nullnulllement Sn null nullnull nulle N
18、i nulln Total impurities nullunullinnull nullnullnull 0nullnull null null null null nullBasenullanullnull 9null0 0null4 0null0null 0nullnull0 0nullnull 0nullnull0 0nullnull0 nullnullnull nullethod of nulleltinnull null4nullnull nullornull Rods and sections4null2 nullethod of production Rollednull en
19、ulltruded or dranulln4nullnull nullinullit dinullensionnullsnull mm null G a or D G null0null nullechnical specification Sections null and 2 onull BS B null00nullnullnull nullelinullery condition As manunullacturednulleat treatnullent nullnullnull2 nullelinullery condition code nullnull nullse condi
20、tion Delinullery conditionnulleat treatnullent nullCharacteristicsnullnullnull nullest sanullplenullsnull See Section 2 onull BS B null00nullnull2 nullest piecenullsnull See Section 2 onull BS B null00nullnullnull nulleat treatnullent nullse condition null nullinullensions concerned mm null G a or D
21、 G nullnull nullnull null a or D G 40 40 null a or D G null0null0 nullhicnullness of claddinnull on each facenull nullnullnull nullirection of test piece null null nullnull2nullnullenullperature nullnull Amnullient Amnullient Amnullientnullnull Proof stress Rp0null2nullnulla H 400 H nullnull0 H null
22、00null4 Strennullth Rmnullnulla H nullnull0 H null00 H 4null0nullnull Elonnullation A null H nullnull H nullnull H 20nullnull Reduction of areanull null nullnullnull nullardness Hnull H null2null or HBnull H null20nullnull Shear strennullth Rcnullnulla nullnullnull Bendinnull j null null20 Inullpact
23、 strennullth null2nullCnullenullperature nullnull null22 nullinulle h null2null Stress ranullnulla null24 Elonnullation a null null2null Rupture stress rRnullnulla null2null Elonnullation at ruptureA null null2null nullotes nullsee line 9nullnullnullnullBRITISH STANDARDnull BSI 2009 null nullBS 2B 2
24、4:2009Tanullle null nullechnical renulluirenullents for Cu-Sn-P alloy rods and sections nullcontinuednull44 Enullternal defects null See Section 2 onull BS B null00nullnull nullarnullinnull null See Section 2 onull BS B null00nullnull nullinullensional inspection null BS nullN null2nullnullnull clas
25、s A 2nullnullnull nullotes nullnullnullTotal impurities include nullnullnull nullenull Ni and Snnull2null Dimensional tolerances nullor rods larger than the sinulle ranges ginullen in BS nullN null2nullnullnull should nulle agreed nulletnulleen the supplier and the purchasernullBS 2B 24:20094 null n
26、ull BSI 2009BRITISH STANDARDBinulllionullraphyStandards punulllicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced document nullincluding any amendmentsnull appliesnullBS 2nullnull4, nullpecinullcation
27、for copper and copper alloy rods and sections nullother than forging stocnullnull nullnullnullN 4null00nullnullnull Metallic materials Rules for the drafting and presentation of material standards Part 1null nulleneral rules 2nullnullnullRenullerred to in the nullorenullord onlynull2nullnullunulllis
28、hed as ASDnullSTAN nullrestandard at the date onull punulllication onullthis standardnullThis page deliberately left blankBSI 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 incorporate
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