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 commercially pure titanium (Tensile strength 5
2、nullnullnullnullnullnull nullPanullnullS nullTA nullnullnullnullnullnullBS 3TA 7:2009 BRITISH STANDARDPublishing and copyright informationThe BSI copyright notice displayed in this docunullent indicates nullhen the docunullent nullas last issuednullnull BSI 2009ISBN 97null 0 nullnull0 nullnull3nulln
3、ull nullInullS null9null02nullnull30The nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence Anullnullnullnullnull Dranullt nullor conullnullent 09null30null932nullnull DnullPublication historynullirst punulllished null9nullnullSecond editionnu
4、ll April null973Third nullpresentnull editionnull Nonullenullnuller 2009Amendments issued since publicationnullate Tenullt affected BRITISH STANDARDnull BSI 2009 null iBS 3TA 7:2009Contentsnullorenullord iinull Scope 1null Nornullatinulle renullerences 1null Technical renulluirenullents 1Binullliogr
5、aphy 4nullist of tablesTanullle null null Technical renulluirenullents nullor conullnullercially pure titaniunull nullar and section 2Summary of pagesThis docunullent conullprises a nullront conullernull an inside nullront conullernull pages i to iinull pages null to nullnull an inside nullacnull co
6、nuller and a nullacnull conullernullBS 3TA 7:2009ii null null BSI 2009BRITISH STANDARDnullorenullordPublishing informationThis British Standard is punulllished nully BSI and canulle into enullnullect on 30 Nonullenullnuller 2009null It nullas prepared nully nullanel Anullnullnullnullnullnullnullnull
7、null9null Titanium and its alloysnull under the authority onull Technical nullonullnullittee Anullnullnullnullnullnull Metallic materials for aerospace purposesnull A list onull organinullations represented on this conullnullittee can nulle onulltained on renulluest to its secretarynullSupersessionT
8、his British Standard supersedes BS 2TA 7:null973null nullhich is nullithdranullnnullInformation about this documentThis is a nullull renullision onull BS TA 7null and introduces the nullollonulling principal changesnullanull Renulluirenullents are stated in tanullular nullornullat in accordance null
9、ith nullN nullnull00nullnull and nullN nullnull00nullnullnullnullnull nullhenullical conullposition has nulleen anullended to add renulluirenullents nullor nullothernull elenullentsnullcnull nullelting nullethod details hanulle nulleen deleted and replaced nully renullerence to Section null onull BS
10、 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 technical suitanullility and does not anulls
11、olnulle 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 the enullecution onull its pronullisions nullill nulle entrusted to appropriately nullualinulled and
12、enullperienced peoplenull nullor nullhose use it has nulleen producednullPresentational connullentionsThe pronullisions onull this standard are presented in ronullan nullinullenull uprightnulltypenull Its renulluirenullents are enullpressed in sentences in nullhich the principal aunulliliary nullern
13、ull 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 pronullisions onull a contractnull n
14、ullsers are responsinullle nullor its correct applicationnullCompliance nullith a nullritish Standard cannot confer immunity from legal obligationsnullBRITISH STANDARDnull BSI 2009 null nullBS 3TA 7:2009null ScopeThis British Standard specinulles renulluirenullents nullor conullnullercially pure tit
15、aniunull nullar and section nullith a tensile strength onull nullnull0 nullnulla to 7null0 nullnullanullnull nullormatinulle referencesThe nullollonulling renullerenced docunullents are indispensanullle nullor the application onull this docunullentnull nullor dated renullerencesnull only the edition
16、 cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced docunullent nullincluding any anullendnullentsnull appliesnullBS TA null00null Procedure for inspection, testing and acceptance of wrought titanium and titanium alloysnull Technical renulluirements nullate
17、rial to this standard shall connullornull to Tanullle nullnullNnullTnull The format and symnullols used in Tanullle 1 are derived from nullN 4nullnullnullnull1 and nullN 4nullnullnullnull4.BS 3TA 7:20092 null null BSI 2009BRITISH STANDARDTanullle null Technical renulluirements for commercially pure
18、titanium bar and sectionnull nullaterial designation nullS TA nullnull Chemical composition nullnulllenullentnulle null null2N2 H2 nullthersTinullach Totalnullinnull null null null null null null nullBasenullanullnull 0null20 0null0null 0nullnull0 0null0null 0null0nullnull 0nullnull0 0null30null nul
19、lethod of melting See Section null onull BS TA null00nullnullnull nullorm Bar and section nullnullnullnullnull nullethod of production Rollednull nullorgednull dranulln or enulltrudednullnullnull nullimit dimension(snull nullnull null5 Technical specification Sections null and 2 onull BS TA null00nu
20、llnullnull nullelinullery condition Annealed null centreless ground or nullachinednulleat treatment null00 nullnull G G 7null0 nullnull null t H 30 nullin null Anullnullnullnull nullelinullery condition code nullnull nullse condition Delinullery conditionnulleat treatment nullCharacteristicsnullnull
21、null 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 nullnullnull Thicnullness of cladding on each facenull nullnullnull nullirection of test piece nul
22、lnullnullTTemperature nullnull Anullnullientnullnull Proof stress Rp0null2nullnulla H null30nullnull Strength Rnullnullnulla nullnull0 G RnullG 7null0null5 Elongation A null H nullnullnullnull Reduction of areanull null nullnullnull nullardness nullnullnull Shear strength Rcnullnulla nullnullnull nu
23、llending j null nullnullnull Impact strength nullnullnullCTemperature nullnull nullnullnull Time h nullnullnull Stress ranullnulla nullnullnull Elongation a null nullnull5 Rupture stress rRnullnulla nullnullnull Elongation at ruptureA null nullnullnull nullotes nullsee line 9nullnullnullnullBRITISH
24、STANDARDnull BSI 2009 null 3BS 3TA 7:2009Tanullle null Technical renulluirements for commercially pure titanium bar and section nullcontinuednullnullnull Enullternal defects null See Section 2 onull BS TA null00nullnull Surface contamination null See Section null onull BS TA null00null5 nullarnullin
25、g null See Section 2 onull BS TA null00nullnull nullimensional inspection null See Section 2 onull BS TA null00nullnullnull nullotes nullnullnullBritish Standards conullering other nullornulls onull nullaterial onull sinullilar conullposition are:nullornull Rnull nullnullnullanull390nullnullnull0 nu
26、ll70null730Sheet and strip BS TA 2 BS TA nullBS 3TA 7:2009null null null BSI 2009BRITISH STANDARDnullibliographyStandards publicationsnullor dated renullerencesnull only the edition cited appliesnull nullor undated renullerencesnull the latest edition onull the renullerenced docunullent nullincludin
27、g any anullendnullentsnull appliesnullBS TA 2null nullpecinullcation for sheet and strip of commercially pure titanium nullTensile strength nullnullnullnullnull4null MPanullBS TA nullnull nullpecinullcation for sheet and strip of commercially pure titanium nullTensile strength nullnullnullnullnullnu
28、llnull MPanullnullN nullnull00nullnullnull Metallic materials null nullules for the drafting and 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
29、 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 British Standards. It prese
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