1、Designation:A29/A29M16Standard Specification forGeneral Requirements for Steel Bars,Carbon and Alloy,Hot-Wrought1This standard is issued under the fixed designation A29/A29M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of
2、 last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification2covers a group o
3、f common require-ments which,unless otherwise specified in the purchase orderor in an individual specification,shall apply to carbon and alloysteel bars under each of the following ASTM specifications(orunder any other ASTM specification which invokes thisspecification or portions thereof):Title of
4、SpecificationASTMDesignationAHot-Rolled Carbon Steel Bars:Steel Bars,Carbon,Quenched and TemperedA321Steel Bars and Shapes,Carbon Rolled from“T RailsA499Steel Bars,Carbon,Merchant Quality,M-GradesA575Steel Bars,Carbon,Hot-Wrought,Special QualityA576Steel Bars,Carbon,Merchant Quality,MechanicalProper
5、tiesA663/A663MSteel Bars,Carbon,Hot-Wrought,Special Quality,Me-chanical PropertiesA675/A675MSteel Bars for Springs,Carbon and AlloyA689Cold-Finished Carbon Steel Bars:Steel Bars,Carbon and Alloy,Cold-FinishedA108Cold-Drawn Stress-Relieved Carbon Steel Bars Sub-ject to Mechanical Property Requirement
6、sA311/A311MHot-Rolled Alloy Steel Bars:Steel Bars,Alloy,Standard GradesA322Carbon and Alloy Steel Bars Subject to End-QuenchHardenability RequirementsA304Steel Bars,Alloy,Hot-Wrought or Cold-Finished,Quenched and TemperedA434/A434MSteel Bars,Alloy,Hot-Wrought,for Elevated Tempera-ture or Pressure-Co
7、ntaining Parts,or BothA739Cold-Finished Alloy Steel Bars:Steel Bars,Alloy,Hot-Rolled or Cold-Finished,Quenched and TemperedA434/A434MSteel Bars,Carbon,Hot-Wrought or Cold-Finished,Special Quality,for Pressure Piping ComponentsA696AThese designations refer to the latest issue of the respective specif
8、ications,which appear either in the Annual Book of ASTM Standards,Vol 01.05,or asreprints obtainable from ASTM.1.2 In case of any conflict in requirements,the requirementsof the purchase order,the individual material specification,andthis general specification shall prevail in the sequence named.1.3
9、 The values stated in inch-pound units or SI units are tobe regarded as the standard.Within the text,the SI units areshown in brackets.The values stated in each system are notexact equivalents;therefore,each system must be used inde-pendently of the other.Combining values from the two systemsmay res
10、ult in nonconformance with the specification.1.4 For purposes of determining conformance to this speci-fication and the various material specifications referenced in1.1,dimensional values shall be rounded to the nearest unit inthe right-hand place of figures used in expressing the limitingvalues in
11、accordance with the rounding method of PracticeE29.NOTE1Specification A29/A29M previously listed dimensional toler-ances for cold-finished bars;these are now found in Specification A108.2.Referenced Documents2.1 ASTM Standards:3A108 Specification for Steel Bar,Carbon and Alloy,Cold-FinishedA304 Spec
12、ification for Carbon and Alloy Steel Bars Subjectto End-Quench Hardenability RequirementsA311/A311M SpecificationforCold-Drawn,Stress-Relieved Carbon Steel Bars Subject to Mechanical Prop-erty RequirementsA321 Specification for Steel Bars,Carbon,Quenched andTempered(Withdrawn 2007)4A322 Specificatio
13、n for Steel Bars,Alloy,Standard GradesA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA434/A434M Specification for Steel Bars,Alloy,Hot-Wrought or Cold-Finished,Quenched and Tempered1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel
14、and Related Alloys and is the direct responsibility of SubcommitteeA01.15 on Bars.Current edition approved Dec.1,2016.Published February 2017.Originallyapproved in 1957.Last previous edition approved in 2015 as A29/A29M 15.DOI:10.1520/A0029_A0029M-16.2For ASME Boiler and Pressure Vessel Code applica
15、tions,see related Specifi-cation SA-29/SA-29M in Section II of that Code.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM w
16、ebsite.4The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations iss