1、Designation:A276/A276M17Standard Specification forStainless Steel Bars and Shapes1This standard is issued under the fixed designation A276/A276M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in pa
2、rentheses 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 specification covers hot-finished or cold-finishedbars exce
3、pt bars for reforging(Note 1).It includes rounds,squares,and hexagons,and hot-rolled or extruded shapes,suchas angles,tees,and channels in the more commonly used typesof stainless steels.The free-machining types(Note 2)forgeneral corrosion resistance and high-temperature service arecovered in a sepa
4、rate specification.NOTE1For bars for reforging,see Specification A314.NOTE2For free-machining stainless bars designed especially foroptimum machinability,see Specification A582/A582M.NOTE3There are standards covering high nickel,chromium,auste-nitic corrosion,and heat-resisting alloy materials.These
5、 standards areunder the jurisdiction of ASTM Subcommittee B02.07 and may be foundin Annual Book of ASTM Standards,Vol.02.04.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.Within the text,theSI units are shown in brackets.The values stated in eac
6、hsystem may not be exact equivalents;therefore,each systemshall be used independently of the other.Combining valuesfrom the two systems may result in non-conformance with thestandard.The inch-pound units shall apply unless the“M”designation of this specification is specified in the order.2.Reference
7、d Documents2.1 ASTM Standards:2A314 Specification 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 ForgingsA582/A582M Specification for Free-Ma
8、chining StainlessSteel BarsA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsA1058 Test Methods for Mechanical Testing of SteelProductsMetricE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)2.2SAE Document:3SAE J 1086 Recommended Prac
9、tice for Numbering Metalsand Alloys3.Ordering Information3.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thisspecification.Such requirements may include but are notlimited to the following:3.1.1 Quantity(weight or number of piece
10、s),3.1.2 Name of material:stainless steel,3.1.3 Form(bars,angles,and so forth),3.1.4 Condition(Section 4.1),3.1.5 Finish(Section 8 of Specification A484/A484M),3.1.6 Surface preparation of shapes(Section 8 of Specifica-tion A484/A484M),3.1.7 Applicable dimensions including size,thickness,width,and l
11、ength,l,3.1.8 Cross section(round,square,and so forth),3.1.9 Type or UNS designation(Table 1),3.1.10 ASTM designation and date of issue,and3.1.11 Whether bars are to be rolled as bars or cut from stripor plate.3.1.12 Test for magnetic permeability when specified bycustomer purchase order when orderi
12、ng Types 201 and 205.3.1.13 Choice of testing track from the options listed in TestMethods A1058 when material is ordered to an M suffix(SIunits)product standard.If the choice of test track is notspecified in the order,then the default ASTM track shall beused as noted in Test Methods A1058.3.1.14 Su
13、pplementary requirements,and3.1.15 Additional requirements.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.17 on Flat-Rolled and Wrought Stainless Steel.Current edition approved March
14、15,2017.Published March 2017.Originallyapproved in 1944.Last previous edition approved in 2016 as A276/A276M 16a.DOI:10.1520/A0276_A0276M-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume i
15、nformation,refer to the standards Document Summary page onthe ASTM website.3Available from Society of Automotive Engineers(SAE),400 CommonwealthDr.,Warrendale,PA 15096-0001,http:/www.sae.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor
16、 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 issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 TABLE 1 Chemical RequirementsAUNSDesigna-tionBTypeComposition,%CarbonManganesePhos-phorusSulfurSiliconChromiumNickelMoly
