1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationAEROSPACE SERIESSpecification for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy billets, bars, forgings and parts nullnullickel base, Cr nullnull, Co
2、nullnullnullnull, Al null, nullo null, nulli nullnullnullS nullnullR nullnullnullnullnullnullBS 2HR 4:2010 BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed in this document indicates nullhen the document nullas last issuednullnull BSI 2010ISBN nullnullnull 0 nul
3、lnull0 nullnull042 nullInullS 4nullnull02nullnullnullnullThe nullollonulling BSI renullerences relate to the nullornull on this standard: nullommittee renullerence Anullnullnullnull1 Dranullt nullor comment 0nullnullnull01nullnullnullnull1 DnullPublication historynullirst punulllished April 1nullnul
4、l2Second nullpresentnull editionnull nullanuary 2010Amendments issued since publicationnullate nullenullt affected BRITISH STANDARDnull BSI 2010 null iBS 2HR 4:2010Contentsnullorenullord iinull Scope 1null Normatinulle renullerences 1null Technical renulluirements 1Binullliography 8nullist of tables
5、Tanullle 1 null Technical renulluirements nullor nicnullelnullchromiumnullconullaltnullaluminiumnullmolynulldenumnulltitanium heatnullresisting alloy nullars and enulltruded sections nullor machining 2Tanullle 2 null Technical renulluirements nullor nicnullelnullchromiumnullconullaltnullaluminiumnul
6、lmolynulldenumnulltitanium heatnullresisting alloy nullillets and nullars nullor nullorging 4Tanullle null null Technical renulluirements nullor nicnullelnullchromiumnullconullaltnullaluminiumnullmolynulldenumnulltitanium heatnullresisting alloy nullorgings 6Summary of pagesThis document comprises a
7、 nullront conullernull an inside nullront conullernull pages i to iinull pages 1 to nullnull an inside nullacnull conuller and a nullacnull conullernullBS 2HR 4:2010ii null null BSI 2010BRITISH STANDARDnullorenullordPublishing informationThis British Standard is punulllished nully BSI and came into
8、enullnullect on null1 nullanuary 2010null It nullas prepared nully nullanel Anullnullnullnull1nullnullnull4nullnull Heat resisting alloysnull under the authority onull Technical nullommittee Anullnullnullnull1null Metallic materials for aerospace purposesnull A list onull organinullations represente
9、d on this committee can nulle onulltained on renulluest to its secretarynullSupersessionThis standard supersedes BS HR 4:1nullnull2null nullhich is nullithdranullnnullInformation about this documentThis is a nullull renullision onull BS HR 4null The principal change nullrom the prenullious edition i
10、s that the renulluirements are stated in tanullular nullormat in accordance nullith nullN 4null00null1 and nullN 4null00nullnullnullnullanullard nullarningsnullARnullInullnullnull This British Standard calls nullor the use onull sunullstances andnullor procedures that can nulle innullurious to healt
11、h inull adenulluate 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 documentIt has nulleen assumed in the preparation onull this British Sta
12、ndard that the 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 uprightnul
13、ltypenull Its renulluirements are enullpressed 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 and legal considerat
14、ionsThis punulllication does not purport to include all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullCompliance nullith a nullritish Standard cannot confer immunity from legal obligationsnullBRITISH STANDARDnull BSI 2010 null 1BS 2HR
15、4:2010null ScopeThis British Standard specinulles renulluirements nullor nicnullelnullchromiumnullconullaltnullaluminiumnullmolynulldenumnulltitanium heatnullresisting alloy supplied in the nullollonulling nullormsnull and as partsnullanull Bars and enulltruded sections nullor machining: solution tr
16、eatednulldesignation HR 4Anullnullnull Billets and nullars nullor nullorging: hot or cold nullornulled and sunullsenulluently machined or groundnull designation HR 4Bnullcnull nullorgings: solution treatednull designation HR 4nullnullnull nullormatinulle referencesThe nullollonulling renullerenced d
17、ocuments 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 HR 100null Procedure for
18、inspection, testing and acceptance of wrougnullt nulleatnullresisting alloysnull nullechnical renulluirementsnullnullnull nullaterial to this standard shall connullorm to Tanullle 1null Tanullle 2 and Tanullle nullnullnullnullnullnull nullnulle format and symnullols used in nullanullle 1, nullanulll
19、e 2 and nullanullle null are derived from nullnull 4nullnullnullnull1 and nullnull 4nullnullnullnullnull.nullnullnull nullarts nullnally heatnulltreated anullter machining shall connullorm to Section null and Section null onull BS HR 100nullnullnullnull nullarts shall nulle supplied in the solution
20、treated conditionnullBS 2HR 4:20102 null null BSI 2010BRITISH STANDARDTanullle 1 nullechnical renulluirements for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy bars and enulltruded sections for machiningnull nullaterial designation nullS nullR nullnull Chemical compositio
21、n 1nullnullnulllement null Si nulln S Ag Al B Bi nullonullinnull 0null12 null null null null 4nullnull 0null010 null 1nullnull0nullanullnull 0null20 1null0 1null0 0null01null null ppm nullnullnull 0null02null 1 ppm 1nullnullnullnulllement nullr nullu nulle nullo nullnull Ti nullr Ninullinnull 14null
22、0 null null nullnull0 null nullnullnull nullBasenullanullnull 1nullnull0 0null2 1null0 nullnull0 1null ppm 4nullnull 0null1nullnull nullethod of melting Induction meltednull nullacuum renullned and cast in air or induction meltednull nullacuum renullned and electro nullunull remeltednullnullnull nul
23、lorm Bars and enulltruded sections nullor machining nullHR 4Anullnullnullnull nullethod of production nullnulltrudednullnullnull nullimit dimensionnullsnull mm nullnull nullechnical specification Sections 1 and 2 onull BS HR 100nullnullnull nullelinullery condition Solution treatednulleat treatment
24、null null1 1null0 10null nullnull null t null 1nullnull h null nullnull 2 nullnull to null nullnull per min anullerage nulllimit 1 nullnull to null nullnull per minutenull to 1 000 nullnull null Anullnullnullnull nullelinullery condition code nullnull nullse condition Delinullery conditionnulleat tr
25、eatment nullCharacteristicsnullnullnull nullest samplenullsnull See Section 2 onull BS HR 100nullnullnull nullest piecenullsnull See Section 2 onull BS HR 100nullnullnull nulleat treatment nullse conditionnull nullimensions concerned mm nullnullnull nullhickness of cladding on each facenull nullnull
26、null nullirection of test piece nullnullnullnullnullemperature nullnull nullnullnull Proof stress Rp0null2nullnulla nullnullnull Strength Rmnullnulla nullnullnull Elongation A null nullnullnull Reduction of areanull null nullnullnull nullardness nullnullnull Shear strength Rcnullnulla nullnullnull n
27、ullending j null nullnullnull Impact strength nullnullnullCnullemperature nullnull nullnull0nullnull nullime h tRH null0nullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rupture stress rRnullnulla 11nullnullnull Elongation at ruptureA null nullnullnull nullotes nullsee line nul
28、lnullnull1nullBRITISH STANDARDnull BSI 2010 null nullBS 2HR 4:2010Tanullle 1 nullechnical renulluirements for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy bars and enulltruded sections for machining nullcontinuednullnullnull Enullternal defects null See Section 2 onull B
29、S HR 100nullnull nullacrostructure null See Section 2 onull BS HR 100nullnull Internal defects null See Section 2 onull BS HR 100nullnull nullarking null See Section 2 onull BS HR 100nullnull nullimensional inspection null See Section 2 onull BS HR 100nullnull nullotes null1nullThe chemical composit
30、ion shall nulle so controlled as to limit the nullormation onull Sigma phasenull The nullvlimits shall nulle agreed nulletnulleen the manunullacturer and the purchasernullBS 2HR 4:20104 null null BSI 2010BRITISH STANDARDTanullle 2 nullechnical renulluirements for nickel-chromium-cobalt-aluminium-mol
31、ybdenum-titanium heat-resisting alloy billets and bars for forgingnull nullaterial designation nullS nullR nullnull Chemical composition 1nullnullnulllement null Si nulln S Ag Al B Bi nullonullinnull 0null12 null null null null 4nullnull 0null010 null 1nullnull0nullanullnull 0null20 1null0 1null0 0n
32、ull01null null ppm nullnullnull 0null02null 1 ppm 1nullnullnullnulllement nullr nullu nulle nullo nullnull Ti nullr Ninullinnull 14null0 null null nullnull0 null nullnullnull nullBasenullanullnull 1nullnull0 0null2 1null0 nullnull0 1null ppm 4nullnull 0null1nullnull nullethod of melting Induction me
33、ltednull nullacuum renullned and cast in air or induction meltednull nullacuum renullned and electro nullunull remeltednullnullnull nullorm Billets and nullars nullor nullorging nullHR 4Bnullnullnullnull nullethod of production nullnullnullnull nullimit dimensionnullsnull mm nullnull nullechnical sp
34、ecification Sections 1 and null onull BS HR 100nullnullnull nullelinullery condition Hot or cold nullornulled and sunullsenulluently machined or ground 2nullnulleat treatment nullnullnullnull nullelinullery condition code nullnull nullse condition Delinullery conditionnulleat treatment nullCharacter
35、isticsnullnullnull nullest samplenullsnull See Section null onull BS HR 100nullnullnull nullest piecenullsnull See Section null onull BS HR 100nullnullnull nulleat treatment Delinullery condition Renullerence nullsee line 2nullnullnull nullimensions concerned mm nullnullnull nullhickness of cladding
36、 on each facenull nullnullnull nullirection of test piece null nullnullnullnullnullemperature nullnull nullnullnull Proof stress Rp0null2nullnulla nullnullnull Strength Rmnullnulla nullnullnull Elongation A null nullnullnull Reduction of areanull null nullnullnull nullardness nullnullnull Shear stre
37、ngth Rcnullnulla nullnullnull nullending j null nullnullnull Impact strength nullnullnullCnullemperature nullnull null nullnull0nullnull nullime h null tRH null0nullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rupture stress rRnullnulla null 11nullnullnull Elongation at ruptur
38、eA null nullnullnull nullotes nullsee line nullnullnull1nullnull 2nullBRITISH STANDARDnull BSI 2010 null nullBS 2HR 4:2010Tanullle 2 nullechnical renulluirements for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy billets and bars for forging nullcontinuednullnullnull Refer
39、ence heat treatment Solution treated null null1 1null0 10null nullnull null t null 1nullnull h null nullnull 2 nullnull to null nullnull per min anullerage nulllimit 1 nullnull to null nullnull per minutenull to 1 000 nullnull null Anullnullnull Enullternal defects null See Section null onull BS HR
40、100nullnull nullacrostructure null See Section null onull BS HR 100nullnull Internal defects null See Section null onull BS HR 100nullnull nullarking null See Section null onull BS HR 100nullnull nullimensional inspection null See Section null onull BS HR 100nullnull nullotes null1nullThe chemical c
41、omposition shall nulle so controlled as to limit the nullormation onull Sigma phasenull The nullvlimits shall nulle agreed nulletnulleen the manunullacturer and the purchasernull2nullnullaterial onull other than round section may nulle supplied in the descaled conditionnullBS 2HR 4:2010null null nul
42、l BSI 2010BRITISH STANDARDTanullle null nullechnical renulluirements for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy forgingsnull nullaterial designation nullS nullR nullnull Chemical composition 1nullnullnulllement null Si nulln S Ag Al B Bi nullonullinnull 0null12 nul
43、l null null null 4nullnull 0null010 null 1nullnull0nullanullnull 0null20 1null0 1null0 0null01null null ppm nullnullnull 0null02null 1 ppm 1nullnullnullnulllement nullr nullu nulle nullo nullnull Ti nullr Ninullinnull 14null0 null null nullnull0 null nullnullnull nullBasenullanullnull 1nullnull0 0nu
44、ll2 1null0 nullnull0 1null ppm 4nullnull 0null1nullnull nullethod of melting Induction meltednull nullacuum renullned and cast in air or induction meltednull nullacuum renullned and electro nullunull remeltednullnullnull nullorm nullorgings nullHR 4nullnullnullnullnull nullethod of production nullor
45、ged nullrom HR 4B stocnullnullnullnull nullimit dimensionnullsnull mm nullnull nullechnical specification Sections 1 and 4 onull BS HR 100nullnullnull nullelinullery condition Solution treatednulleat treatment null null1 1null0 10null nullnull null t null 1nullnull h null nullnull 2 nullnull to null
46、 nullnull per min anullerage nulllimit 1 nullnull to null nullnull per minutenull to 1 000 nullnull null Anullnullnullnull nullelinullery condition code nullnull nullse condition Delinullery conditionnulleat treatment nullCharacteristicsnullnullnull nullest samplenullsnull See Section 4 onull BS HR
47、100nullnullnull nullest piecenullsnull See Section 4 onull BS HR 100nullnullnull nulleat treatment nullse conditionnull nullimensions concerned mm nullnullnull nullhickness of cladding on each facenull nullnullnull nullirection of test piece nullnullnullnullnullemperature nullnull nullnullnull Proof
48、 stress Rp0null2nullnulla nullnullnull Strength Rmnullnulla nullnullnull Elongation A null nullnullnull Reduction of areanull null nullnullnull nullardness nullnullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnullnull Impact strength nullnullnullCnullemperature nullnull nullnul
49、l0nullnull nullime h tRH null0nullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rupture stress rRnullnulla 11nullnullnull Elongation at ruptureA null nullnullnull nullotes nullsee line nullnullnull1nullBRITISH STANDARDnull BSI 2010 null nullBS 2HR 4:2010Tanullle null nullechnical renulluirements for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy forgings nullcontinuednullnullnull nullrain sinulle null See Section 4 onull BS HR 100nullnull Enullternal defects null See Section 4 onull BS HR 100nullnull nullacrostructure nullgr
