1、Designation:A1039/A1039M11 Designation: A1039/A1039M 12Standard 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 followi
2、ng 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.1. Scope*1.1 This specification
3、 covers commercial and structural steel sheet in coils and cut lengths produced by the twin-roll castingprocess.1.2 The steel sheet is available in the designations listed in Section 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.
4、 2000 mm1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo systems may result in non-confor
5、mance with the standard.NOTE 1A description of the Twin-Roll Casting Process is included in Appendix X1.2. Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA568/A568M Specification for Steel, Sheet, Carbon, Structural, and High-Strengt
6、h, Low-Alloy, Hot-Rolled and Cold-Rolled,General Requirements forA941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys3. Terminology3.1 DefinitionsFor definitions of other terms used in this specification refer to Terminology A941.3.2 Definitions of Terms Specific to T
7、his Standard:3.2.1 twin roll casting process, nproduction of steel sheet directly from liquid metal.3.2.1.1 DiscussionThe properties of the steel sheet are the result of the control of the casting conditions, and in some cases,through a combination of the casting process and hot rolling of the sheet
8、.4. Classification4.1 Twin-roll cast steel sheet is available in the following designations: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, 36 250 Types 1 and 2, 40 275, 45 305, 50 340, 55 380, 60 410,70 480,
9、and 80 550), and4.1.4 High-Strength Low-Alloy steel (HSLAS, classes 1 and 2 in grades 45 310, 50 340, 55 380, 60 410, 65 450, 70480 and 80 550.5. Ordering Information5.1 It is the purchasers responsibility to specify in the purchase order all ordering information necessary to describe the required1T
10、his specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.19on Steel Sheet and Strip.Current edition approved Nov.April 15, 2011.2012. Published December 2011.May 2012. Originally approved in 20
11、04. Last previous edition approved in 20102011 asA1039/A1039M 101. DOI: 10.1520/A1039_A1039M-112.2For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Docu
12、ment Summary page on the ASTM website.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM
13、recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO B
14、ox C700, West Conshohocken, PA 19428-2959, United States.material. Examples of such information include, 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 hot rolled sheet) (include grade and class, and limi
15、ts for Cu, Ni, Cr, andMo as appropriate, for CS, DS, SS, and HSLAS) (see 4.1),5.1.2.1 When a type is not specified for CS, Type B will be furnished,5.1.2.2 When a type is not specified for DS, Type B will be furnished,5.1.2.3 When a class for HSLAS is not specified, Class 1 will be furnished.5.1.2.4
16、 When limits for Cu, Ni, Cr, and Mo are not specified, limit H (see Table 1) will be furnished.5.1.3 Finish (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 lengths or coils),5.1.7 Coil size (inside diameter, o
17、utside diameter, and maximum 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 requested, for CS or DS. For materials with required mechanical properties,SS or HSLAS, a repor
18、t is required of heat analysis and mechanical properties as determined by the tension test, and5.1.12 Special requirements (if any).5.1.12.1 When the purchaser requires thickness tolerances for38 in. 10 mm minimum edge distance (see SupplementaryRequirement in Specification A568/A568M), this require
19、ment shall 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 36 by 96in, 100 000 lb, for part no. 6310, for shelf bracket, orASTMA1039/A1039M, hot rolled steel sheet, SS G
20、rade 40, pickled and oiled, cut edge, 1.5 by 117 mm by coil, ID 600 mm, OD 1500 mm, max weight10 000 kg, 100 000 kg, for part number A4885 for lower housing.TABLE 1 Chemical RequirementsA,Bfor Twin Roll Cast Hot Rolled Steel Sheet Designations SS and HSLASDesignation% Heat Analysis, Element Maximum
21、Unless Otherwise ShownCMn P SAlCSiCVCbTiNSS:DGrade 30 205 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
22、. . . . . . 0.008 0.008 0.008 . . .Grade 40 275 0.25 1.35 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
23、0.008 . . .Grade 60 410 0.25 1.35 0.035 0.04 . . . . . . 0.008 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.
24、005 min . . .Grade 45 310 Class 2 0.15 1.35 0.04 0.04 . . . . . . 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、25 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .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
26、min 0.005 min 0.005 min . . .Grade 65 450 Class 1 0.26 1.50 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
27、.15 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 minEGrade 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
28、but the analysis shall be reported.BThe limits for copper, 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 microallo
29、y elements selected for strengthening of the steel.DFor each 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
30、noted that, depending on the microalloying scheme (for example, 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 1226. General Requirements for Delivery6.1 Material furnished under this
31、 specification shall conform 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 the chemical requirements of the appropriate designation shown in Table 2for CS, Table 1 for SS and
32、 HSLAS, and Table 3 for Cu, Ni, Cr, and Mo.7.2 Each of the elements listed in Tables 1 and 2 shall be included in the report of the heat analysis. When the amount of copper,nickel, chromium, or molybdenum is less than 0.02 %, the analysis shall be reported as “0.02 %” or the actual determined value.
33、When the amount of vanadium, columbium, or titanium is less than 0.008 %, the analysis shall be reported as “0.008 %”or theactual determined value.7.3 Sheet steel grades defined by this specification are suitable for welding if appropriate welding conditions are selected.Certain welding processes ma
34、y require more restrictive composition limits than those included in Table 2 or Table 1, and in thesecases, the restrictive limits shall be reviewed with the producer at the time of inquiry and ordering.NOTE 3The twin-roll cast product may be deoxidized using either silicon or aluminum.8. Mechanical
35、 Properties8.1 CS:8.1.1 Typical, non-mandatory mechanical properties for CS are found in Table 4.8.1.2 The material shall be capable of being bent at room temperature in any direction through 180 flat on itself withoutcracking on the outside of the bent portion (see section on bend test of Test Meth
36、ods and Definitions A370).8.2 SS and HSLAS:8.2.1 The available grades and corresponding mechanical property requirements for SS and HSLAS steels are shown in Table5.8.2.2 Tension Tests:8.2.2.1 RequirementsMaterial as represented by the test specimen shall conform to the mechanical property requireme
37、ntsspecified in Table 5.8.2.2.2 Number of TestsTwo tension tests shall be made from each heat or from each 50 tons 45 000 kg. When the amountof finished material from a heat is less than 50 tons 45 000 kg, one tension test shall be made. When material rolled from oneheat differs 0.050 in. 1.27 mm or
38、 more in thickness, one tension test shall be made from the thickest and thinnest materialregardless of the weight represented.8.2.2.3 Tension test specimens shall be taken at a point immediately adjacent to the material to be qualified.8.2.2.4 Tension test specimens shall be taken from the full thi
39、ckness of the sheet as rolled.8.2.2.5 Tension test specimens shall be taken from a location approximately halfway between the center of sheet and the edgeof the material as-cast or as-rolled.8.2.2.6 Tension test specimens shall be taken with the lengthwise axis of the test specimen parallel to the r
40、olling direction(longitudinal test).8.2.2.7 Test MethodYield strength shall be determined by either the 0.2 % offset method or the 0.5 % extension under loadmethod unless otherwise specified.8.2.3 Bending Properties:8.2.3.1 The suggested minimum inside radii for cold bending are listed in Appendix X
41、2. More detail on this topic is providedin the section on Mechanical Properties of Specification A568/A568M. Where a tighter bend radius is required, or where curvedor offset bends are involved, or where stretching or drawing are also a consideration, the producer shall be consulted.9. Finish and Ap
42、pearance9.1 Surface Finish: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 0.15 0.06 0.008 0.008 0.0
43、08 . . .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 .CS Type D 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 . . . .
44、 . . 0.20 0.20 0.15 0.06 0.008 0.008 0.008 . . .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 .DS Type D 0.15 0.60 0.030 0.035 . . 0.50 0.30 0.30 0.15 0.008 0.008 0.008
45、.AWhere an ellipsis () appears in the table, there is no requirement, but the analysis shall be reported.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 Ty
46、pe D to avoid carbon levels below 0.02 %.A1039/A1039M 1239.1.1 The material shall be furnished as-cast or as-rolled, (that is, without removing the surface oxide or scale), unless otherwisespecified.9.1.2 When required, the material shall be specified as pickled or blast cleaned (descaled).9.2 Oilin
47、g:9.2.1 Unless other specified, as-cast or as-rolled material shall be furnished not oiled (that is, dry), and pickled or blast cleanedmaterial shall be furnished oiled.9.3 Edges:9.3.1 Steel sheet is available with mill edge or cut edge.10. Retests and Qualification10.1 The procedures for conducting
48、 testing in instances where the initial test results indicate non-conformance withspecification requirements are described in A568/A568M.11. Certification11.1 A report of heat analysis shall be supplied, if requested, for CS and DS steels. For product with required mechanicalproperties, SS and HSLAS
49、, a report is required of heat analysis and mechanical properties as determined by the tension test.11.2 The report shall include the purchase order number, the ASTM designation number and year date, product designation,grade, and type, as applicable.11.3 A signature is not required on the test report. However, the document shall clearly identify the organization submitting thereport. Notwithstanding the absence of a signature, the organization submitting the report is
