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 nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy sheet and strip
2、(nullickel basenullCr nullnullnullnullnull Co nullnullnullnullnull nulli nullnullnullnull Al nullnullnullnullnullS nullnullR nullnullnullnullnullnullnullnullBS 3HR 202:2009 BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed in this document indicates nullhen the d
3、ocument nullas last issuednullnull BSI 2009ISBN 9nullnull 0 nullnull0 nullnull30null nullInullS null9null02nullnull99The nullollonulling BSI renullerences relate to the nullornull on this standard: nullommittee renullerence Anullnullnullnullnull Dranullt nullor comment 09null3020null203 DnullPublica
4、tion historynullirst punulllished nulluly null9nullnullSecond editionnull nullenullruary null9null3Third nullpresentnull editionnull Nonullemnuller 2009Amendments issued since publicationnullate nullenullt affected BRITISH STANDARDnull BSI 2009 null iBS 3HR 202:2009Contentsnullorenullord iinull Scop
5、e 1null Normatinulle renullerences 1null Technical renulluirements 1Binullliography 4nullist of tablesTanullle null null Technical renulluirements nullor nicnullelnullchromiumnullconullaltnulltitaniumnullaluminium heatnullresisting alloy sheet and strip 2Summary of pagesThis document comprises a nul
6、lront conullernull an inside nullront conullernull pages i to iinull pages null to nullnull an inside nullacnull conuller and a nullacnull conullernullBS 3HR 202:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPublishing informationThis British Standard is punulllished nully BSI and came into
7、 enullnullect on 30 Nonullemnuller 2009null It nullas prepared nully nullanel Anullnullnullnullnullnullnullnullnullnullnull Heat resisting alloysnull under the authority onull Technical nullommittee Anullnullnullnullnullnull Metallic materials for aerospace purposesnull A list onull organinullations
8、 represented on this committee can nulle onulltained on renulluest to its secretarynullSupersessionThis British Standard supersedes BS 2HR 202:null9null3null nullhich is nullithdranullnnullInformation about this documentThis is a nullull renullision onull BS HR 202null The principal change nullrom t
9、he prenullious edition is that the renulluirements are stated in tanullular nullormat in accordance nullith nullN nullnull00nullnull and nullN nullnull00null3nullnullanullard nullarningsnullARnullInullnullnull This British Standard calls nullor the use onull sunullstances andnullor procedures that c
10、an 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 documentIt has nulleen assumed in the prep
11、aration 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 r
12、oman 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 element.Co
13、ntractual and legal considerationsThis 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 STAND
14、ARDnull BSI 2009 null nullBS 3HR 202:2009null ScopeThis British Standard specinulles renulluirements nullor nicnullelnullchromiumnullconullaltnulltitaniumnullaluminium heatnullresisting alloy sheet and stripnullnull nullormatinulle referencesThe nullollonulling renullerenced documents are indispensa
15、nullle 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 null00null Procedure for inspection and testi
16、ng of wrought heatresisting alloysnull nullechnical renulluirementsnullaterial to this standard shall connullorm to Tanullle nullnullnullnullnullnull nullhe format and symnullols used in nullanullle 1 are derived from nullnull 4nullnullnull1 and nullnull 4nullnullnullnull.BS 3HR 202:20092 null null
17、BSI 2009BRITISH STANDARDTanullle null nullechnical renulluirements for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy sheet and stripnull nullaterial designation nullS nullR nullnullnullnull Chemical composition nullnulllement null Si nulln S Ag Al B Binullinnull null null null null
18、null nullnull0 null nullnullanullnull 0nullnull3 nullnull0 nullnull0 0null0nullnull null ppm 2null0 0null020 null ppmnulllement nullo nullr nullu nulle nullnull Ti nullr Ninullinnull nullnullnull0 nullnullnull0 null null null 2null0 nullBasenullanullnull 2nullnull0 2nullnull0 0null2 nullnullnull 20
19、ppm 3null0 0nullnullnullnull nullethod of melting Induction melted and cast in airnull induction meltednull nullacuum renullned and cast in airnull consumanullle electrode remeltednullnullnull nullorm Sheet and stripnullnullnull nullethod of production Rollednullnullnull nullimit dimension(snull mm
20、0null2null G a G 3null0null nullechnical specification Sections null and null onull BS HR null00nullnullnull nullelinullery condition nullold rollednull sonulltened and descaled nulleat treatment null null00 nullnull G G null nullnull0 nullnull null null min G t G null0 min null Anull or nullnull or
21、 nullnullnullnullnull nullelinullery condition code Anull nullse condition Sonulltened null precipitation treatednulleat treatment Delinullery condition null null nullnullnull0 null0null nullnull null t null null h null AnullCharacteristicsnullnullnull nullest sample(snull See Section null onull BS
22、HR null00nullnullnull nullest piece(snull See Section null onull BS HR null00nullnullnull nulleat treatment Delinullery conditionnullse condition Renullerence nullnullnullsee line 29nullnull nullimensions concerned mm null 0null2null G a G 0null3null 0null3null null a G 0nullnullnull 0nullnullnull n
23、ull a G 3null0 nullnullnull nullhickness of cladding on each facenull nullnullnull nullirection of test piece null null or nullT null or nullTnullnullnullnullemperature nullnull Amnullient Amnullient nullnullnull Proof stress Rp0null2nullnulla null H null9null H null9null H null9null nullnullnull St
24、rength Rmnullnulla null H null 0null0 H null 0null0 H null 0null0 nullnullnull Elongation A null null H nullnull H 20 H 2null nullnullnull Reduction of areanull null nullnullnull nullardness Hnull G 2null0 Hnull H 2null0 nullnullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnull
25、0null a nullnullnull0null null nullnullnull Impact strength nullnullnullCnullemperature nullnull null nullnull0nullnull nullime h null tRH 30nullnull Stress anullnulla nullnullnull Elongation a null nullnullnull Rupture stress Rnullnulla null nullnull0nullnull Elongation at ruptureA null nullnullnul
26、l nullotes nullsee line 9nullnullnullnullBRITISH STANDARDnull BSI 2009 null 3BS 3HR 202:2009Tanullle null nullechnical renulluirements for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy sheet and strip nullcontinuednullnullnull Reference heat treatment Solution treated null precipita
27、tion treated null nullnull 0null0 null0null nullnull null t null null h null Anull or nullnull or nullnull null null nullnull00 null0null nullnull null t null nullnull h null Anullnullnull Enullternal defects See Section null onull BS HR null00nullnull nullarking null See Section null onull BS HR nu
28、ll00nullnull nullimensional inspection null See Section null onull BS HR null00nullnull nullotes nullnullnullTests may nulle carried out on the sheet or strip or at a connullenient stage prior to manunullacture onull the sheet or stripnullBS 3HR 202:2009null null null BSI 2009BRITISH STANDARDnullibl
29、iographyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced document nullincluding any amendmentsnull appliesnullnullN nullnull00nullnullnull Metallic materials null nullules for the draft
30、ing and presentation of material standards null Part 1null nulleneral rules nullnullnullN nullnull00null3null Metallic materials null nullules for the drafting and presentation of material standards null Part nullnull nullpecinullc rules for heat resisting alloys nullnullnullnullnullunulllished as A
31、SDnullSTAN 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 incorporated by Roy
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