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ASTM_A_1083_-_A_1083M_-_12.pdf

1、Designation:A1083/A1083M12Standard Specification forSteel,Sheet,Cold-Rolled,Carbon,Structural,High-StrengthLow-Alloy,Produced by Twin-Roll Casting Process1This standard is issued under the fixed designation A1083/A1083M;the number immediately following the designation indicates theyear of original a

2、doption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers cold-rolled,carbon,structural,and high-strength lo

3、w-alloy,in coils and cut lengths producedby the twin-roll casting process.1.2 Cold rolled steel sheet produced by the twin-roll castingprocess is available in the designations as listed in 4.1.1.3 This specification does not apply to steel strip asdescribed in Specification A109/A109M.1.4 The values

4、 stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.5 T

5、his standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applicabil-ity of regulatory limitations prior to use.2.Referenced Documents2

6、.1 ASTM Standards:2A109/A109M Specification for Steel,Strip,Carbon(0.25Maximum Percent),Cold-RolledA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA568/A568M Specification for Steel,Sheet,Carbon,Structural,and High-Strength,Low-Alloy,Hot-Rolled andCold-Rolled,General Require

7、ments forA941 Terminology Relating to Steel,Stainless Steel,RelatedAlloys,and FerroalloysE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE517 Test Method for Plastic Strain Ratio r for Sheet MetalE646 Test Method for Tensile Strain-Hardening Exponents(n-Values)of Metallic Sheet Material

8、s3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 For definitions of other terms used in thisspecification,refer to Terminology A941.3.2 aging,nloss of ductility with an increase in hardness,yield strength,and tensile strength that occurs when steel thathas been slightly cold wo

9、rked(such as by temper rolling)isstored for some time.3.2.1 DiscussionAging increases the tendency of a steel toexhibit stretcher strains and fluting.4.Classification4.1 Cold-rolled steel sheet is available in the followingdesignations:4.1.1 Commercial Steel(CS Types A,B,and D).4.1.2 Drawing Steel(D

10、S Types B and D).4.1.3 Structural Steel(SS grades 25170,30205,33230Types 1 and 2,40275 Types 1 and 2,50340,60410,70480,and 80550).4.1.4 High-Strength Low-Alloy Steel(HSLAS,in classes 1and 2,in grades 45310,50340.55380,60410,65450,70480 and 80550.4.2 When required for HSLAS steels,limitations on the

11、useof one or more of the microalloy elements,titanium,columbium,vanadium,or molybdenum,shall be specified onthe order.4.3 Cold-rolled steel sheet is supplied for either exposed orunexposed applications.Within the latter category,cold-rolledsheet is specified either“temper rolled”or“annealed last.”Fo

12、rdetails on processing,attributes and limitations,and inspectionstandards,refer to Specification A568/A568M.5.Ordering Information5.1 It is the purchasers responsibility to specify in thepurchase order all ordering information necessary to describethe required material.Examples of such information i

13、nclude,but are not limited to,the following:1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.19 on Steel Sheet and Strip.Current edition approved Nov.1,2012.Published November 2012.DOI:

14、10.1520/A1083_A1083M-12.2For 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.Copyright ASTM International,100 Barr Harb

15、or Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1Copyright by ASTM Intl(all rights reserved);5.1.1 ASTM specification number and year of issue;5.1.2 Name of material and designation(cold-rolled steelsheet)(include grade,type,and class,as appropriate,for CS,DS,SS,HSLAS,(see 4.1);5.1

16、.2.1 When a type is not specified for CS or DS,Type Dwill be furnished(see 4.1);5.1.2.2 When a class is not specified for HSLAS,Class 1will be furnished(see 4.1);5.1.2.3 When a type is not specified for SS 33 230 and SS40 275,Type 1 will be furnished(see 4.1);5.1.3 Classification(either exposed,unexposed,temperrolled,or annealed last)(see 4.3);5.1.4 Finish(see 9.1);5.1.5 Oiled or not oiled,as required(see 9.1);5.1.5.1 Unless otherwise specified,the sheet shall be oiled.5.1.5.2 When required,spec

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