1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationAEROSPACE SERIESSpecification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy plate, sheet and strip nullCobalt base, Cr nullnull, null nullnull, nulli nullnul
2、l, nulln nullnullnullnullnullS nullnullR nullnullnullnullnullnullnullnullBS 2HR 240:2011 BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed in this document indicates nullhen the document nullas last issuednullnull BSI 2011ISBN nullnullnull 0 nullnull0 null02null0
3、 nullInullS 4nullnull02nullnullnullnullThe nullollonulling BSI renullerences relate to the nullornull on this standard: nullommittee renullerence Anullnullnullnull1 Dranullt nullor comment 10nullnull021null2null2 DnullPublication historynullirst punulllished nullctonuller 1nullnull2Second nullpresen
4、tnull edition nullanuary 2011Amendments issued since publicationnullate nullenullt affected null BSI 2011 null iBS 2HR 240:2011BRITISH STANDARDContentsnullorenullord iinull Scope 1null Normatinulle renullerences 1null Technical renulluirements 1Binullliography 4nullist of tablesTanullle 1 null Techn
5、ical renulluirements nullor conullaltnullchromiumnulltungstennullnicnullelnullmanganese heatnullresisting alloy platenull sheet and strip 2Summary of pagesThis document comprises a nullront conullernull an inside nullront conullernull pages i to iinull pages 1 to 4null an inside nullacnull conuller
6、and a nullacnull conullernullBS 2HR 240:2011ii null null BSI 2011BRITISH STANDARDnullorenullordPublishing informationThis British Standard is punulllished nully BSI and came into enullnullect on null1 nullanuary 2011null It nullas prepared nully nullanel Anullnullnullnull1nullnullnull4nullnull Heat
7、resisting alloys for aerospace purposesnull under the authority onull Technical nullommittee Anullnullnullnull1null Metallic materials for aerospace purposesnull A list onull organinullations represented on this committee can nulle onulltained on renulluest to its secretarynullSupersessionThis stand
8、ard supersedes BS HR 240:1nullnull2null nullhich is nullithdranullnnullInformation about this documentThis is a nullull renullision onull BS HR 240null The principal change nullrom the prenullious edition is that renulluirements are stated in tanullular nullormat in accordance nullith nullN 4null00n
9、ull1 and nullN 4null00nullnullnullnullanullard nullarningsnullARnullInullnullnull This British Standard calls nullor the use onull sunullstances andnullor procedures that can nulle innullurious to health inull adenulluate precautions are not tanullennull It renullers only to technical suitanullility
10、 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 Standard that the enullecution onull its pronullisions nullill nulle entrusted to appropriately nullu
11、alinulled and enullperienced peoplenull nullor nullhose use it has nulleen producednullPresentational connullentionsThe pronullisions onull this standard are presented in roman nullinullenull uprightnulltypenull Its methods are enullpressed either as a set onull instructions or in sentences in nullh
12、ich 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 considerationsThis punulllication does not purport to include all the necessar
13、y pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullCompliance nullith a nullritish Standard cannot confer immunity from legal obligationsnullnull BSI 2011 null 1BS 2HR 240:2011BRITISH STANDARDnull ScopeThis British Standard specinulles renulluirements
14、nullor conullaltnullchromiumnulltungstennullnicnullelnullmanganese heatnullresisting alloy platenull sheet and stripnullnull nullormatinulle referencesThe nullollonulling renullerenced documents are indispensanullle nullor the application onull this documentnull nullor dated renullerencesnull only t
15、he edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced document nullincluding any amendmentsnull appliesnullBS HR 100null Procedure for inspection, testing and acceptance of wrought heat resisting alloysnull nullechnical renulluirementsnullaterial to
16、 this standard shall connullorm to Tanullle 1nullNnullnullnull nullhe format and symnullols used in nullanullle 1 are derived from nullN 4nullnullnullnull1 and nullN 4nullnullnullnullnull.BS 2HR 240:20112 null null BSI 2011BRITISH STANDARDTanullle 1 nullechnical renulluirements for cobalt-chromium-t
17、ungsten-nickel-manganese heat-resisting alloy plate, sheet and stripnull nullaterial designation nullS nullR nullnullnullnull Chemical composition nullnulllement null Si nulln null S nullr nulle Ni null nullonullinnull 0null0null null 1null0 null null 1nullnull0 null nullnull0 14null0Basenullanullnu
18、ll 0null1null 0null4 2null0 0null040 0null0null0 21null0 nullnull0 11null0 1nullnull0null nullethod of melting Air meltednull nullacuum meltednull air melted and nullacuum renullnednull consumanullle electrode remeltednullnullnull nullorm nulllatenull sheet and stripnullnullnull nullethod of product
19、ion Rollednullnullnull nullimit dimensionnullsnull mm nullnull nullechnical specification Sections 1 and null onull BS HR 100nullnullnull nullelinullery condition Annealed and descaled or annealed in a protectinulle atmospherenulleat treatment 1 1nullnull nullnull 1 20null nullnull null rapid coolnu
20、llnullnull nullelinullery condition code nullnull nullse condition Delinullery conditionnulleat treatment nullCharacteristicsnullnullnull nullest samplenullsnull See Section null onull BS HR 100nullnullnull nullest piecenullsnull See Section null onull BS HR 100nullnullnull nulleat treatment nullse
21、conditionnull nullimensions concerned mm nullnullnull nullhickness of cladding on each facenull nullnullnull nullirection of test piece null or nullTnullnullnullnullemperature nullnull Amnullientnullnull Proof stress Rp0null2nullnulla nullnull0 Rp0null2 nullnull0nullnull Strength Rmnullnulla nullnul
22、l0nullnull Elongation A null nullnullnullnull Reduction of areanull null nullnullnull nullardness Hnull 2null0nullnull Shear strength Rcnullnulla nullnullnull nullending j null a 1nullnull mm: 0nullnullnullnull a null 1null0null 1nullnull null a nullnull0 : 1null0 null a null 120nullnullnull Impact
23、strength nullnullnullCnullemperature nullnull null1nullnullnull nullime h tR 2nullnullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rupture stress rRnullnulla 1nullnullnullnull Elongation at ruptureA null 10nullnull nullotes nullsee line nullnullnull nullnull BSI 2011 null null
24、BS 2HR 240:2011BRITISH STANDARDTanullle 1 nullechnical renulluirements for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy plate, sheet and strip nullcontinuednullnullnull nullrain sinulle null See Section 1 onull BS HR 100null Transnullerse samplenull nullse conditionnull nullanullim
25、um anullerage transnullerse grain sinulle diameter 0null1null0 mmnull nullccasional grains onull up to 0null2null0 mm are permittednullnullnull Enullternal defects null See Section null onull BS HR 100nullnull nullarking null See Section null onull BS HR 100nullnull nullimensional inspection null Se
26、e Section null onull BS HR 100nullnull nullotes null nullBS 2HR 240:20114 null null BSI 2011BRITISH STANDARDnullibliographyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced document null
27、including any amendmentsnull appliesnullnullN 4null00null1null Metallic materials null nullules for the drafting and presentation of material standards null Part 1null nulleneral rules 1nullnullN 4null00nullnullnull Metallic materials null nullules for the drafting and presentation of material stand
28、ards 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 ot
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