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 nullnull mmnullnullS nullTA nullnullnullnullnullnullnullBS 2TA 38:2009 BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed in this docunullent indicates nullhen the docunull
3、ent nullas last issuednullnull BSI 2009ISBN 9null8 0 null80 nullnull3null3 nullInullS null9null02nullnull30The nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence Anullnullnullnullnull Dranullt nullor conullnullent 09null30null93nullnull9 Dnul
4、lPublication historynullirst punulllished Septenullnuller null9nullnullSecond nullpresentnull editionnull Nonullenullnuller 2009Amendments issued since publicationnullate Tenullt affected BRITISH STANDARDnull BSI 2009 null iBS 2TA 38:2009Contentsnullorenullord iinull Scope 1null Nornullatinulle renu
5、llerences 1null Technical renulluirenullents 1Binullliography 4nullist of tablesTanullle null null Technical renulluirenullents nullor titaniunullnullalunulliniunullnullnullolynulldenunullnulltinnullsiliconnullcarnullon alloy nullar 2Summary of pagesThis docunullent conullprises a nullront conullern
6、ull an inside nullront conullernull pages i to iinull pages null to nullnull an inside nullacnull conuller and a nullacnull conullernullBS 2TA 38:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPublishing informationThis British Standard is punulllished nully BSI and canulle into enullnullect
7、 on 30 Nonullenullnuller 2009null It nullas prepared nully nullanel Anullnullnullnullnullnullnullnullnull9null Titanium and its alloysnull under the authority onull Technical nullonullnullittee Anullnullnullnullnullnull Metallic materials for aerospace purposesnull A list onull organinullations repr
8、esented on this conullnullittee can nulle onulltained on renulluest to its secretarynullSupersessionThis British Standard supersedes BS TA 38:null9nullnullnull nullhich is nullithdranullnnullInformation about this documentThis is a nullull renullision onull BS TA 38null and introduces the nullollonu
9、lling principal changes:anull renulluirenullents are stated in tanullular nullornullat in accordance nullith nullN nullnull00nullnull and nullN nullnull00nullnullnullnullnull chenullical conullposition has nulleen anullended to add renulluirenullents nullor nullothernull elenullentsnullcnull nullelt
10、ing nullethod details hanulle nulleen deleted and replaced 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 adenullu
11、ate 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 preparation onull this British Standard that
12、 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 ronullan nullinullenull uprightnulltypenu
13、ll Its renulluirenullents 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.Contractual and legal considerations
14、This 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 STANDARDnull BSI 2009 null nullBS 2TA 3
15、8:2009null ScopeThis British Standard specinulles renulluirenullents nullor titaniunullnullalunulliniunullnullnullolynulldenunullnulltinnullsiliconnullcarnullon alloy nullar nullith a tensile strength onullnull 2null0 nullnulla to null null20 nullnullanullnull nullormatinulle referencesThe nullollon
16、ulling renullerenced docunullents are indispensanullle nullor the application onull this docunullentnull nullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced docunullent nullincluding any anullendnullentsnull ap
17、pliesnullBS TA null00null Procedure for inspection, testing and acceptance of wrought titanium and titanium alloysnull Technical renulluirementsnullaterial to this standard shall connullornull to Tanullle nullnullNnullTnull The format and symnullols used in Tanullle 1 are derived from nullN 4nullnul
18、lnullnull1 and nullN 4nullnullnullnull4.BS 2TA 38:20092 null null BSI 2009BRITISH STANDARDTanullle null Technical renulluirements for titanium-aluminium-molybdenum-tin-silicon-carbon alloy barnull nullaterial designation nullS TA nullnullnull Chemical composition nullnulllenullentAl nullo Sn Si null
19、e null null2N2 H2 nullthersTinullach Totalnullinnull 3null00 3null00 3null00 0null30 null 0null0null null null null null nullBasenullanullnull nullnull00 nullnull00 nullnull00 0nullnull0 0null20 0null20 0null2null 0null0null 0null0null2 null 0nullnull0 0nullnull0null nullethod of melting See Section
20、 null onull BS TA null00nullnullnull nullorm Bar nullnullnullnullnull nullethod of production nullnullnullnull nullimit dimension(snull nullnull a or D G 2nullnull Technical specification Sections null and 2 onull BS TA null00 nullnullnull nullelinullery condition Solution treated null precipitation
21、 treated null centreless ground or nullachinednulleat treatment null null900 null0null nullnull null t null null h per 2null nullnull nullH 20 nullinnull null Anull null null nullnull00 nullnull nullnull null t null 2null h null Anullnullnullnull nullelinullery condition code nullnull nullse conditi
22、on Delinullery conditionnulleat treatment nullCharacteristicsnullnullnull Test sample(snull See Section 2 onull BS TA null00nullnullnull Test piece(snull See Section 2 onull BS TA null00nullnullnull nulleat treatment nullse conditionnull nullimensions concerned nullnull a or D G 2nullnullnull Thicnu
23、llness of cladding on each facenull nullnullnull nullirection of test piece nullnullnullTTemperature nullnull Anullnullientnullnull Proof stress Rp0null2nullnulla H null 09nullnullnull Strength Rnullnullnulla null 2null0 G Rnull G null null20nullnull Elongation A null H 8nullnull Reduction of areanu
24、ll null H 20nullnull nullardness nullnullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnullnull Impact strength nullnullnullCTemperature nullnull nullnullnull Time h nullnullnull Stress ranullnulla nullnullnull Elongation a null nullnullnull Rupture stress rRnullnulla nullnullnu
25、ll Elongation at ruptureA null nullnullnull nullotes nullsee line 98nullnullnullBRITISH STANDARDnull BSI 2009 null 3BS 2TA 38:2009Tanullle null Technical renulluirements for titanium-aluminium-molybdenum-tin-silicon-carbon alloy bar nullcontinuednullnullnull Enullternal defects null See Section 2 on
26、ull BS TA null00nullnull Surface contamination null See Section 2 onull BS TA null00nullnull nullarnulling null See Section 2 onull BS TA null00nullnull nullimensional inspection null See Section 2 onull BS TA null00nullnull nullotes nullnullnullBritish Standards conullering other nullornulls onull
27、nullaterial onull sinullilar conullposition are:Rnull nullnullnullanull nullinnull null 20null null 2null0nullanullnull null 3nullnull null null20nullinulliting ruling section nulllrsnull nullnullnullnull 2null G lrs G nullnull lrs G 2nullnullornull British StandardBar nullor nullachining BS TA null
28、0 nullnullorging stocnull BS TA nullnull BS TA 39nullorgings BS TA null2 nullBS 2TA 38:2009null null null BSI 2009BRITISH STANDARDnullibliographyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renul
29、lerenced docunullent nullincluding any anullendnullentsnull appliesnullBS TA 39null nullpecinullcation for forging stocnull of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 42null MPanullnullnullimiting ruling section 2null mmnullBS
30、 TA null0null nullpecinullcation for nullar for machining of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 nullnullnull MPanull nullnullimiting ruling section over 2null mm up to and including nullnull mmnullBS TA nullnullnull nullp
31、ecinullcation for forging stocnull of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 nullnullnull MPanullnullnullimiting ruling section over 2null mm up to and including nullnull mmnullBS TA null2null nullpecinullcation for forgings
32、of titaniumnullaluminiumnullmolynulldenumnulltinnullsiliconnullcarnullon alloy nullTensile strength 1 2nullnullnull1 nullnullnull MPanullnullnullimiting ruling section over 2null mm up to and including nullnull mmnullnullN nullnull00nullnullnull Metallic materials null nullules for the drafting and
33、presentation of material standards null Part 1null nulleneral rules nullnullnullN nullnull00nullnullnull Metallic materials null nullules for the drafting and presentation of material standards null Part 4null nullpecinullc rules for titanium and titanium alloys nullnullnullnullnullunulllished as AS
34、DnullSTAN 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 Roya
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