TM_A_611_
_97
Designation:A 611 97Standard Specification forStructural Steel(SS),Sheet,Carbon,Cold-Rolled1This standard is issued under the fixed designation A 611;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1.Scope1.1 This specification covers cold-rolled carbon structuralsteel(SS)sheet,in cut lengths or coils.It includes five strengthlevels designated as GradeAwith yield point 25 ksi(170 MPa)minimum;Grade B with 30 ksi(205 MPa)minimum;Grade CTypes 1 and 2 with 33 ksi(230 MPa)minimum;Grade D Types1 and 2 with 40 ksi(275 MPa)minimum;and Grade E with 80ksi(550 MPa)minimum.1.2 Grades A,B,C,and D have moderate ductility whereasGrade E is a full-hard product with no specified minimumelongation.1.3 The values stated in inch-pound units are to be regardedas the standard.2.Referenced Documents2.1 ASTM Standards:A 568/A 568M Specification for Steel,Sheet,Carbon,andHigh-Strength,Low-Alloy,Hot-Rolled and Cold-Rolled,General Requirements for23.Terminology3.1 Definition:3.1.1 structural steel(SS)sheetsheet produced to tensileproperty values as specified or required.4.Ordering Information4.1 Orders for material under this specification shall includethe following information,as required,to describe the materialadequately.4.1.1 ASTM specification number,date of issue,and grade(if Grades C or D,indicate Type 1 or Type 2),4.1.2 Copper-bearing steel(if required),4.1.3 Special requirements(if required),4.1.4 Name of material(cold-rolled sheet),structural qual-ity,4.1.5 Finish;matte(dull)finish will be supplied unlessotherwise ordered,4.1.6 Condition(oiled or dry),and4.1.7 Dimensions.4.1.7.1 As agreed upon between the purchaser and theproducer,material ordered to this specification will be suppliedto meet the appropriate standard or restricted thickness toler-ance table shown in Specification A 568/A 568M.NOTE1Not all producers are capable of meeting all of the limitationsof the thickness tolerance tables in Specification A 568/A 568M.Thepurchaser should contact the producer regarding possible limitations priorto placing an order.4.1.8 Coil size requirements,and4.1.9 Cast or heat(formerly ladle)analysis and test report(request,if required).NOTE2A typical ordering description is as follows:ASTM A 611,date,Grade C,Type 1,Cold-Rolled Oiled Sheet,Structural Steel(SS),0.035 minimum by 36 by 96 in.(0.89 minimum by 914 by 2438 mm)Standard Thickness Tolerance,for Roof Deck.5.General Requirements for Delivery5.1 Material furnished under this specification shall con-form to the applicable requirements of the current edition ofSpecification A 568/A 568M.6.Chemical Composition6.1 The cast or heat analysis of the steel shall conform to therequirements prescribed in Table 1.6.1.1 Unspecified elements may be present.Limits on ele-ments shall be as stated in Table 2.6.1.1.1 Each of the elements listed in Table 2 shall beincluded in the report of the heat analysis.When the amount ofcopper,nickel,chromium,or molybdenum is less than 0.02%,the analysis may be reported as 0.02%.When the amount ofvanadium or columbium is less than 0.008%,the analysis maybe reported as 0.008%.1This specification is under the jurisdiction of ASTM Committee A-1 on Steel,Stainless Steel and Related Alloys,and is the direct responsibility of SubcommitteeA01.19 on Steel Sheet and Strip.Current edition approved March 10,1997.Published November 1997.Originallypublished as A 611 70.Last previous edition A 611 96.2Annual Book of ASTM Standards,Vol 01.03.TABLE 1Chemical RequirementsElementComposition,%Grades A,B,C,Type1,and EGrade DType 1Grades Cand DType 2Carbon,max0.200.200.15Manganese,max0.600.900.60Phosphorus,max0.0350.0350.20Sulfur,max0.0350.0350.035Copper,when copper steel isspecified,min0.200.200.201AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTM7.Mechanical Property Requirements7.1 Tensile Tests:7.1.1 RequirementsMaterial as represented by the testspecimen shall conform to the tensile requirements specified inTable 3.7.1.2 Number of TestsTwo tensile tests shall be madefrom each heat or from each lot of 50 tons(45 Mg).When theamount of finished material from a heat or lot is less than 50tons(45 Mg),one test shall be made.When material rolledfrom one heat differs 0.050 in.(1.27 mm)or more in thickness,one tensile test shall be made from both the thickest andthinnest material regardless of the weight represented.7.1.3Location and Orientation:7.1.3.1 Tensile test specimens shall be taken at a pointimmediately adjacent to the material to be qualified.7.1.3.2 Tensile test samples shall be taken from the fullthickness of the sheet as rolled.7.1.3.3 Tensile test