1、4A1008/A1008M-155.1.2.4 When a class is not specified for HSLAS,Class 1mined value.When the amount of boron is less than 0.0005%will be furnished(see 4.1);report the analysis as 0.0005%or the actual determined5.1.2.5 When a type is not specified for SS 33 230and SSvalue.40 275,Type 1 will be furnish
2、ed(see 4.1);7.3 Sheet steel grades defined by this specification are5.1.3 Classification(either exposed,unexposed,tempersuitable for welding if appropriate welding conditions arerolled,or annealed last)(see 4.3);selected.For certain welding processes,if more restrictive5.1.4 Finish(see 9.1);composit
3、ion limits are desirable,they shall be specified at the5.1.5 Oiled or not oiled,as required(see 9.2);time of inquiry and confirmed at the time of ordering.5.1.6 Dimensions(thickness,width,and whether cut lengthsor coils);8.Mechanical PropertiesNorE 1-Not all producers are capable of meeting all the
4、limitations of8.1 CS.DS.DDS.and EDDS:the thickness tolerance tables in Specification A568/A568M.The pur-8.1.1 Typical nonmandatory mechanical properties for CS,chaser should contact the producer regarding possible limitations prior toDS,DDS,EDDS,and Specification A568/A568M Table X2.3placing an orde
5、r.are shown in Table 3.5.1.7 Coil size(must include inside diameter,outside8.1.2 The material represented by all grades specified indiameter,and maximum weight);Table 1 and Specification A568/A568M Table X2.3 shall be5.1.8 Copper bearing steel(if required);capable of being bent,at room temperature,i
6、n any direction5.1.9 Quantity;through 180 flat on itself without cracking on the outside of5.1.10 Application(part identification and description):the bent portion(see Section 14 of Test Methods and Defini-5.1.11 A report of heat analysis will be supplied,iftions A370).The bend test is not a require
7、ment of delivery.requested,for CS,DS,DDS,and EDDS.For materials withHowever,if testing is performed by the purchaser,material notrequired mechanical properties,SS,HSLAS,HSLAS-F,SHS.conforming to the requirement shall be subject to rejection.and BHS,a report is required of heat analysis and mechanica
8、l8.1.3 Sheet of these designations except for EDDS areproperties as determined by the tension test,andsubject to aging dependent upon processing factors such as the5.1.12 Special requirements(if any).method of annealing(continuous annealing or box annealing),5.1.12.1 When the purchaser requires thic
9、kness tolerancesand chemical composition.For additional information onfor 38 in.10 mmminimum edge distance(see Supplementaryaging,see Appendix X1 of Specification A568/A568M.Requirement in Specification A568/A568M),this requirement8.1.4 EDDS steel is stabilized to be nonaging and so is notshall be s
10、pecified in the purchase order or contract.subject to stretcher strains and fluting.Other steels are pro-5.1.12.2 Tighter requirements can be specified based oncessed to be nonaging;please consult your supplier.agreement between seller and purchaser.8.2 SS,HSLAS,HSLAS-F.SHS,and BHS:NoTE 2-A typical
11、ordering description is as follows:ASTM A1008-8.2.1 The available strength grades for SS,HSLAS andXX,cold rolled steel sheet,CS Type A,exposed,matte finish,oiled,0.035HSLAS-F are shown in Table 4.by 30 in.by coil,ID 24 in.,OD 48 in.,max weight 15 000 Ibs,100 0008.2.2 The available strength grades fo
12、r SHS and BHS areIb,for part No.4560,Door Panel.shown in Table 5.or:ASTM A 1008M-XX,cold-rolled steel sheet,SS grade 275,unexposed,8.2.3 Tension Tests:matte finish,oiled,0.88 mm by 760 mm by 2440 mm,10 000 kg.for shelf8.2.3.1 Requirements-Material as represented by the testbracket.specimen shall con
13、form to the mechanical property require-ments specified in Table 4.These requirements do not apply to6.General Requirements for Deliverythe uncropped ends of unprocessed coils.6.1 Material furnished under this specification shall con-8.2.3.2 Number of Tests-Two tension tests shall be madeform to the
14、 applicable requirements of the current edition offrom each heat or from each 50 tons 45 000 kg.When theSpecification A568/A568M unless otherwise provided herein.amount of finished material from a heat is less than 50 tons45 000 kg,one test shall be made.When material rolled from7.Chemical Compositi
15、onheat differs 0.050 in.1.27 mmor more in thickness,onetension test shall be made from the thickest and thinnest7.1 The heat analysis of the steel shall conform to thematerial regardless of the weight represented.chemical composition requirements of the appropriate desig-8.2.3.3 Tension test specime
16、ns shall be taken at a pointnation shown in Table 1 for CS,DS,DDS,and EDDS and inimmediately adjacent to the material to be qualified.Table 2 for SS,HSLAS.HSLAS-F.SHS,and BHS.8.2.3.4 Tension test specimens shall be taken from the full7.2 Each of the elements listed in Tables 1 and 2,andthickness of
17、the sheet.Specification A568/A568M Table X2.3 shall be included in the8.2.3.5 Tension test specimens shall be taken from a loca-report of the heat analysis.When the amount of copper,nickel,tion approximately halfway between the center of the sheet andchromium,or molybdenum is less than 0.02%report t
18、hethe edge of the material as rolled.analysis as 0.02 or the actual determined value.When the8.2.3.6 Tension test samples shall be taken with the length-amount of vanadium,columbium,or titanium is less thanwise axis of the test specimen parallel to the rolling direction0.008%report the analysis as 0.008 or the actual deter-(longitudinal test).ASTM
