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 bar for machining of titanium-aluminium-molybdenum-tin-silicon-carbon alloy (Te
2、nsile strength null nullnullnullnullnull nullnullnull nullPanull(nullimiting ruling section onuller nullnull mm up to and including nullnull mmnullnullS nullTA nullnullnullnullnullnullnullBS 2TA 40:2009 BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed in this do
3、cument indicates nullhen the document nullas last issuednullnull BSI 2009ISBN 9nullnull 0 nullnull0 nullnullnullnullnull 0InullS 49null02nullnullnull0The nullollonulling BSI renullerences relate to the nullornull on this standard: nullommittee renullerence Anullnullnullnullnull Dranullt nullor comme
4、nt 09nullnull0null9nullnullnullnull DnullPublication historynullirst punulllished Septemnuller null9nullnullSecond nullpresentnull editionnull Nonullemnuller 2009Amendments issued since publicationnullate Tenullt affected BRITISH STANDARDnull BSI 2009 null iBS 2TA 40:2009Contentsnullorenullord iinul
5、l Scope 1null Normatinulle renullerences 1null Technical renulluirements 1Binullliography 4nullist of tablesTanullle null null Technical renulluirements nullor titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullar 2Summary of pagesThis document comprises a nullront conul
6、lernull an inside nullront conullernull pages i to iinull pages null to 4null an inside nullacnull conuller and a nullacnull conullernullBS 2TA 40:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPublishing informationThis British Standard is punulllished nully BSI and came into enullnullect o
7、n null0 Nonullemnuller 2009null It nullas prepared nully nullanel Anullnullnullnullnullnullnullnull49null Titanium and its alloysnull under the authority onull Technical nullommittee Anullnullnullnullnullnull Metallic materials for aerospace purposesnull A list onull organinullations represented on
8、this committee can nulle onulltained on renulluest to its secretarynullSupersessionThis British Standard supersedes BS TA 40:null9nullnullnull nullhich is nullithdranullnnullInformation about this documentThis is a nullull renullision onull BS TA 40null and introduces the nullollonulling principal c
9、hanges:anull renulluirements are stated in tanullular nullormat in accordance nullith nullN 4null00nullnull and nullN 4null00null4nullnullnull chemical composition has nulleen amended to add renulluirements nullor nullothernull elementsnullcnull melting method details hanulle nulleen deleted and rep
10、laced nully 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 onl
11、y 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 preparation onull this British Standard that the enullecution onull its pronullisions nullill nulle ent
12、rusted 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 nullhi
13、ch 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 necessary
14、 pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullCompliance nullith a nullritish Standard cannot confer immunity from legal obligationsnullBRITISH STANDARDnull BSI 2009 null nullBS 2TA 40:2009null ScopeThis British Standard specinulles renulluirements
15、 nullor titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullar nullith a tensile strength onullnull 20null nullnulla to null nullnullnull nullnullanullnull nullormatinulle referencesThe nullollonulling renullerenced documents are indispensanullle nullor the application on
16、ull 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 wrought titani
17、um and titanium alloysnull Technical 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 40:20092 null null BSI 2009BRITISH STANDARDTanul
18、lle null Technical renulluirements for titanium-aluminium-molybdenum-tin-silicon-carbon alloy barnull nullaterial designation nullS TA nullnullnull Chemical composition nullnulllementAl nullo Sn Si nulle null null2N2 H2 nullthersTinullach Totalnullinnull nullnull00 nullnull00 nullnull00 0nullnull0 n
19、ull 0null0null null null null null nullBasenullanullnull nullnull00 nullnull00 nullnull00 0nullnull0 0null20 0null20 0null2null 0null0null 0null0null2 null 0nullnull0 0null40null nullethod of melting See Section null onull BS TA null00nullnullnull nullorm Bar nullnullnullnullnull nullethod of produc
20、tion nullnullnullnull nullimit dimension(snull mm 2null null a or D G nullnullnull Technical specification Sections null and 2 onull BS TA null00 nullnullnull nullelinullery condition Solution treated null precipitation treated null centreless ground or machinednulleat treatment null null900 null0nu
21、ll nullnull null t null null h per 2null mm nullH 20 minnull null Anull null null nullnull00 nullnull nullnull null t null 24 h null Anullnullnullnull nullelinullery condition code nullnull nullse condition Delinullery conditionnulleat treatment nullCharacteristicsnullnullnull Test sample(snull See
22、Section 2 onull BS TA null00nullnullnull Test piece(snull See Section 2 onull BS TA null00nullnullnull nulleat treatment nullse conditionnull nullimensions concerned mm 2null null a or D G nullnullnullnull Thicnullness of cladding on each facenull nullnullnull nullirection of test piece nullnullnull
23、TTemperature nullnull Amnullientnullnull Proof stress Rp0null2nullnulla H null 0nullnullnullnull Strength Rmnullnulla null 20null G Rm G null nullnullnullnullnull Elongation A null H nullnullnull Reduction of areanull null H 20nullnull nullardness nullnullnull Shear strength Rcnullnulla nullnullnull
24、 nullending j null nullnullnull Impact strength nullnullnullCTemperature nullnull nullnullnull Time h nullnullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rupture stress rRnullnulla nullnullnull Elongation at ruptureA null nullnullnull nullotes nullsee line 9nullnullnullnullBR
25、ITISH STANDARDnull BSI 2009 null nullBS 2TA 40:2009Tanullle null Technical renulluirements for titanium-aluminium-molybdenum-tin-silicon-carbon alloy bar nullcontinuednullnullnull Enullternal defects null See Section 2 onull BS TA null00nullnull Surface contamination null See Section 2 onull BS TA n
26、ull00nullnull nullarnulling null See Section 2 onull BS TA null00nullnull nullimensional inspection null See Section 2 onull BS TA null00nullnull nullotes nullnullnullBritish Standards conullering other nullorms onull material onull similar composition are:Rm nullnullnullanull minnull null 20null nu
27、ll 2null0manullnull null nullnullnull null 420nullimiting ruling section nulllrsnull nullmmnull 2null null lrs G nullnull lrs G 2nullnullorm British StandardBar nullor machining null BS TA nullnullnullorging stocnull BS TA 4null BS TA null9nullorgings BS TA 42 nullBS 2TA 40:20094 null null BSI 2009B
28、RITISH STANDARDnullibliographyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced document nullincluding any amendmentsnull appliesnullBS TA nullnullnull nullpecinullcation for nullar for
29、machining of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 42null MPanullnullnullimiting ruling section 2null mmnullBS TA null9null nullpecinullcation for forging stocnull of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconn
30、ullcarnullon alloy nullTensile strength 1 2nullnullnull1 42null MPanullnullnullimiting ruling section 2null mmnullBS TA 4nullnull nullpecinullcation for forging stocnull of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 nullnullnull
31、MPanullnullnullimiting ruling section over 2null mm up to and including nullnull mmnullBS TA 42null nullpecinullcation for forgings of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 nullnullnull MPanullnullnullimiting ruling section
32、over 2null mm up to and including nullnull mmnullnullN 4null00nullnullnull Metallic materials null nullules for the drafting and presentation of material standards null Part 1null nulleneral rules nullnullnullN 4null00null4null Metallic materials null nullules for the drafting and presentation of ma
33、terial standards null Part 4null nullpecinullc rules for titanium and titanium alloys nullnullnullnullnullunulllished as ASDnullSTAN nullrestandard at the date onull punulllication onullthis standardnullThis page deliberately left blankBSI is the independent national body responsible for preparing B
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