1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationAEROSPACE SERIESSpecification for heat-resisting steel billets, bars, forgings and parts (Ni 25null5, Cr nullnullnullnull, nulli nullnullnull, nulln nullnull5, nullo nullnull2, n
2、ull nullnullnullnullnullS 2nullR 52null2nullnullnullBS 2HR 52:2010 BRITISH STANDARDPnullblishing and copnullright infornullationThe BSI copyright notice displayed in this document indicates nullhen the document nullas last issuednull null BSI 2010 ISBN nullnullnull 0 5null0 nullnullnullnullnull 2 In
3、ullS nullnull25null0 The nullollonulling BSI renullerences relate to the nullornull on this standard: nullommittee renullerence Anullnullnullnull1 Dranullt nullor comment 0nullnullnull0201nullnullnull DnullPnullblication histornullnullirst punulllished Septemnuller 1nullnullnullSecond nullpresentnul
4、l editionnull nullanuary 2010Anullendnullents issnulled since pnullblicationnullate nullenullt affected BRITISH STANDARDnull BSI 2010 null iBS 2HR 52:2010Contentsnullorenullord iinull Scope 12 Normatinulle renullerences 1null Technical renulluirements 1Binullliography 8nullist of tablesTanullle 1 nu
5、ll Technical renulluirements nullor nicnullelnullchromiumnulltitaniumnullmanganesenullmolynulldenumnullnullanadium heatnullresisting steel nullars nullor machining 2Tanullle 2 null Technical renulluirements nullor nicnullelnullchromiumnulltitaniumnullmanganesenullmolynulldenumnullnullanadium heatnul
6、lresisting steel nullillets and nullars nullor nullorging 4Tanullle null null Technical renulluirements nullor nicnullelnullchromiumnulltitaniumnullmanganesenullmolynulldenumnullnullanadium heatnullresisting steel nullorgings 6Snullnullnullarnull of pagesThis document comprises a nullront conullernu
7、ll an inside nullront conullernull pages i to iinull pages 1 to nullnull an inside nullacnull conuller and a nullacnull conullernullBS 2HR 52:2010ii null null BSI 2010BRITISH STANDARDnullorenullordPnullblishing infornullationThis British Standard is punulllished nully BSI and came into enullnullect
8、on null1 nullanuary 2010null It nullas prepared nully nullanel Anullnullnullnull1nullnullnullnullnullnull Heat resisting alloysnull under the authority onull Technical nullommittee Anullnullnullnull1null Metallic materials for aerospace purposesnull A list onull organinullations represented on this
9、committee can nulle onulltained on renulluest to its secretarynullSnullpersessionThis standard supersedes BS HR 52:1nullnullnullnull nullhich is nullithdranullnnullInfornullation abonullt this docnullnullentThis is a nullull renullision onull BS HR 52null and introduces the nullollonulling principal
10、 changesnullanull nullhange in titlenullnullnull Renulluirements are stated in tanullular nullormat in accordance nullith nullN null500null1 and nullN null500nullnullnullnullanullard nullarningsnullARNINnullnull This British Standard calls nullor the use onull sunullstances andnullor procedures that
11、 can nulle innullurious to health 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 docnullnullentIt has nulleen assumed in
12、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 pronullisions onull this standard are presen
13、ted in roman nullinullenull uprightnulltypenull 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 el
14、ement.Contractnullal and legal considerationsThis punulllication does not purport to include all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullConullpliance nullith a nullritish Standard cannot confer inullnullnullnitnull fronulllegal
15、obligationsnullBRITISH STANDARDnull BSI 2010 null 1BS 2HR 52:2010null ScopeThis British Standard specinulles renulluirements nullor nicnullelnullchromiumnulltitaniumnullmanganesenullmolynulldenumnullnullanadium heatnullresisting steel supplied in the nullollonulling nullormsnull and as partsnullanul
16、l Bars nullor machining: solution treatednull designation HR 52Anullnullnull Billets and nullars nullor nullorging: hot or cold nullornulled and sunullsenulluently machined or groundnull designation HR 52Bnullcnull nullorgings: solution treatednull designation HR 52nullnull2 Nornullatinulle referenc
17、esThe nullollonulling renullerenced 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 ap
18、pliesnullBS HR 100null Procedure for inspection, testing and acceptance of wrougnullt nulleatnullresisting alloysnull nullechnical renullnullirenullentsnullnullnull nullaterial to this standard shall connullorm to Tanullle 1null Tanullle 2 and Tanullle nullnullnullnullnullnull nullnulle format and s
19、ymnullols used in nullanullle 1, nullanullle 2 and nullanullle null are derived from nullnull 4nullnullnullnull1 and nullnull 4nullnullnullnullnull.nullnull2 nullarts nullnally heatnulltreated anullter machining shall connullorm to Section null and Section null onull BS HR 100nullnullnullnull nullar
20、ts shall nulle supplied in the solution treated and precipitation treated conditionnullBS 2HR 52:20102 null null BSI 2010BRITISH STANDARDTanullle 1 nullechnical renullnullirenullents for nicnullel-chronullinullnull-titaninullnull-nullanganese-nullolnullbdennullnull-nullanadinullnullheat-resisting st
21、eel bars for nullachiningnull nullaterial designation nullS nullR 522 Chenullical conullposition nullnulllement null Si nulln null S Al B nullinnull null null null null null null 0null00null 0nullanullnull 0null0null 0null5 2null0 0null020 0null015 0nullnull5 0null010nulllement nullr nullo Ni nullnu
22、ll Ti null nullenullinnull 1nullnull5 1null0 2nullnull0 null 1nullnull 0null10Basenullanullnull 1nullnull0 1null5 2nullnull0 50 ppm 2null0 0null50null nullethod of nullelting Air meltednull nullacuum meltednull air melted and nullacuum renullnednull consumanullle electrode remeltednullnullnull nullo
23、rnull Bars nullor machining nullHR 52Anullnullnull2 nullethod of prodnullction nullnullnullnull nullinullit dinullension(snull mm null5 nullechnical specification Sections 1 and 2 onull BS HR 100nullnullnull nullelinullernull condition Solution treated nulleat treatnullent null nullnullnull0 10null
24、nullnull null t H 1 h null Anullnullnull2 nullelinullernull condition code nullnull nullse condition Solution treated null precipitation treatednulleat treatnullent Delinullery condition null null nullnull20 10null nullnull 1nullnull t H 1null h null AnullCharacteristicsnullnullnull nullest sanullpl
25、e(snull See Section 2 onull BS HR 100nullnull2 nullest piece(snull See Section 2 onull BS HR 100nullnullnull nulleat treatnullent Delinullery condition nullse conditionnull nullinullensions concerned mm nullnullnull nullhicnullness of cladding on each facenull nullnullnull nullirection of test piece
26、 nullnull2nullnullenullperatnullre nullnull Amnullient Amnullientnullnull Proof stress Rp0null2nullnulla null H 5null0 nullnull Strength Rmnullnulla null H null50null5 Elongation A null null H 20nullnull Rednullction of areanull null null nullnullnull nullardness HBnull G 21null or Hnull G 2null0 HB
27、null H 2null5 or Hnull H 250nullnull Shear strength Rcnullnulla nullnullnull nullending j null null2null Inullpact strength null2nullCnullenullperatnullre nullnull null null50 2null22 nullinulle h null tRH null0 2null2null Stress ranullnulla null null2null Elongation a null null null25 Rnullptnullre
28、 stress rRnullnulla null null10 2null2null Elongation at rnullptnullreA null null H nullnull5 2null2null Notes nullsee line nullnullnull1nullnull 2nullBRITISH STANDARDnull BSI 2010 null nullBS 2HR 52:2010Tanullle 1 nullechnical renullnullirenullents for nicnullel-chronullinullnull-titaninullnull-nul
29、langanese-nullolnullbdennullnull-nullanadinullnullheat-resisting steel bars for nullachining nullcontinuednullnullnull nullrain sinulle null See Section 1 onull BS HR 1002 nullne per nullatchnull Transnullerse samplenull nullne end onull nullarnull5 nullse conditionnulla or D nullmmnull Anullerage g
30、rain sinulle nullmmnullG 100 G 0null12nullnull 100 G 0null25nullnullnull Enullternal defects null See Section 2 onull BS HR 1005null nullacrostrnullctnullre null See Section 2 onull BS HR 100nullnull Internal defects null See Section 2 onull BS HR 100null5 nullarnulling null See Section 2 onull BS H
31、R 100nullnull nullinullensional inspection null See Section 2 onull BS HR 100nullnull Notes null1nullHeat steadily nullrom 550 nullnull to null20 nullnull in a minimum onull 1 hnull2null The test shall nulle carried out on a comnullined notched and unnotched test piece or on separate notched and unn
32、otched test piecesnull Inull a comnullined test piece is usednull rupture shall occur in the unnotched portionnull Inull separate test pieces are usednull the time to rupture onull the notched test piece shall enullceed that onull the unnotched test piecenullBS 2HR 52:2010null null null BSI 2010BRIT
33、ISH STANDARDTanullle 2 nullechnical renullnullirenullents for nicnullel-chronullinullnull-titaninullnull-nullanganese-nullolnullbdennullnull-nullanadinullnullheat-resisting steel billets and bars for forgingnull nullaterial designation nullS nullR 522 Chenullical conullposition nullnulllement null S
34、i nulln null S Al B nullinnull null null null null null null 0null00null 0nullanullnull 0null0null 0null5 2null0 0null020 0null015 0nullnull5 0null010nulllement nullr nullo Ni nullnull Ti null nullenullinnull 1nullnull5 1null0 2nullnull0 null 1nullnull 0null10Basenullanullnull 1nullnull0 1null5 2nul
35、lnull0 50 ppm 2null0 0null50null nullethod of nullelting Air meltednull nullacuum meltednull air melted and nullacuum renullnednull consumanullle electrode remeltednullnullnull nullornull Billets and nullars nullor nullorging nullHR 52Bnullnullnull2 nullethod of prodnullction nullnullnullnull nullin
36、ullit dinullension(snull mm null5 nullechnical specification Sections 1 and null onull BS HR 100nullnullnull nullelinullernull condition Hot or cold nullornulled and sunullsenulluently machined or ground 1nullnulleat treatnullent nullnullnull2 nullelinullernull condition code nullnull nullse conditi
37、on Delinullery conditionnulleat treatnullent nullCharacteristicsnullnullnull nullest sanullple(snull See Section null onull BS HR 100nullnull2 nullest piece(snull See Section null onull BS HR 100nullnullnull nulleat treatnullent Delinullery condition Renullerence nullsee line 2nullnullnull nullinull
38、ensions concerned mm nullnullnull nullhicnullness of cladding on each facenull nullnullnull nullirection of test piece null nullnull2nullnullenullperatnullre nullnull null Amnullientnullnull Proof stress Rp0null2nullnulla null H 5null0 nullnull Strength Rmnullnulla null H null50null5 Elongation A nu
39、ll null H 20nullnull Rednullction of areanull null null nullnullnull nullardness null HBnull H 2null5 or Hnull H 250nullnull Shear strength Rcnullnulla nullnullnull nullending j null null2null Inullpact strength null2nullCnullenullperatnullre nullnull null null50 2null22 nullinulle h null tRH null0
40、2null2null Stress ranullnulla null null2null Elongation a null null null25 Rnullptnullre stress rRnullnulla null null10 2null2null Elongation at rnullptnullreA null null H nullnull5 2null2null Notes nullsee line nullnullnull1nullnull 2nullBRITISH STANDARDnull BSI 2010 null 5BS 2HR 52:2010Tanullle 2
41、nullechnical renullnullirenullents for nicnullel-chronullinullnull-titaninullnull-nullanganese-nullolnullbdennullnull-nullanadinullnullheat-resisting steel billets and bars for forging nullcontinuednull2null Reference heat treatnullent null Solution treated null precipitation treated null nullnullnu
42、ll0 10null nullnull null t H 1 h null Anull null null nullnull20 10null nullnull nullnull null t H 1null h null Anullnullnull Enullternal defects null See Section null onull BS HR 1005null nullacrostrnullctnullre null See Section null onull BS HR 100nullnull Internal defects null See Section null on
43、ull BS HR 100null5 nullarnulling null See Section null onull BS HR 100nullnull nullinullensional inspection null See Section null onull BS HR 100nullnull Notes null1null nullaterial onull other than round section may nulle supplied in the descaled conditionnull2nullThe test shall nulle carried out o
44、n a comnullined notched and unnotched test piece or on separate notched and unnotched test piecesnull Inull a comnullined test piece is usednull rupture shall occur in the unnotched portionnull Inull separate test pieces are usednull the time to rupture onull the notched test piece shall enullceed t
45、hat onull the unnotched test piecenullnullnull Heat steadily nullrom 550 nullnull to null20 nullnull in a minimum onull 1 hnullBS 2HR 52:2010null null null BSI 2010BRITISH STANDARDTanullle null nullechnical renullnullirenullents for nicnullel-chronullinullnull-titaninullnull-nullanganese-nullolnullb
46、dennullnull-nullanadinullnullheat-resisting steel forgingsnull nullaterial designation nullS nullR 522 Chenullical conullposition nullnulllement null Si nulln null S Al B nullinnull null null null null null null 0null00null 0nullanullnull 0null0null 0null5 2null0 0null020 0null015 0nullnull5 0null01
47、0nulllement nullr nullo Ni nullnull Ti null nullenullinnull 1nullnull5 1null0 2nullnull0 null 1nullnull 0null10Basenullanullnull 1nullnull0 1null5 2nullnull0 50 ppm 2null0 0null50null nullethod of nullelting Air meltednull nullacuum meltednull air melted and nullacuum renullnednull consumanullle ele
48、ctrode remeltednullnullnull nullornull nullorgings nullHR 52nullnullnullnull2 nullethod of prodnullction nullorged nullrom HR 52B stocnullnullnullnull nullinullit dinullension(snull mm null5 nullechnical specification Sections 1 and null onull BS HR 100nullnullnull nullelinullernull condition Soluti
49、on treated nulleat treatnullent null nullnullnull0 10null nullnull null t H 1 h null Anullnullnull2 nullelinullernull condition code nullnull nullse condition Solution treated null precipitation treatednulleat treatnullent Delinullery condition null null nullnull20 10null nullnull 1null null t H 1null h null AnullCharacteristicsnullnullnull nullest sanullple(snull See Section null onull BS HR 100nullnull2 nullest piece(snull See Section null onull BS HR 100nullnullnull nulleat treatnullent Delinullery condition nullse conditionnull nullinullensions concerned mm nullnu
