1、Designation:A1018/A1018M16aStandard Specification forSteel,Sheet and Strip,Heavy-Thickness Coils,Hot-Rolled,Carbon,Commercial,Drawing,Structural,High-StrengthLow-Alloy,High-Strength Low-Alloy with ImprovedFormability,and Ultra-High Strength1This standard is issued under the fixed designation A1018/A
2、1018M;the number immediately following the designation indicates theyear of original adoption 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.T
3、his standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification covers hot-rolled,heavy-thicknesscoils beyond the size limits of Specification A1011/A1011M.1.2 The product is available in six designations:Commer-cial Steel,Drawing Steel,Structural S
4、teel,High-StrengthLow-Alloy Steel,High-Strength Low-Alloy Steel with Im-proved Formability,and Ultra-High Strength Steel.1.3 This material is available only in coils described asfollows:ProductSize Limits,Coils OnlyWidth,in.mmThickness,in.mmStripOver 8 to 12,inclOver 200 to 3000.230 to 1.000,inclFro
5、m 6.0 through 25SheetOver 12Over 3000.230 to 1.000,inclFrom 6.0 through 25NOTE1The changes in width limits with the publication of A635/A635M 06a result in a change in tensile testing direction for materialfrom 0.180 in.4.5 mm to 0.230 in.exclusive 6.0 mm exclusive over48 in.1200 mm wide as that mat
6、erial is now covered by SpecificationA568/A568M 06a.The purchaser is advised to discuss this change withthe supplier.1.4 Sheet and strip in coils of sizes noted in 1.3 are coveredby this specification only with the following provisions:1.4.1 The material is to be fed directly from coils into ablanki
7、ng press,drawing or forming operation,tube mill,rollingmill,or sheared or slit into blanks for subsequent drawing orforming.1.4.2 The material is not to be converted into steel plates forstructural or pressure vessel use unless tested in completeaccordance with the appropriate sections of Specificat
8、ionsA6/A6M(plates provided from coils)or A20/A20M(platesproduced from coils).Plate converted from coils is no longergoverned by this sheet steel specification and since thismaterial is now a plate,the requirements of the appropriateplate specification shall apply,except in cases where there is aconf
9、lict between the requirements of the plate specification andthis specification.In these cases,the more restrictive limits ofeither specification shall apply.1.4.3 The dimensional tolerances of Specification A635/A635M are applicable to material produced to this specifica-tion.1.4.4 Not all strength
10、levels are available in all thicknesses.The user should consult the producer for appropriate sizelimitations.1.5 The values 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 b
11、e used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.2.Referenced Documents2.1 ASTM Standards:2A6/A6M Specification for General Requirements for RolledStructural Steel Bars,Plates,Shapes,and Sheet PilingA20/A20M Specification for Gener
12、al Requirements for SteelPlates for Pressure VesselsA370 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 Requirements forA572/A572M Specification for High-Stre
13、ngth Low-AlloyColumbium-Vanadium Structural SteelA635/A635M Specification for Steel,Sheet and Strip,1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloysand is the direct responsibility of SubcommitteeA01.19 on Steel Sheet and Strip.Current e
14、dition approved Sept.1,2016.Published September 2016.Originallyapproved in 2001.Last previous edition approved in 2016 as A1018/A1018M 16.DOI:10.1520/A1018_A1018M-16A.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book
15、 of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*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 States1 Heavy-Thickness Coils,Ho
16、t-Rolled,Alloy,Carbon,Structural,High-Strength Low-Alloy,and High-StrengthLow-Alloy with Improved Formability,General Require-ments forA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsA941 Terminology Relating to Steel,Stainless Steel,RelatedAlloys,and FerroalloysA1011/A1011M Specification for Steel,Sheet and Strip,Hot-Rolled,Carbon,Structural,High-Strength Low-Alloy,High-StrengthLow-AlloywithImprovedFormability,and Ultra-High StrengthE29 Practice for Using Sig
