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 forging stock of titanium-aluminium-molybdenum-tin-silicon- carbon alloy (Tensi
2、le strengtnullnull nullnullnullnullnull nullnullnull nullPanull (nullimiting ruling section nullnull mmnullnullS nullTA nullnullnullnullnullnullnullBS 2TA 39:2009 BRITISH STANDARDPublisnulling and copyrignullt informationThe BSI copyright notice displayed in this document indicates nullhen the docum
3、ent nullas last issuednullnull BSI 2009ISBN 9nullnull 0 nullnull0 nullnull3nullnull 3InullS null9null02nullnull30The nullollonulling BSI renullerences relate to the nullornull on this standard: nullommittee renullerence Anullnullnullnullnull Dranullt nullor comment 09null30null93nullnullnull DnullPu
4、blication nullistorynullirst punulllished Septemnuller null9nullnullSecond nullpresentnull editionnull Nonullemnuller 2009Amendments issued since publicationnullate Tenullt affected BRITISH STANDARDnull BSI 2009 null iBS 2TA 39:2009Contentsnullorenullord iinull Scope 1null Normatinulle renullerences
5、 1null Technical renulluirements 1Binullliography 4nullist of tablesTanullle null null Technical renulluirements nullor titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullorging stocnull 2Summary of pagesThis document comprises a nullront conullernull an inside nullront
6、conullernull pages i to iinull pages null to nullnull an inside nullacnull conuller and a nullacnull conullernullBS 2TA 39:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPublisnulling informationThis British Standard is punulllished nully BSI and came into enullnullect on 30 Nonullemnuller 2
7、009null It nullas prepared nully nullanel Anullnullnullnullnullnullnullnullnull9null Titanium and its alloysnull under the authority onull Technical nullommittee Anullnullnullnullnullnull Metallic materials for aerospace purposesnull A list onull organinullations represented on this committee can nu
8、lle onulltained on renulluest to its secretarynullSupersessionThis British Standard supersedes BS TA 39:null9nullnullnull nullhich is nullithdranullnnullInformation about tnullis documentThis is a nullull renullision onull BS TA 39null and introduces the nullollonulling principal changes:anull renul
9、luirements are stated in tanullular nullormat in accordance nullith nullN nullnull00nullnull and nullN nullnull00nullnullnullnullnull chemical composition has nulleen amended to add renulluirements nullor nullothernull elementsnullcnull melting method details hanulle nulleen deleted and replaced nul
10、ly renullerence to Section null onull BS TA null00nullnullanullard 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 tech
11、nical suitanullility and does not anullsolnulle the user nullrom legal onullligations relating to health and sanullety at any stagenullnullse of tnullis documentIt has nulleen assumed in the preparation onull this British Standard that the enullecution onull its pronullisions nullill nulle entrusted
12、 to appropriately nullualinulled and enullperienced peoplenull nullor nullhose use it has nulleen producednullPresentational connullentionsThe pronullisions onull this standard are presented in roman nullinullenull uprightnulltypenull Its renulluirements are enullpressed in sentences in nullhich the
13、 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 necessary pronu
14、llisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullCompliance nullitnull a nullritisnull Standard cannot confer immunity from legal obligationsnullBRITISH STANDARDnull BSI 2009 null nullBS 2TA 39:2009null ScopeThis British Standard specinulles renulluirements
15、 nullor titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullorging stocnull nullith a tensile strength onull null 2null0 nullnulla to null null20 nullnullanullnull nullormatinulle referencesThe nullollonulling renullerenced documents are indispensanullle nullor the applic
16、ation 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 TA null00null Procedure for inspection, testing and acceptance of wrough
17、t titanium and titanium alloysnull Tecnullnical renulluirementsnullaterial to this standard shall connullorm to Tanullle nullnullNnullTnull The format and symnullols used in Tanullle 1 are derived from nullN 4nullnullnullnull1 and nullN 4nullnullnullnull4.BS 2TA 39:20092 null null BSI 2009BRITISH ST
18、ANDARDTanullle null Tecnullnical renulluirements for titanium-aluminium-molybdenum-tin-silicon-carbon alloy forging stocknull nullaterial designation nullS TA nullnullnull Cnullemical composition nullnulllementAl nullo Sn Si nulle null null2N2 H2 nullthersTinullach Totalnullinnull 3null00 3null00 3n
19、ull00 0null30 null 0null0null null null null null nullBasenullanullnull nullnull00 nullnull00 nullnull00 0nullnull0 0null20 0null20 0null2null 0null0null 0null0null2 null 0nullnull0 0nullnull0null nulletnullod of melting See Section null onull BS TA null00nullnullnull nullorm nullorging stocnull nul
20、lnullnullnullnull nulletnullod of production nullnullnullnull nullimit dimension(snull mm a or D G 2nullnull Tecnullnical specification Sections null and 3 onull BS TA null00 nullnullnull nullelinullery condition Asnullnullorgednull hot rolled or enulltruded 2nullnull centreless ground or machinednu
21、lleat treatment nullnullnullnull nullelinullery condition code nullnull nullse condition Delinullery conditionnulleat treatment nullCnullaracteristicsnullnullnull Test sample(snull See Section 3 onull BS TA null00nullnullnull Test piece(snull See Section 3 onull BS TA null00nullnullnull nulleat trea
22、tment Renullerence nullsee nulline 29nullnull nullimensions concerned mm a or D G 2nullnullnull Tnullickness of cladding on eacnull facenull nullnullnull nullirection of test piece nullnullnullTTemperature nullnull Amnullientnullnull Proof stress Rp0null2nullnulla H null 09nullnullnull Strengtnull R
23、mnullnulla null 2null0 G Rm G null null20nullnull Elongation A null H nullnullnull Reduction of areanull null H 20nullnull nullardness nullnullnull Snullear strengtnull Rcnullnulla nullnullnull nullending j null nullnullnull Impact strengtnull nullnullnullCTemperature nullnull nullnullnull Time h nu
24、llnullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rupture stress rRnullnulla nullnullnull Elongation at ruptureA null nullnullnull nullotes nullsee line 9nullnullnullnullnull 2nullBRITISH STANDARDnull BSI 2009 null 3BS 2TA 39:2009Tanullle null Tecnullnical renulluirements for
25、 titanium-aluminium-molybdenum-tin-silicon-carbon alloy forging stock nullcontinuednullnullnull Reference nulleat treatment null Solution treated null precipitation treated: null null900 null0null nullnull null t null null h per 2null mm nullH 20 minnull null Anull null null nullnull00 nullnull null
26、null null t null 2null h null Anullnullnull Enullternal defects null See Section 3 onull BS TA null00nullnull Surface contamination null See Section 3 onull BS TA null00nullnull nullarking null See Section 3 onull BS TA null00nullnull nullimensional inspection null See Section 3 onull BS TA null00nu
27、llnull nullotes nullnullnullBritish Standards conullering other nullorms onull material onull similar composition are:Rm nullnullnullanull minnull null 20null null 2null0manullnull null 3nullnull null null20nullimiting ruling section nulllrsnull nullmmnull 2null null lrs G nullnull lrs G 2nullnullor
28、m British StandardBar nullor machining BS TA null0 BS TA 3nullnullorging stocnull BS TA nullnull nullnullorgings BS TA null2 null2nullAt the discretion onull the manunullacturer the material may nulle stress relienulled nullnull00 nullnull G G null00 nullnull null t G 3 hnullnullBS 2TA 39:2009null n
29、ull null BSI 2009BRITISH STANDARDnullibliograpnullyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced document nullincluding any amendmentsnull appliesnullBS TA 3nullnull nullpecinullcati
30、on for nullar for machining of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 42null MPanullnullnullimiting ruling section 2null mmnullBS TA null0null nullpecinullcation for nullar for machining of titaniumnullaluminiumnullmolynullde
31、numnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 nullnullnull MPanullnullnullimiting ruling section over 2null mm up to and including nullnull mmnullBS TA nullnullnull nullpecinullcation for forging stocnull of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnul
32、lcarnullon alloy nullTensile strength 1 2nullnullnull1 nullnullnull MPanullnullnullimiting ruling section over 2null mm up to and including nullnull mmnullBS TA null2null nullpecinullcation for forgings of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile streng
33、th 1 2nullnullnull1 nullnullnull MPanullnullnullimiting ruling section over 2null mm up to and including nullnull mmnullnullN nullnull00nullnullnull Metallic materials null nullules for the drafting and presentation of material standards null Part 1null nulleneral rules nullnullnullN nullnull00nulln
34、ullnull Metallic materials null nullules for the drafting and presentation of material standards null Part 4null nullpecinullc rules for titanium and titanium alloys nullnullnullnullnullunulllished as ASDnullSTAN nullrestandard at the date onull punulllication onullthis standardnullThis page deliber
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