1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationAEROSPACE SERIESSpecification for high expansion heat-resisting steel bar and wire for the manufacture of bolts, studs, set screws and nuts nullnulli nullnullnullnull, Cr nullnul
2、l, nulli null, nulln nullnullnull, nullo nullnullnullnull, Si nullnullnull, null nullnullnullnull nullnullimiting ruling section nullnull mmnullnullS nullnullR nullnullnullnullnullnullnullnullBS 2HR 650:2011 BRITISH STANDARDPublishing and copnullright informationThe BSI copyright notice displayed in
3、 this docunullent indicates nullhen the docunullent nullas last issuednullnull BSI 2011ISBN nullnullnull 0 5null0 null20null6 nullInullS nullnullnull025null10The nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence Anullnullnull61 Dranullt null
4、or conullnullent 10nullnull02null05null5 Dnullnull 10nullnull02nullnull2nullnull DnullPublication histornullnullirst punulllished April 1nullnull2Second nullcurrentnull punulllicationnull nullanuary 2011Amendments issued since publicationnullate nullext affected null BSI 2011 null iBS 2HR 650:2011BR
5、ITISH STANDARDContentsnullorenullord iinull Scope 1null Nornullatinulle renullerences 1null Technical renulluirenullents 1Binullliography 6nullist of tablesTanullle 1 null Technical renulluirenullents nullor nicnullelnullchronulliunullnulltitaniunullnullnullolynulldenunull heatnullresisting steel nu
6、llor nullachining 2Tanullle 2 null Technical renulluirenullents nullor nicnullelnullchronulliunullnulltitaniunullnullnullolynulldenunull heatnullresisting steel nullor nullorging 4Summarnull of pagesThis docunullent conullprises a nullront conullernull an inside nullront conullernull pages i to iinu
7、ll pages 1 to 6null an inside nullacnull conuller and a nullacnull conullernullBS 2HR 650:2011ii null null BSI 2011BRITISH STANDARDnullorewordPublishing informationThis British Standard is punulllished nully BSI and canulle into enullnullect on null1 nullanuary 2011null It nullas prepared nully null
8、anel Anullnullnull61nullnullnullnullnullnull Heat resisting alloysnull under the authority onull Technical nullonullnullittee Anullnullnull61null Metallic materials for aerospace purposesnull A list onull organinullations represented on this conullnullittee can nulle onulltained on renulluest to its
9、 secretarynullSupersessionTogether nullith BS nullN 2nullnullnull and BS nullN 2nullnullnullnull this standard supersedes BS HR 650:1nullnull2null nullhich is nullithdranullnnullInformation about this documentThis standard is a nullull renullision onull BS HR 650 and introduces the nullollonulling p
10、rincipal changes:anull the renulluirenullents are stated in tanullular nullornullat in accordance nullith nullN null500null1 and nullN null500nullnullnullnullnull the linulliting ruling section conullered in this standard has nulleen increased nullronull 20 nullnull to 50 nullnullnullcnull the nulla
11、r nullor nullachining dianulleters conullered in this standard hanulle nulleen linullited to include nulleasurenullents anullonulle 25 nullnullnull up to and including 50 nullnullnulldnull the supplied nullar nullor nullorging nullsonulltenednull cold nullornulled and nullachined or groundnull dianu
12、lleters conullered in this standard hanulle nulleen linullited to include nulleasurenullents anullonulle 25 nullnullnull up to and including 50 nullnullnullnullanullard warningsnullARnullInullnullnull This British Standard calls nullor the use onull sunullstances andnullor procedures that can nulle
13、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 of this documentIt has nulleen assunulled in the prepara
14、tion 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 presented in ronu
15、llan 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 material is presented in smaller italic type, and does not
16、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 a nullritish Standard cannot confer immunitnull from l
17、egal obligationsnullnull BSI 2011 null 1BS 2HR 650:2011BRITISH STANDARDnull ScopeThis British Standard specinulles renulluirenullents nullor high enullpansion heatnullresisting steel nullar and nullire in the nullollonulling nullornulls nullor the nullanunullacture onull nulloltsnull studsnull set s
18、crenulls and nutsnullanull Bar nullith a dianulleter onuller 25 nullnull up to and including 50 nullnulland nullire nullith a nullanullinullunull dianulleter onull 50 nullnull nullor nullachining: sonulltenednull cold nullornullednull solution treated and nullachined or groundnulldesignation HR 650A
19、nullnullnull Bar nullith a dianulleter onuller 25 nullnull up to and including 50 nullnulland nullire nullith a nullanullinullunull dianulleter onull 50 nullnull nullor nullachining: sonulltenednull cold nullornullednull solution treatednull precipitation treated and nullachined or groundnull design
20、ation HR 650Bnullcnull Bar nullith a dianulleter onuller 25 nullnull up to and including 50 nullnull and nullire nullith a nullanullinullunull dianulleter onull 50 nullnull nullor nullorging: sonulltenednullcold nullornulled and nullachined or groundnull designation HR 650nullnulldnull Bar and nulli
21、re nullith a nullanullinullunull dianulleter onull 50 nullnull nullor nullorging: sonulltenednull cold nullornullednull solution treated and nullachined or groundnulldesignation HR 650Dnullnull nullormatinulle referencesThe nullollonulling renullerenced docunullents are indispensanullle nullor the a
22、pplication 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 HR 100null Procedure for inspection, testing and accept
23、ance of wrought heat resisting alloysnull nullechnical renulluirementsnullnullnull nullaterial to this standard shall connullornull to the technical renulluirenullents specinulled in Tanullle 1 and Tanullle 2nullnullnullnullnull nullhe format and symnullols used in nullanullle 1 and nullanullle 2 ar
24、e derived from nullnull 4nullnullnullnull1 and nullnull 4nullnullnullnullnull.nullnullnull nullarts nullnally heatnulltreated anullter nullachining shall connullornull to Sections 1 and null onull BS HR 100nullnullnullnull nullarts shall nulle supplied in the solution treated and precipitation treat
25、ed conditionnullBS 2HR 650:20112 null null BSI 2011BRITISH STANDARDTanullle 1 nullechnical renulluirements for nicnullel-chromium-titanium-molnullbdenum heat-resisting steel for machiningnull nullaterial designation nullS nullR nullnullnullnull Chemical composition nullnulllenullent null Si nulln nu
26、ll S Al Bnullinnull null null null null null null 0null00nullnullanullnull 0null0null 1null0 2null0 0null020 0null015 0nullnull5 0null010nulllenullent nullr nullo Ni nullnull Ti null nullenullinnull 1nullnull5 1null0 2nullnull0 null 1nullnull 0null10Basenullanullnull 16null0 1null5 2nullnull0 50 ppn
27、ull 2nullnull 0null50null nullethod of melting nulllectric process nullollonulled nully consunullanullle electrode nullacuunull arc renulleltingnullnullnullnull nullorm Bar and nullire nullor nullachining nullHR 650Anull Bar and nullire nullor nullachining nullHR 650Bnullnullnullnull nullethod of pr
28、oduction nullnullnullnull nullimit dimensionnullsnull nullnull Bar: 25 null D 50 nullire: D 50 Bar: 25 null D 50 nullire: D 50null nullechnical specification Sections 1 and null onull BS HR 100nullnullnull nullelinullernull condition Sonulltened null 15null reduction 25null 1nullnullsolution treated
29、 null nullachined or groundSonulltened null 15null reduction 25null 1nullnull solution treated null precipitation treated null nullachined or groundnulleat treatment null nullnull00 null10null nullnullnullt 1 hnullAnull or nullnull or nullnullnull null nullnullnull0 null10null nullnullnullt 1 hnullA
30、null or nullnull or nullnull null nullnull00 null10null nullnullnullt 1 hnullAnull or nullnull or nullnullnull null nullnullnull0 null10null nullnullnullt 1 hnullAnull or nullnull or nullnullnull null nullnull20 null10null nullnullnullt 16 hnullAnullnullnullnull nullelinullernull condition code null
31、 nullnull nullse condition Sonulltened null cold nullornulled null solution treated null precipitation treatedDelinullery conditionnulleat treatment Delinullery condition null null nullnull20 null10null nullnullnullt 16 hnullAnullnullCharacteristicsnullnullnull nullest samplenullsnull See Section nu
32、ll onull BS HR 100nullnullnull nullest piecenullsnull See Section null onull BS HR 100nullnullnull nulleat treatment Sonulltened null cold nullornulled null solution treatednullse conditionnull nullimensions concerned nullnull nullnullnull nullhicnullness of cladding on each facenull nullnullnull nu
33、llirection of test piece null nullnullnullnullnullemperature nullnull Anullnullient Anullnullientnullnull Proof stress Rp0null2nullnulla null 5null0 nullnull Strength Rnullnullnulla null null00nullnull Elongation A null null 12nullnull Reduction of areanull null null 20nullnull nullardness HBnull 20
34、0 2nullnull HBnull nullnull1 or 260 Hnull null60nullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnullnull Impact strength nullnullnullCnullemperature nullnull null 650 2nullnullnull nullime h null tR 2null 2nullnullnull Stress ranullnulla null nullnullnull Elongation a null nul
35、l nullnullnull Rupture stress rRnullnulla null nullnull0 2nullnullnull Elongation at ruptureA null null nullnull0 2nullnull nullnullnullnull nullotes nullsee line nullnullnull1nullnull 2nullnull nullnullnull BSI 2011 null nullBS 2HR 650:2011BRITISH STANDARDTanullle 1 nullechnical renulluirements for
36、 nicnullel-chromium-titanium-molnullbdenum heat-resisting steel for machining nullcontinuednullnullnull nullrain sinulle null See Section null onull BS HR 100null Transnullerse sanullple5 nullse conditionnull nullninullornull anullerage grain sinulle 0null065 nullnullnullnull External defects null S
37、ee Section null onull BS HR 100nullnull nullacrostructure null See Section null onull BS HR 100nullnull Internal defects null See Section null onull BS HR 100nullnull Surface contamination null See Section null onull BS HR 100nullnull nullarnulling null See Section null onull BS HR 100nullnull nulli
38、mensional inspection null See Section null onull BS HR 100nullnull nullotes null1nullReduced 15null to 25null in crossnullsectional area during nullnal dranulling or rolling at a tenullperature onull not nullore than nullnull0 nullnullnull2nullnullonullnullined notch and unnullnotched test piecenull
39、nullnullRupture shall occur in the unnullnotched portion onull the test piecenullBS 2HR 650:2011null null null BSI 2011BRITISH STANDARDTanullle 2 nullechnical renulluirements for nicnullel-chromium-titanium-molnullbdenum heat-resisting steel for forgingnull nullaterial designation nullS nullR nullnu
40、llnullnull Chemical composition nullnulllenullent null Si nulln null S Al Bnullinnull null null null null null null 0null00nullnullanullnull 0null0null 1null0 2null0 0null020 0null015 0nullnull5 0null010nulllenullent nullr nullo Ni nullnull Ti null nullenullinnull 1nullnull5 1null0 2nullnull0 null 1
41、nullnull 0null10Basenullanullnull 16null0 1null5 2nullnull0 50 ppnull 2nullnull 0null50null nullethod of melting nulllectric process nullollonulled nully consunullanullle electrode nullacuunull arc renulleltingnullnullnullnull nullorm Bar and nullire nullor nullorging nullHR 650nullnull Bar and null
42、ire nullor nullorging nullHR 650Dnullnullnullnull nullethod of production nullnullnullnull nullimit dimensionnullsnull nullnull Bar: 25 null D 50 nullire: D 50 Bar and nullire: D 50null nullechnical specification Sections 1 and null onull BS HR 100nullnullnull nullelinullernull condition Sonulltened
43、 null 15null reduction 25null 1nullnull nullachined or groundSonulltened null 15null reduction 25null 1nullnull solution treated null nullachined or groundnulleat treatment null nullnull00 null10null nullnullnullt 1 hnullAnull or nullnull or nullnull null nullnull00 null10null nullnullnullt 1 hnullA
44、null or nullnull or nullnullnull null nullnullnull0 null10null nullnullnullt 1 hnullAnull or nullnull or nullnullnullnullnull nullelinullernull condition code null nullnull nullse condition Delinullery condition Delinullery conditionnulleat treatment null nullCharacteristicsnullnullnull nullest samp
45、lenullsnull See Section null onull BS HR 100nullnullnull nullest piecenullsnull See Section null onull BS HR 100nullnullnull nulleat treatment Sonulltened null cold nullornulled Sonulltened null cold nullornulled nullsolution treatedRenullerence nullsee line 2nullnullnull nullimensions concerned nul
46、lnull nullnullnull nullhicnullness of cladding on each facenull nullnullnull nullirection of test piece null null nullnullnullnullnullemperature nullnull null null Anullnullientnullnull Proof stress Rp0null2nullnulla null null 5null0nullnull Strength Rnullnullnulla null null null00nullnull Elongatio
47、n A null null null 12nullnull Reduction of areanull null null null 20nullnull nullardness null HBnull 200 2nullnull HBnull nullnull1 or 260 Hnull null60nullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnullnull Impact strength nullnullnullCnullemperature nullnull null null 650 2
48、nullnullnull nullime h null null tR 2null 2nullnullnull Stress ranullnulla null null nullnullnull Elongation a null null null nullnullnull Rupture stress rRnullnulla null null nullnull0 2nullnullnull Elongation at ruptureA null null null nullnull0 2nullnull nullnullnullnull nullotes nullsee line nul
49、lnullnull1nullnull 2nullnull nullnullnull BSI 2011 null 5BS 2HR 650:2011BRITISH STANDARDTanullle 2 nullechnical renulluirements for nicnullel-chromium-titanium-molnullbdenum heat-resisting steel for forging nullcontinuednullnullnull Reference heat treatment null Sonulltened null 15null reduction 25null 1nullnull solution treated null precipitation treated null nullnull00 null10null nullnullnullt 1 hnullAnull or nullnull or nullnullnull null nullnullnull0 null10null nullnullnullt
