1、Designation: A1039/A1039M 12A1039/A1039M 13Standard 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 desig
2、nation 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 covers comm
3、ercial 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. 2000 mm1.4
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-conformance with t
5、he 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-Strength, Low-Alloy
6、, 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 This Standard
7、: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 combinationof the casting process and hot rolling of the sheet.4. Classifi
8、cation4.1 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),1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct r
9、esponsibility of Subcommittee A01.19on Steel Sheet and Strip.Current edition approved April 15, 2012Feb. 1, 2013. Published May 2012February 2013. Originally approved in 2004. Last previous edition approved in 20112012 asA1039/A1039M 11.A1039/A1039M 12.DOI:10.1520/A1039_A1039M-12.10.1520/A1039_A1039
10、M-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended on
11、ly 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 recommends that users consult prior editions as appropriate. In all cases only the current vers
12、ionof the standard as published by ASTM is to be considered the official document.*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 States14.1.3 Structural steel (SS Grades 30 20
13、5, 33 230, 36 250 Types 1 and 2, 40 275, 45 305, 50 340, 55 380, 60 410,70 480, 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
14、the purchase order all ordering information necessary to describe the requiredmaterial. 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 grad
15、e and class, and limits 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
16、 be furnished.5.1.2.4 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 siz
17、e (inside diameter, outside 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 Areport of heat analysis will be supplied, if requested, for CS or DS. For materials with required mechanical properties,
18、SS or HSLAS, a report 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 for 38 in. 10 mm minimum edge distance (see SupplementaryRequirement in Specification A568
19、/A568M), this requirement 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, orASTM A1039/A1039M, hot ro
20、lled steel sheet, SS Grade 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.6. General Requirements for Delivery6.1 Material furnished under this specification shall conform to the applicable requi
21、rements 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 HSLAS, and Table 3 for Cu, Ni, Cr, and Mo.7.2 Each
22、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.When the amount of vanadium, columbium, or titanium
23、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 may require more restrictive composition limits than t
24、hose 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 Properties8.1 CS:8.1.1 Typical, non-mandatory mecha
25、nical 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 Methods and Definitions A370).8.2 SS and HSLAS:8.2.1 The
26、 available grades and corresponding mechanical property requirements for SS and HSLAS steels are shown in Table5.A1039/A1039M 1328.2.2 Tension Tests:8.2.2.1 RequirementsMaterial as represented by the test specimen shall conform to the mechanical property requirementsspecified in Table 5.8.2.2.2 Numb
27、er 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 more in thickness, one tension test
28、 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.TABLE 1 Chemical RequirementsA,B for Twin Roll Cast Hot Rolled Steel Sheet Designations SS and HSLA
29、SDesignation % Heat Analysis, Element Maximum Unless Otherwise ShownC Mn P S AlC SiC V Cb Ti NSS:DGrade 302050.25 0.90 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 332300.25 0.90 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 36250 Type 10.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008
30、 . . .Grade 36250 Type 20.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 402750.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 453050.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 503450.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 553800.25 1.3
31、5 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 604100.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 704800.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .Grade 805500.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .HSLAS:CGrade 45310 Class 1D0.22 1.35 0.04 0.04 . .
32、. . . . 0.005 min 0.005 min 0.005 min . . .Grade 45310 Class 20.15 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 50340 Class 1D0.23 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 50340 Class 20.15 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . .
33、 .Grade 55380 Class 1D0.25 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 55380 Class 20.15 1.35 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 60410 Class 10.26 1.50 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 60410 Class 20.15 1.50 0.04 0.04
34、. . . . . . 0.005 min 0.005 min 0.005 min . . .Grade 65450 Class 10.26 1.50 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min EGrade 65450 Class 20.15 1.50 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min EGrade 70480 Class 10.26 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min EGrade 7
35、0480 Class 20.15 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min EGrade 80550 Class 10.26 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min EGrade 80550 Class 20.15 1.65 0.04 0.04 . . . . . . 0.005 min 0.005 min 0.005 min EA Where an ellipsis (. . .) appears in the table, there is no
36、 requirement but the analysis shall be reported.B The limits for copper, nickel, chromium and molybdenum are shown in Table 3.C HSLAS steels contain the strengthening elements columbium (niobium), vanadium, titanium, and molybdenum added singly or in combination. The minimumrequirements only apply t
37、o the microalloy elements selected for strengthening of the steel.D For 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 a maximumof 1.50 %.E The purchaser has the option of restricting the nitrogen conte
38、nt. It should be noted that, depending on the microalloying scheme (for example, use of vanadium) of theproducer, nitrogen is permitted as a deliberate addition. Consideration should be made for the use of nitrogen binding elements.A1039/A1039M 1338.2.2.4 Tension test specimens shall be taken from t
39、he full thickness 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 parall
40、el to the rolling 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:TABLE 2 Chemical RequirementsA for Twin Roll Cast Hot Rolled Steel Sheet
41、Designations CS and DSComposition, % Heat Analysis, Element Maximum Unless Otherwise ShownC Mn P S AlB Si CuC Ni Cr Mo V Cb Ti NCS TypeAD0.10 0.70 0.030 0.035 . . . . . . 0.20 0.20 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.
42、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 TypeAD0.10 0.60 0.030 0.035 . . . . . . 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 0.15 0.60 0.0
43、30 0.035 . . . . . . 0.50 0.30 0.30 0.15 0.008 0.008 0.008 . . .A Where an ellipsis () appears in the table, there is no requirement, but the analysis shall be reported.B When aluminum deoxidized steel is required, it may be ordered to a minimum of 0.01 % total aluminum.C When copper steel is specif
44、ied, the copper limit is a minimum of 0.20 %.D Specify Type B to avoid carbon levels below 0.02 %.TABLE 3 Chemical Requirements: Cu, Ni, Cr, and Mo forStructural Steels and High-Strength Low-Alloy Steels% Heat Analysis, maximum Unless Otherwise SpecifiedDesignation Limits CuA,B NiB CrB,C MoB,CSS:All
45、 grades L 0.35 0.20 0.15 0.06H 0.50 0.30 0.30 0.16HSLAS:All gradesandclassesL 0.35 0.20 0.15 0.06H 0.50 0.30 0.30 0.16A When copper is specified, a minimum of 0.20 % is required. When copper steelis not specified, the copper limit is a maximum requirement.B For limit H steels, the sum of copper, nic
46、kel, 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; in which case only theindividual limits on the remaining elements shall apply.C For limit H steels, the sum of chromium and molybdenum shal
47、l 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 remainingelements shall apply.TABLE 4 Typical Ranges of Mechanical PropertiesA(Nonmandatory)B for Twin Roll Cast Hot Rolled Steel SheetDesign
48、ations CS and DScolwidth=“0.78in“/COLSPECDesignation Yield Strength Elongation in2 in. 50 mm %Cksi MPaDS Types A and B 35 to 45 240 to 310 26DS Type D 35 to 55 240 to 380 24CS Types A and B 40 to 50 250 to 340 22CS Types A and B 35 to 50 240 to 340 22CS Type D 40 to 60 250 to 410 20CS Type D 35 to 6
49、0 240 to 410 20A The yield strength tends to increase and the elongation tends to decrease as thesheet thickness decreases. These properties represent those typical of material inthe thickness range of 0.050 in. 1.27 mm to 0.065 in. 1.65 mm.B The typical mechanical property values presented here are non mandatory.C Yield strength and elongation are measured in the longitudinal direction inaccordance with Test Methods and Definitions A370.A1039/A103
