1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationAEROSPACE SERIESSpecification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy cold drawn and solution treated wire for springs and springs nullnullickel basenu
2、ll Cr nullnullnullnullnull Co nullnullnullnullnullnulli nullnullnullnull Al nullnullnullnullnullS nullnullR nullnullnullnullnullnullnullnullBS 3HR 502:2011 BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed in this docunullent indicates nullhen the docunullent nul
3、las last issuednullnull BSI 2011ISBN nullnullnull 0 5null0 null03null3 nullInullS nullnullnull025nullnullnullThe nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence Anullnullnullnull1 Dranullt nullor conullnullent 10null30215null1null DnullPub
4、lication historynullirst punulllished 1nullnull0Second edition nullenullruary 1nullnull3Third nullpresentnull edition nullanuary 2011Amendments issued since publicationnullate nullenullt affected null BSI 2011 null iBS 3HR 502:2011BRITISH STANDARDContentsnullorenullord iinull Scope 1null Nornullatin
5、ulle renullerences 1null Technical renulluirenullents 1Binullliography 4nullist of tablesTanullle 1 null Technical renulluirenullents nullor nicnullelnullchronulliunullnullconullaltnulltitaniunullnullalunulliniunull heatnullresisting alloy cold dranulln and solution treated nullire nullor springs an
6、d springs 2Summary of pagesThis docunullent conullprises a nullront conullernull an inside nullront conullernull pages i to iinull pages 1 to nullnull an inside nullacnull conuller and a nullacnull conullernullBS 3HR 502:2011ii null null BSI 2011BRITISH STANDARDnullorewordPublishing informationThis
7、British Standard is punulllished nully BSI and canulle into enullnullect on 31 nullanuary 2011null It nullas prepared nully nullanel Anullnullnullnull1nullnullnullnullnullnull Heat resisting alloysnull under the authority onull Technical nullonullnullittee Anullnullnullnull1null Metallic materials f
8、or aerospace purposesnull A list onull organinullations represented on this conullnullittee can nulle onulltained on renulluest to its secretarynullSupersessionThis standard supersedes BS 2HR 502:1nullnull3null nullhich is nullithdranullnnullInformation about this documentThis is a nullull renullisi
9、on onull BS HR 502null The principal change nullronull the prenullious edition is that renulluirenullents are stated in tanullular nullornullat in accordance nullith nullN null500null1 and nullN null500null3nullnullanullard warningsnullARnullInullnullnull This British Standard calls nullor the use o
10、null 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 stagenullnullse o
11、f this documentIt 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 connullentionsThe
12、pronullisions onull this standard are presented in ronullan nullinullenull uprightnulltypenull Its nullethods are enullpressed either as a set onull instructions or in sentences in nullhich the principal aunulliliary nullernull is nullshallnullnullCommentary, explanation and general informative mate
13、rial is presented in smaller italic type, and does not constitute a normative element.Contractual and legal considerationsThis punulllication does not purport to include all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullCompliance with
14、 a nullritish Standard cannot confer immunity from legal obligationsnullnull BSI 2011 null 1BS 3HR 502:2011BRITISH STANDARDnull ScopeThis British Standard specinulles renulluirenullents nullor nicnullelnullchronulliunullnullconullaltnulltitaniunullnullalunulliniunull heatnullresisting alloy cold dra
15、nulln and solution treated nullire nullor springs nulldesignation HR 502Anull and springsnullnull nullormatinulle referencesThe nullollonulling renullerenced docunullents are indispensanullle nullor the application onull this docunullentnull nullor dated renullerencesnull only the edition cited appl
16、iesnull nullor undated renullerencesnull the latest edition onull the renullerenced docunullent nullincluding any anullendnullentsnull appliesnullBS HR 100null Procedure for inspection, testing and acceptance of wrought heat resisting alloysnull nullechnical renulluirementsnullaterial to this standa
17、rd shall connullornull to Tanullle 1nullNnullnullnull nullhe format and symnullols used in nullanullle 1 are derived from nullN 4nullnullnullnull1 and nullN 4nullnullnullnullnull.BS 3HR 502:20112 null null BSI 2011BRITISH STANDARDTanullle 1 nullechnical renulluirements for nickel-chromium-cobalt-tit
18、anium-aluminium heat-resisting alloy cold drawn and solution treated wire for springs and springsnull nullaterial designation nullS nullR nullnullnullnull Chemical composition nullnulllenullent null Si nulln S Ag Al B Binullinnull null null null null null 1null0 null nullnullanullnull 0null13 1null0
19、 1null0 0null015 5 ppnull 2null0 0null020 1 ppnullnulllenullent nullo nullr nullu nulle nullnull Ti nullr Ninullinnull 15null0 1nullnull0 null null null 2null0 nullBasenullanullnull 21null0 21null0 0null2 1null5 20 ppnull 3null0 0null15null nullethod of melting Induction nulleltednull nullacuunull r
20、enullned and cast in air or consunullanullle electrode renulleltednullnullnullnull nullorm nullire nullHR 502Anullnullnullnull nullethod of production nullold dranulln nullornulled nullronull HR 502A nullirenullnullnull nullimit dimensionnullsnull nullnull D nullnull0 D nullnull0null nullechnical sp
21、ecification Sections 1 and null onull BS HR 100 Sections 1 and null onull BS HR 100nullnullnull nullelinullery condition nullold dranulln null solution heat treated nullornulled null precipitation treatednulleat treatment 1 050 nullnull 1 100 nullnull 1null null nullnull50 10null nullnull null t nul
22、l null h null Anull 2nullnullnullnull nullelinullery condition code null nullnull nullse condition Delinullery condition Delinullery conditionnulleat treatment null nullCharacteristicsnullnullnull nullest samplenullsnull See Section null onull BS HR 100 See Section null onull BS HR 100nullnullnull n
23、ullest piecenullsnull See Section null onull BS HR 100 See Section null onull BS HR 100nullnullnull nulleat treatment Delinullery conditionRenullerence nullsee line 2nullnull nullse conditionnull nullimensions concerned nullnull null 0nullnullnull null D 0nullnullnull 0nullnullnull null D nullnull0
24、0nullnullnull null D 0nullnullnull 0nullnullnull null D nullnull0nullnull nullhickness of cladding on each facenull nullnullnull nullirection of test piece null null nullnullnullnullnullemperature nullnull null Anullnullient Anullnullientnullnull Proof stress Rp0null2nullnulla null null null20 null
25、null20 nullnull Strength Rnullnullnulla null 1 0null0 1 0null0 1 0null0 1 0null0nullnull Elongation A50nullnullnull null 15 15 15 15 nullnull Reduction of areanull null nullnullnull nullardness nullnullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnullnull Impact strength nullnu
26、llnullCnullemperature nullnull nullnullnull nullime h nullnullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rupture stress rRnullnulla nullnullnull Elongation at ruptureA null nullnullnull nullotes nullsee line nullnullnull1nullnull 2nullnull BSI 2011 null 3BS 3HR 502:2011BRITI
27、SH STANDARDTanullle 1 nullechnical renulluirements for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy cold drawn and solution treated wire for springs and springs nullcontinuednullnullnull Reference heat treatment null Solution heat treated null precipitation treated1 050 nullnull 1
28、100 nullnull 1null null null nullnull50 10null nullnull null t null null h null Anullnullnull Renullerse bend test null See Section null onull BS HR 1003 nullirenull a or D null 2 nullnull5 Delinullery conditionnull nullornuller radius: Round nullire: 3D nullther section: as agreed nulletnulleen the
29、 nullanunullacture and purchasernull No nullailure anullter three nullendsnullnull nullrapping test null See Section null onull BS HR 1003 nullirenull a or D 2 nullnull5 Delinullery conditionnull nullandrel dianulleter: Round nullire: D nullther section: as agreed nulletnulleen the nullanunullacture
30、 and purchasernull No nullailure anullter eight turnsnullnull Enullternal defects null See Section null onull BS HR 1003 nullirenullnull nullacrostructure null See Section null onull BS HR 1003 nullirenullnull nullarking null See Section null onull BS HR 100nullnull nullimensional inspection null Se
31、e Section null onull BS HR 100nullnull nullotes null1nullnullire up to and including 1nullnull nullnull dianulleter or nullinor sectional dinullension shall nulle heated in a protectinulle atnullospherenull nullollonulled nully cooling in a nullater cooled nullone under the sanulle protectinulle atn
32、ullospherenull nullire greater than 1nullnull nullnull dianulleter or nullinor sectional dinullension shall nulle nulluenched in nullaternull2nullInull renulluired nully the purchaser and stated on the ordernull an alternatinulle precipitation treatnullent onull null nullnull00 10null nullnull null
33、t null 1null h null Anull nullay nulle usednullBS 3HR 502:2011null null null BSI 2011BRITISH STANDARDnullibliographyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced docunullent nullincl
34、uding any anullendnullentsnull appliesnullnullN null500null1null Metallic materials null nullules for the drafting and presentation of material standards null Part 1null nulleneral rules 1nullnullN null500null3null Metallic materials null nullules for the drafting and presentation of material standa
35、rds null Part nullnull nullpecinullc rules for heat resisting alloys 1null1nullnullunulllished as ASDnullSTAN nullrestandard at the date onull punulllication onullthis standardnullThis page deliberately left blankBSI is the independent national body responsible for preparing British Standardsand oth
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