1、Designation:A582/A582M12(Reapproved 2017)Standard Specification forFree-Machining Stainless Steel Bars1This standard is issued under the fixed designation A582/A582M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last re
2、vision.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.Scope1.1 This specification covers hot-finished or co
3、ld-finishedbars,except bars for forging(Note 1),suitable for machiningprocesses.It includes rounds,squares,and hexagons in themore commonly used types of stainless free-machining steelsdesigned especially for optimum machinability and for generalcorrosion and high-temperature service.Stainless steel
4、 barsother than the free-machining types are covered in a separatespecification(Note 2).1.2 This specification is expressed in both inch-pound unitsand in SI units;however,unless the purchase order or contractspecifies the applicable M specification designation(SI units),the inch-pound units shall a
5、pply.The values stated in eitherinch-pound units or SI(metric)units are to be regardedseparately as standard:within the text and tables,the SI unitsare shown in brackets.The values stated in each system maynot be exact equivalents:therefore,each system shall be usedindependently of the other.Combini
6、ng values from the twosystems may result in nonconformance with the specification.NOTE1For bars for reforging,see Specification A314.NOTE2For non-free machining stainless bars,see SpecificationA276.2.Referenced Documents2.1 ASTM Standards:2A276 Specification for Stainless Steel Bars and ShapesA314 S
7、pecification for Stainless Steel Billets and Bars forForgingA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA484/A484M Specification for General Requirements forStainless Steel Bars,Billets,and ForgingsA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Ste
8、el ProductsA959 Guide for Specifying Harmonized Standard GradeCompositions for Wrought Stainless SteelsE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)2.2 SAE Document:3SAE J 1086 Recommended Practice for Numbering Metalsand Alloys33.Ordering Information3.1 It is the
9、 responsibility of the purchaser to specify allrequirements that are necessary for product ordered under thisspecification.Such requirements to be considered include,butare not limited to,the following:3.1.1 Quantity(weight or number of pieces),3.1.2 Type(alloy)or UNS designation(Table 1),3.1.3 Form
10、(bars,angles,and so forth),3.1.4 Condition(Table 2),3.1.5 Finish(5.1),3.1.6 Applicable dimensions,including size,thickness,width,and length,3.1.7 Cross section(round,square,and so forth),3.1.8 ASTM designation(Specification A582/A582M)andapproval date,3.1.9 Preparation for delivery,and3.1.10 Marking
11、 requirements.NOTE3Atypical ordering description is as follows:5000 lb 2000 kgType 416 bars,annealed and centerless ground,112in.40 mm round,10to 12 ft 3 to 4 m in length,ASTM Specification A582/A582Mdated.4.General Requirements4.1 Product furnished to this specification shall conform tothe requirem
12、ents of Specification A484/A484M,including anysupplementary requirements indicated in the purchase order orcontract.Failure to comply with the general requirements ofSpecification A484/A484M constitutes nonconformance withthis specification.1This specification is under the jurisdiction of ASTM Commi
13、ttee A01 on Steel,Stainless Steel and Related Alloysand is the direct responsibility of SubcommitteeA01.17 on Flat-Rolled and Wrought Stainless Steel.Current edition approved March 15,2017.Published March 2017.Originallyapproved in 1967.Last previous edition approved in 2012 as A582/A582M 121.DOI:10
14、.1520/A0582_A0582M-12R17.2For 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 website.3Available from Society of Automotive Eng
15、ineers(SAE),400 CommonwealthDr.,Warrendale,PA 15096-0001.*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 internati
16、onally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 5.Materials and Manufacture5.1 Bars may be furnished either hot finished or coldfinished,suitable for machining processes,in one of theconditions listed in Table 2.6.Chemical Requirements6.1 The chemical composition shall conform to the require-ments spe
