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 and section for machining of titanium-aluminium-molybdenum-tin-silicon allo
2、y (Tensile strength null nullnullnullnullnull nullnullnull nullPanull (nullimiting ruling section onuller nullnull mm up to and including nullnullnull mmnullnullS nullTA nullnullnullnullnullnullnullBS 2TA 46:2009 BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed
3、in this docunullent indicates nullhen the docunullent nullas last issuednullnull BSI 2009ISBN 9nullnull 0 nullnull0 6nullnull69 nullInullS 49null02nullnullnull0The nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence Anullnullnull6null Dranullt
4、 nullor conullnullent 09nullnull0null9nullnullnullnull DnullPublication historynullirst punulllished nullenullruary null9nullnullSecond nullpresentnull editionnull Nonullenullnuller 2009Amendments issued since publicationnullate Tenullt affected BRITISH STANDARDnull BSI 2009 null iBS 2TA 46:2009Cont
5、entsnullorenullord iinull Scope 1null Nornullatinulle renullerences 1null Technical renulluirenullents 1Binullliography 4nullist of tablesTanullle null null Technical renulluirenullents nullor titaniunullnullalunulliniunullnullnullolynulldenunullnulltinnullsilicon alloy nullar and section 2Summary o
6、f pagesThis docunullent conullprises a nullront conullernull an inside nullront conullernull pages i to iinull pages null to 4null an inside nullacnull conuller and a nullacnull conullernullBS 2TA 46:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPublishing informationThis British Standard i
7、s punulllished nully BSI and canulle into enullnullect on null0 Nonullenullnuller 2009null It nullas prepared nully nullanel Anullnullnull6nullnullnullnull49null Titanium and its alloysnull under the authority onull Technical nullonullnullittee Anullnullnull6nullnull Metallic materials for aerospace
8、 purposesnull A list onull organinullations represented on this conullnullittee can nulle onulltained on renulluest to its secretarynullThis British Standard supersedes BS TA 46:null9nullnullnull nullhich is nullithdranullnnullInformation about this documentThis is a nullull renullision onull BS TA
9、46null and introduces the nullollonulling principal changes:anull renulluirenullents are stated in tanullular nullornullat in accordance nullith nullN 4null00nullnull and nullN 4null00null4nullnullnull chenullical conullposition has nulleen anullended to add renulluirenullents nullor nullothernull e
10、lenullentsnullcnull nullelting 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 innullurio
11、us to health inull adenulluate 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
12、 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 ronullan nulli
13、nullenull uprightnulltypenull 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.Contractu
14、al 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 STANDARDnull
15、 BSI 2009 null nullBS 2TA 46:2009null ScopeThis standard specinulles renulluirenullents nullor titaniunullnullalunulliniunullnullnullolynulldenunullnulltinnullsilicon alloy nullar and section nullith a tensile strength onull null 0null0 nullnulla to null 220 nullnullanullnull nullormatinulle referen
16、cesThe nullollonulling 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 anullen
17、dnullentsnull appliesnullBS 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 fro
18、m nullN 4nullnullnullnull1 and nullN 4nullnullnullnull4.BS 2TA 46:20092 null null BSI 2009BRITISH STANDARDTanullle null Technical renulluirements for titanium-aluminium-molybdenum-tin-silicon alloy bar and sectionnull nullaterial designation nullS TA nullnullnull Chemical composition nullnulllenulle
19、ntAl nullo Sn Si nulle null2N2 H2 null2 null2nullN2nullthersTinullach Totalnullinnull nullnull0 nullnull0 nullnullnull 0nullnull null null null null null null nullBasenullanullnull nullnull0 nullnull0 2nullnull 0nullnull 0null2 0null2null 0null0null 0null0null2 null 0null2null 0nullnull 0null4null n
20、ullethod of melting See Section null onull BS TA null00nullnullnull nullorm Bar nullnullnullnullnull nullethod of production nullnullnullnull nullimit dimension(snull nullnull 2null null a or D G null00null Technical specification Sections null and 2 onull BS TA null00 nullnullnull nullelinullery co
21、ndition Solution treated null precipitation 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 24 h null Anullnullnullnull nullelinuller
22、y condition code nullnull nullse condition 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 concerne
23、d nullnull 2null null a or D G null00nullnull Thicnullness of cladding on each facenull nullnullnull nullirection of test piece nullnullnullTTemperature nullnull Anullnullientnullnull Proof stress Rp0null2nullnulla H 920nullnull Strength Rnullnullnulla null 0null0 G RnullG null 220nullnull Elongatio
24、n A null H 9nullnull Reduction of areanull null H 20nullnull nullardness nullnullnull Shear strength Rcnullnulla nullnullnull nullending j null nullnullnull Impact strength nullnullnullCTemperature nullnull 400nullnull Time h null00nullnull Stress ranullnulla 46nullnullnull Elongation a null G 0null
25、null0 nulltotal plastic strainnull 2nullnullnull Rupture stress rRnullnulla nullnullnull Elongation at ruptureA null nullnullnull nullotes nullsee line 9nullnullnullnullnull 2nullBRITISH STANDARDnull BSI 2009 null nullBS 2TA 46:2009Tanullle null Technical renulluirements for titanium-aluminium-molyb
26、denum-tin-silicon alloy bar and section nullcontinuednullnullnull Enullternal defects null See Section 2 onull 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 Secti
27、on 2 onull BS TA null00nullnull nullotes nullnullnullBritish Standards conullering other nullornulls onull nullaterial onull sinullilar conullposition are:Rnull nullnullnullanull nullinnull null null00 null 0null0 null 0null0 null 000nullanullnull null 2null0 null 220 null 200 null 200nullinulliting
28、 ruling section nulllrsnull nullnullnullnulllrs null 2null lrs G null00 lrs G null00 null00 null lrs G nullnull0nullornull British StandardBar and section nullor nullachiningBS TA 4null null null BS TA 49nullorging stocnull null BS TA 4null null BS TA null0nullorgings null null BS TA 4null BS TA nul
29、lnull2nullnullhen specinulled on the dranullingnull order or Inspection ScheduleBS 2TA 46:20094 null null BSI 2009BRITISH STANDARDnullibliographyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renul
30、lerenced docunullent nullincluding any anullendnullentsnull appliesnullBS TA 4nullnull nullpecinullcation for nullar and section of titaniumnullaluminiumnullmolynulldenumnulltinnullsilicon alloy nullTensile strength 1 1nullnullnull1 2nullnull MPanullnullnullimiting ruling section 2null mmnullBS TA 4
31、nullnull nullpecinullcation for forging stocnull of titaniumnullaluminiumnullmolynulldenumnulltinnullsilicon alloy nullTensile strength 1 nullnullnullnull1 22null MPanullnullnullimiting ruling section 1nullnull mmnullBS TA 4null nullpecinullcation for forgings of titaniumnullaluminiumnullmolynullden
32、umnulltinnullsilicon alloy nullTensile strength 1 nullnullnullnull1 22null MPanullnullnullimiting ruling section 1nullnull mmnullBS TA 49null nullpecinullcation for nullar and section for machining of titaniumnullaluminiumnullmolynulldenumnulltinnullsilicon alloy nullTensile strength 1 nullnullnulln
33、ull1 2nullnull MPanull nullnullimiting ruling section over 1nullnull mm up to and including 1nullnull mmnullBS TA null0null nullpecinullcation for forging stocnull of titaniumnullmolynulldenumnulltinnullsilicon alloy nullTensile strength 1 nullnullnullnull1 2nullnull MPanull nullnullimiting ruling s
34、ection over 1nullnull mm up to and including 1nullnull mmnullBS TA nullnullnull nullpecinullcation for forgings of titaniumnullaluminiumnullmolynulldenumnulltinnullsilicon alloy nullTensile strength 1 nullnullnullnull1 2nullnull MPanullnullnullimiting ruling section over 1nullnull mm up to and inclu
35、ding 1nullnull 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 material standards null Part 4
36、null 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 British Standards. It present
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