1、Designation: A1039/A1039M 11Standard Specification forSteel, Sheet, Hot Rolled, Carbon, Commercial, Structural,and High-Strength Low-Alloy, Produced by Twin-RollCasting Process1This standard is issued under the fixed designation A1039/A1039M; the number immediately following the designation indicate
2、s 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.1. Scope*1.1 This specification covers commercial and stru
3、cturalsteel sheet in coils and cut lengths produced by the twin-rollcasting process.1.2 The steel sheet is available in the designations listed inSection 4.1.3 The material is available in the following sizes:Thickness0.027 in. 0.7 mm to 0.078 in. 2.0 mmWidthup to 79 in. 2000 mm1.4 The values stated
4、 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.NOTE 1A
5、description of the Twin-Roll Casting Process is included inAppendix X1.2. Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA568/A568M Specification for Steel, Sheet, Carbon, Struc-tural, and High-Strength, Low-Alloy, Hot-Rolled andCold-
6、Rolled, General Requirements forA941 Terminology Relating to Steel, Stainless Steel, Re-lated Alloys, and Ferroalloys3. Terminology3.1 DefinitionsFor definitions of other terms used in thisspecification refer to Terminology A941.3.2 Definitions of Terms Specific to This Standard:3.2.1 twin roll cast
7、ing process, nproduction of steel sheetdirectly from liquid metal.3.2.1.1 DiscussionThe properties of the steel sheet are theresult of the control of the casting conditions, and in somecases, through a combination of the casting process and hotrolling of the sheet.4. Classification4.1 Twin-roll cast
8、 steel sheet is available in the followingdesignations:4.1.1 Commercial steel (CS Types A, B, and D),4.1.2 Drawing steel (DS Types A, B, and D),4.1.3 Structural steel (SS Grades 30 205, 33 230, 36250 Types 1 and 2, 40 275, 45 305, 50 340, 55 380, 60410, 70 480, and 80 550), and4.1.4 High-Strength Lo
9、w-Alloy steel (HSLAS, classes 1and 2 in grades 45 310, 50 340, 55 380, 60 410, 65450, 70 480 and 80 550.5. 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 inc
10、lude,but are not limited to, the following:5.1.1 ASTM specification number and year of issue,5.1.2 Name of material and designation (direct cast or hotrolled sheet) (include grade and class, and limits for Cu, Ni, Cr,and Mo as appropriate, for CS, DS, SS, and HSLAS) (see 4.1),5.1.2.1 When a type is
11、not specified for CS, Type B will befurnished,5.1.2.2 When a type is not specified for DS, Type B will befurnished,5.1.2.3 When a class for HSLAS is not specified, Class 1will be furnished.5.1.2.4 When limits for Cu, Ni, Cr, and Mo are notspecified, limit H (see Table 1) will be furnished.5.1.3 Fini
12、sh (see 9.1),5.1.4 Type of edge (see 9.3),5.1.5 Oiled or not oiled, as required (see 9.2),5.1.6 Dimensions (thickness, width, and whether cut lengthsor coils),1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibil
13、ity of SubcommitteeA01.19 on Steel Sheet and Strip.Current edition approved Nov. 15, 2011. Published December 2011. Originallyapproved in 2004. Last previous edition approved in 2010 as A1039/A1039M 10.DOI: 10.1520/A1039_A1039M-11.2For referenced ASTM standards, visit the ASTM website, www.astm.org,
14、 orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C70
15、0, West Conshohocken, PA 19428-2959, United States.5.1.7 Coil size (inside diameter, outside diameter, and maxi-mum weight),5.1.8 Copper bearing steel, (if required),5.1.9 Quantity,5.1.10 Application (part identification and description),5.1.11 A report of heat analysis will be supplied, if re-quest
16、ed, for CS or DS. For materials with required mechanicalproperties, SS or HSLAS, a report is required of heat analysisand mechanical properties as determined by the tension test,and5.1.12 Special requirements (if any).5.1.12.1 When the purchaser requires thickness tolerancesfor38 in. 10 mm minimum e
17、dge distance (see SupplementaryRequirement in Specification A568/A568M), this requirementshall be specified in the purchase order or contract.NOTE 2A typical ordering description is as follows: ASTM A1039/A1039M steel sheet, CS Type A, pickled and oiled, cut edge, 0.075 by 36by 96 in, 100 000 lb, fo
18、r part no. 6310, for shelf bracket, orASTM A1039/A1039M, hot rolled steel sheet, SS Grade 40, pickledand oiled, cut edge, 1.5 by 117 mm by coil, ID 600 mm, OD 1500 mm,max weight 10 000 kg, 100 000 kg, for part number A4885 for lowerhousing.6. General Requirements for Delivery6.1 Material furnished u
19、nder this specification shall con-form to the applicable requirements of the current edition ofSpecification A568/A568M for steel sheet.7. Chemical Composition7.1 The heat analysis of the steel shall conform to thechemical requirements of the appropriate designation shown inTable 2 for CS, Table 1 f
20、or SS and HSLAS, and Table 3 for Cu,Ni, Cr, and Mo.7.2 Each of the elements listed in Tables 1 and 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 shall be reported as “0.02 %” or the actualdetermined v
21、alue. When the amount of vanadium, columbium,or titanium is less than 0.008 %, the analysis shall be reportedas “0.008 %”or the actual determined value.7.3 Sheet steel grades defined by this specification aresuitable for welding if appropriate welding conditions areselected. Certain welding processe
22、s may require more restric-tive composition limits than those included in Table 2 or Table1, and in these cases, the restrictive limits shall be reviewedwith the producer at the time of inquiry and ordering.NOTE 3The twin-roll cast product may be deoxidized using eithersilicon or aluminum.8. Mechani
23、cal Properties8.1 CS:8.1.1 Typical, non-mandatory mechanical properties for CSare found in Table 4.TABLE 1 Chemical RequirementsA,Bfor Twin Roll Cast Hot Rolled Steel Sheet Designations SS and HSLASDesignation% Heat Analysis, Element Maximum Unless Otherwise ShownCMn P SAlCSiCVCbTiNSS:DGrade 30 205
24、0.25 0.90 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 33 230 0.25 0.90 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 36 250 Type 1 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 36 250 Type 2 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 40 275 0.25 1.35
25、0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 45 305 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 50 345 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 55 380 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 60 410 0.25 1.35 0.035 0.04 . . . . . . 0
26、.008 0.008 0.008 . . .Grade 70 480 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 80 550 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .HSLAS:CGrade 45 310 Class 1D0.22 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 45 310 Class 2 0.15 1.35 0.04 0.04 . .
27、. . . . 0.005 min 0.005 min 0.005 min . . .Grade 50 340 Class 1D0.23 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 50 340 Class 2 0.15 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 55 380 Class 1D0.25 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 mi
28、n . . .Grade 55 380 Class 2 0.15 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 60 410 Class 1 0.26 1.50 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 60 410 Class 2 0.15 1.50 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 65 450 Class 1 0.26 1.5
29、0 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 minEGrade 65 450 Class 2 0.15 1.50 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 minEGrade 70 480 Class 1 0.26 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 minEGrade 70 480 Class 2 0.15 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 m
30、inEGrade 80 550 Class 1 0.26 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 minEGrade 80 550 Class 2 0.15 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 minEAWhere an ellipsis (. . .) appears in the table, there is no requirement but the analysis shall be reported.BThe limits for copper,
31、 nickel, chromium and molybdenum are shown in Table 3.CHSLAS steels contain the strengthening elements columbium (niobium), vanadium, titanium, and molybdenum added singly or in combination. The minimumrequirements only apply to the microalloy elements selected for strengthening of the steel.DFor ea
32、ch reduction of 0.01 % below the specified carbon maximum, an increase of 0.06 % manganese above the specified maximum will be permitted up to amaximum of 1.50 %.EThe purchaser has the option of restricting the nitrogen content. It should be noted that, depending on the microalloying scheme (for exa
33、mple, use of vanadium) ofthe producer, nitrogen is permitted as a deliberate addition. Consideration should be made for the use of nitrogen binding elements.A1039/A1039M 1128.1.2 The material shall be capable of being bent at roomtemperature in any direction through 180 flat on itself withoutcrackin
34、g on the outside of the bent portion (see section on bendtest of Test Methods and Definitions A370).8.2 SS and HSLAS:8.2.1 The available grades and corresponding mechanicalproperty requirements for SS and HSLAS steels are shown inTable 5.8.2.2 Tension Tests:8.2.2.1 RequirementsMaterial as represente
35、d by the testspecimen shall conform to the mechanical property require-ments specified in Table 5.8.2.2.2 Number of TestsTwo tension tests shall be madefrom each heat or from each 50 tons 45 000 kg. When theamount of finished material from a heat is less than 50 tons45 000 kg, one tension test shall
36、 be made. When materialrolled from one heat differs 0.050 in. 1.27 mm or more inthickness, one tension test shall be made from the thickest andthinnest material regardless of the weight represented.8.2.2.3 Tension test specimens shall be taken at a pointimmediately adjacent to the material to be qua
37、lified.8.2.2.4 Tension test specimens shall be taken from the fullthickness of the sheet as rolled.8.2.2.5 Tension test specimens shall be taken from a loca-tion approximately halfway between the center of sheet and theedge of the material as-cast or as-rolled.8.2.2.6 Tension test specimens shall be
38、 taken with thelengthwise axis of the test specimen parallel to the rollingdirection (longitudinal test).8.2.2.7 Test MethodYield strength shall be determined byeither the 0.2 % offset method or the 0.5 % extension underload method unless otherwise specified.8.2.3 Bending Properties:8.2.3.1 The sugg
39、ested minimum inside radii for cold bend-ing are listed in Appendix X2. More detail on this topic isprovided in the section on Mechanical Properties of Specifi-cation A568/A568M. Where a tighter bend radius is required,or where curved or offset bends are involved, or wherestretching or drawing are a
40、lso a consideration, the producershall be consulted.TABLE 2 Chemical RequirementsAfor Twin Roll Cast Hot Rolled Steel Sheet Designations CS and DSComposition, % Heat Analysis, Element Maximum Unless Otherwise ShownCMnPSAlBSi CuCNi Cr Mo V Cb Ti NCS Type AD0.10 0.70 0.030 0.035 . . . . . . 0.20 0.20
41、0.15 0.06 0.008 0.008 0.008 . . .CS Type B 0.02 to 0.15 0.70 0.030 0.035 . . . . . . 0.20 0.20 0.15 0.06 0.008 0.008 0.008 . . .CS Type D 0.02 to 0.15 0.80 0.030 0.035 . . . . . . 0.50 0.30 0.30 0.15 0.008 0.008 0.008 . . .DS Type AD0.10 0.60 0.030 0.035 . . . . . . 0.20 0.20 0.15 0.06 0.008 0.008 0
42、.008 . . .DS Type B 0.02 to 0.15 0.60 0.030 0.035 . . . . . . 0.20 0.20 0.15 0.06 0.008 0.008 0.008 . . .DS Type D 0.02 to 0.15 0.60 0.030 0.035 . . . . . . 0.50 0.30 0.30 0.15 0.008 0.008 0.008 . . .AWhere an ellipsis () appears in the table, there is no requirement, but the analysis shall be repor
43、ted.BWhen aluminum deoxidized steel is required, it may be ordered to a minimum of 0.01 % total aluminum.CWhen copper steel is specified, the copper limit is a minimum of 0.20 %.DSpecify Type B or Type D to avoid carbon levels below 0.02 %.TABLE 3 Chemical Requirements: Cu, Ni, Cr, and Mo forStructu
44、ral Steels and High-Strength Low-Alloy Steels% Heat Analysis, maximum Unless Otherwise SpecifiedDesignation Limits CuA,BNiBCrB,CMoB,CSS:All grades L 0.35 0.20 0.15 0.06H 0.50 0.30 0.30 0.16HSLAS:All grades and classes L 0.35 0.20 0.15 0.06H 0.50 0.30 0.30 0.16AWhen copper is specified, a minimum of
45、0.20 % is required. When coppersteel is not specified, the copper limit is a maximum requirement.BFor limit H steels, the sum of copper, nickel, chromium, and molybdenum shallnot exceed 1.00 % on heat analysis. When one or more of these elements arespecified by the purchaser, the sum does not apply;
46、 in which case only theindividual limits on the remaining elements shall apply.CFor limit H steels, the sum of chromium and molybdenum shall not exceed0.32 % on heat analysis. When one or more of these elements are specified, thesum does not apply; in which case, only the individual limits on the re
47、mainingelements shall apply.TABLE 4 Typical Ranges of Mechanical PropertiesA(Nonmandatory)Bfor Twin Roll Cast Hot Rolled Steel SheetDesignations CS and DSDesignationYield StrengthElongation in2 in. 50 mm %Cksi MPaDS Types A and B 35 to 45 240 to 310 2635 to 55 240 to 380 24CS Types A and B 40 to 50
48、250 to 340 22CS Type D 40 to 60 250 to 410 20AThe yield strength tends to increase and the elongation tends to decrease asthe sheet thickness decreases. These properties represent those typical ofmaterial in the thickness range of 0.050 in. 1.27 mm to 0.065 in. 1.65 mm.BThe typical mechanical proper
49、ty values presented here are non mandatory.CYield strength and elongation are measured in the longitudinal direction inaccordance with Test Methods and Definitions A370.A1039/A1039M 1139. Finish and Appearance9.1 Surface Finish:9.1.1 The material shall be furnished as-cast or as-rolled,(that is, without removing the surface oxide or scale), unlessotherwise specified.9.1.2 When required, the material shall be specified aspickled or blast cleaned (descaled).
