ASTM A1011 A1011M-2017 Standard Specification for Steel Sheet and Strip Hot-Rolled Carbon Structural High-Strength Low-Alloy High-Strength Low-Alloy with Improved Formability and U.pdf

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1、Designation: A1011/A1011M 15A1011/A1011M 17Standard Specification forSteel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with ImprovedFormability, and Ultra-High Strength1This standard is issued under the fixed designation A1011/A1011M; the number

2、 immediately following 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.This standa

3、rd has been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specification covers hot-rolled, carbon, structural, high-strength low-alloy, high-strength low-alloy with improvedformability, and ultra-high strength steel sheet and strip, in coils and cut lengths.1.2 Hot

4、 rolled steel sheet and strip is available in the designations as listed in 4.1.1.3 This specification is not applicable to the steel covered by Specification A635/A635M.1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachs

5、ystem 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 the standard.1.5 This international standard was developed in accordance with internationally recognized principles on standard

6、izationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Te

7、sting of Steel ProductsA568/A568M Specification for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled,General Requirements forA635/A635M Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Alloy, Carbon, Structural,High-Strength Low-A

8、lloy, and High-Strength Low-Alloy with Improved Formability, General Requirements forA749/A749M Specification for Steel, Strip, Carbon and High-Strength, Low-Alloy, Hot-Rolled, General Requirements forA751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel ProductsA941 Terminolo

9、gy Relating to Steel, Stainless Steel, Related Alloys, and FerroalloysE18 Test Methods for Rockwell Hardness of Metallic Materials3. Terminology3.1 DefinitionsFor definitions of other terms used in this specification refer to Terminology A941.3.2 Definitions of Terms Specific to This Standard:3.2.1

10、aging, nloss of ductility with an increase in hardness, yield strength, and tensile strength that occurs when steel, whichhas been slightly cold worked (such as by temper rolling) is stored for some time.3.2.1.1 Discussion1 This specification is under the jurisdiction ofASTM Committee A01 on Steel,

11、Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee A01.19on Steel Sheet and Strip.Current edition approved Dec. 1, 2015May 1, 2017. Published January 2016June 2017. Originally approved in 2000. Last previous edition approved in 20142015 asA1011/A1011M 14.A1011/A1011M

12、15. DOI: 10.1520/A1011_A1011M-15.10.1520/A1011_A1011M-17.2 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

13、 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 recommends that users consult prior edition

14、s 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 standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. U

15、nited States1Aging also increases the tendency toward stretcher strains and fluting.3.2.2 inclusion control, nthe process of reducing the volume fraction of inclusions or modifying the shape of inclusions toimprove formability, weldability, and machinability.3.2.2.1 DiscussionInclusions, especially

16、those elongated during the rolling process, create the conditions for initiating or propagating cracks whenthe material is stretched or bent during the manufacture of a part (or both). The adverse effects of inclusions are minimized byreducing the content of inclusions in the steel or by altering th

17、e shape of inclusions through the use of additions during thesteelmaking process that change the elongated shape of the inclusions to less harmful small, well dispersed globular inclusions (orboth).3.2.3 stabilization, naddition of one or more nitride or carbide forming elements, or both, such as ti

18、tanium and columbium,to control the level of the interstitial elements carbon and nitrogen in the steel.3.2.3.1 DiscussionStabilization improves formability and increases resistance to aging.3.2.4 vacuum degassing, nprocess of refining liquid steel in which the liquid is exposed to a vacuum as part

19、of a specialtechnique for removing impurities or for decarburizing the steel.3.2.5 Special Forming Steel (SFS), nSteel ordered to 1010 chemistry or greater levels of carbon, manganese or both, whichexhibits enhanced formability or mechanical properties. The characteristics identifying the enhanced f

20、ormability or mechanicalproperties shall be specified by the user or purchaser, on the purchase order. If requested, the producer or seller shall provideverification of special practices or mechanical properties supporting enhanced formability.3.2.5.1 DiscussionSteel grades such as CS 1010 or CS 102

21、0 for example, adheres to chemistry requirements only, whereas SFS 1010 or SFS 1020, also provide enhanced formability. Due to greater carbon content, SFS 1020 is not as formable as SFS 1010.4. Classification4.1 Hot-rolled steel sheet and steel strip is available in the following designations:4.1.1

22、Commercial Steel (CS Types A, B, C, and D, as specified in Table 1),4.1.2 Commercial Steel (CSTypesAand B combined with chemistry grade per in accordance with Specification A568/A568MTable X2.3),4.1.3 Drawing Steel (DS Types A and B, as specified in Table 1),TABLE 1 Chemical CompositionFor Hot Rolle

23、d Steel Sheet and Strip Designations CS, DS, and SFSComposition, % Heat AnalysisElement maximum unless otherwise shownC Mn P S Al Si Cu Ni CrB Mo V CbCb/NbJ TiC N BCS Type AD,E,F,G 0.10 0.60 0.030 0.035 A A 0.20H 0.20 0.15 0.06 0.008 0.008 0.025 A ACS Type BF 0.02 to 0.15 0.60 0.030 0.035 A A 0.20H

24、0.20 0.15 0.06 0.008 0.008 0.025 A ACS Type CD,E,F,G 0.08 0.60 0.10 0.035 A A 0.20H 0.20 0.15 0.06 0.008 0.008 0.025 A ACS Type DF 0.10 0.70 0.030 0.035 A A 0.20H 0.20 0.15 0.06 0.008 0.008 0.008 A ADS Type AD,E,G 0.08 0.50 0.020 0.030 0.01 min A 0.20 0.20 0.15 0.06 0.008 0.008 0.025 A ADS Type B 0.

25、02 to 0.08 0.50 0.020 0.030 0.01 min A 0.20 0.20 0.15 0.06 0.008 0.008 0.025 A ASFS I I 0.020 0.030 0.01 min A 0.20 0.20 0.15 0.06 0.008 0.008 0.025 A AA There is no specified limit, but the analysis shall be reported.B Chromium is permitted, at the producers option, to 0.25 % maximum when the carbo

26、n content is less than or equal to 0.05 %.C For steels containing 0.02 % carbon or more, titanium is permitted at the producers option, to the lesser of 3.4N + 1.5S or 0.025 %.D Specify Type B to avoid carbon levels below 0.02 %.E For carbon levels less than or equal to 0.02 %, it is permissible to

27、use vanadium, columbium, or titanium, or combinations thereof, as stabilizing elements at the producersoption. In such case, the limits for these elements are 0.10 % for vanadium or columbium and 0.15 % for titanium.F When an aluminum deoxidized steel is required, it is permissible to order a minimu

28、m of 0.01 % total aluminum.G It is permissible to furnish as a vacuum degassed or chemically stabilized steel, or both, at producers option.H When copper steel is specified, the copper limit is a minimum requirement. When copper steel is not specified, the copper limit is a maximum requirement.I Car

29、bon CS Type B 1008, DS Type A -1005, and so forth,5.1.2.2 When a chemistry grade is specified in accordance with Specification A568/A568M Table X2.1, with no reference toCS Type A, CS Type B, DS Type A, DS Type B, or SFS, the grade shall be furnished as CS 1005, CS 1008, CS 1020 andso forth, and mee

30、t chemistry specified in accordance with Specification A568/A568M Table X2.1,5.1.2.3 When a type is not specified for CS or DS and there is no reference to a chemistry grade such as 1005, 1006, and soforth, Type B will be furnished (see 4.1),5.1.2.4 When SFS is specified, a chemistry grade designati

31、on shall also be specified in accordance with SpecificationA568/A568M Table X2.1 (in other words, 1010, 1020, and so forth), or carbon forexample the manufacturers name or brand, the processors name or brand or the sellers name or brand, ASTM specificationnumber and year date, product designation, g

32、rade, type or class, as applicable, and all other information necessary to completelyidentify the material.11.6 A signature is not required on test reports and certificates of compliance. Notwithstanding the absence of a signature, theorganization submitting the test reports or certificates of compl

33、iance is responsible for the accuracy of the information.11.7 When electronic data interchange (EDI) is used to transmit material test reports or certificates of compliance they shall beregarded as having the same validity as a counterpart printed in the certifiers facility. The content of the EDI t

34、ransmitted documentshall meet all of the requirements indicated in 11.2 11.5.11.8 The furnishing of a test report or certificate of compliance, or both, shall not restrict the right of the purchaser to sampleand test the product furnished.12. Product Marking12.1 In addition to the requirements of Sp

35、ecification A568/A568M for sheet and Specification A749/A749M for strip, each liftor coil shall be marked with the designation shown on the order CS (Type A, B, or C), DS (Type A or B), SFS (Grade, CarbonTABLE 3 Typical Ranges of Mechanical PropertiesA(Nonmandatory)BFor Hot-Rolled for Hot-rolled Ste

36、el Sheet and Strip DesignationsCS and DS (Includes Grades in Accordance withWithSpecification A568/A568M, Table X2.3)Designation Yield StrengthC Elongation in 2 in. 50mm %Cksi MPaCS Types A, B, C, and D 30 to 50 205 to 340 $25DS Types A and B 30 to 45 205 to 310 $28A The yield strength tends to incr

37、ease and the elongation tends to decrease as thesheet thickness decreases. These properties represent those typical of material inthe thickness range of 0.100 to 0.150 in. 2.5 to 3.5 mm for CS Types A, B, andDS TypesAand B and in the thickness ranges of 0.060 to 0.075 in. 1.5 to 1.9 mmfor CS Type D.

38、B The typical mechanical property values presented here are nonmandatory. Theyare provided to assist the purchaser in specifying a suitable steel for a givenapplication. Values outside these ranges are to be expected.C Yield strength and elongation are measured in the longitudinal direction inaccord

39、ance with Test Methods and Definitions A370.A1011/A1011M 176or Manganese or both), SS (Grade and for SS36, Type), HSLAS (Grade and Class), HSLAS-F (Grade), or UHSS (Type andGrade). The designation shall be legibly stenciled on the top of each lift or shown on a tag attached to each coil or shipping

40、unit.13. Keywords13.1 carbon steel sheet; carbon steel strip; commercial steel; drawing steel; special forming steel; high strength-low alloy steel;high strength-low alloy steel with improved formability; hot-rolled steel sheet; hot-rolled steel strip; steel sheet; steel strip;structural steel; ultr

41、a-high strength steelTABLE 4 Mechanical Property RequirementsAFor Hot Rolled Steel Sheet and Strip Designations SS, HSLAS, HSLAS-F, and UHSSDesignation Yield Strength Tensile StrengthB Elongation in 2 in. 50 mm min, % for Thicknesses:Elongationin 8 in. 200mm, % forThickness:ksi MPa min ksi MPa min o

42、rrangeUnder 0.2306.0 mm to 0.0972.5 mmUnder 0.0972.5 mm to0.064 1.6mmUnder0.064 1.6mm to0.025 0.65mmUnder0.230 6.0mmSS:Grade 30 205 30 205 49 340 25 24 21 19Grade 33 230 33 230 52 360 23 22 18 18Grade 36 250 Type 1 36 250 53 365 22 21 17 17Grade 36 250 Type 2 36 250 58-80 400-550 21 20 16 16Grade 40

43、 275 40 275 55 380 21 20 15 16Grade 45 310 Type 1 45 310 60 410 19 18 13 14Grade 45 310 Type 2 456031041060 410 20 19 14 15Grade 50 340 50 340 65 450 17 16 11 12Grade 55 380 55 380 70 480 15 14 9 10Grade 60 410 60 410 75 520 14 13 8 9Grade 70 480 70 480 85 585 13 12 7 8Grade 80 550 80 550 95 620 12

44、11 6 7HSLAS: Over 0.097 in. 2.5mmUp to 0.097 2.5 mm . . .Grade 45 310 Class 1 45 310 60 410 25 23 . . .Grade 45 310 Class 2 45 310 55 380 25 23 . . .Grade 50 340 Class 1 50 340 65 450 22 20 . . .Grade 50 340 Class 2 50 340 60 410 22 20 . . .Grade 55 380 Class 1 55 380 70 480 20 18 . . .Grade 55 380

45、Class 2 55 380 65 450 20 18 . . .Grade 60 410 Class 1 60 410 75 520 18 16 . . .Grade 60 410 Class 2 60 410 70 480 18 16 . . .Grade 65 450 Class 1 65 450 80 550 16 14 . . .Grade 65 450 Class 2 65 450 75 520 16 14 . . .Grade 70 480 Class 1 70 480 85 585 14 12 . . .Grade 70 480 Class 2 70 480 80 550 14

46、 12 . . .HSLAS-F:Grade 50 340 50 340 60 410 24 22 . . .Grade 60 410 60 410 70 480 22 20 . . .Grade 70 480 70 480 80 550 20 18 . . .Grade 80 550 80 550 90 620 18 16 . . .UHSS:Grade 90 620 Types 1and 290 620 100 690 16 14 . . .Grade 100 690 Types 1and 2100 690 110 760 14 12 . . .A For coil products, t

47、esting by the producer is limited to the end of the coil. Mechanical properties throughout the coil shall comply with the minimum values specified.B A minimum and maximum tensile strength has been specified for SS36 Type 2.A1011/A1011M 177APPENDIXES(Nonmandatory Information)X1. BENDING PROPERTIES(No

48、nmandatory Information)X2. RELATED ISO STANDARDSThe ISO standards listed below may be reviewed for comparison with thisASTM standard. The relationship between the standardsmay only be approximate; therefore, the respective standards should be consulted for actual requirements. Those who use thesedoc

49、uments must determine which specifications address their needs.ISO 3573 Hot-rolled Carbon Steel Sheet of Commercial and Drawing QualitiesISO 4995 Hot-rolled Steel Sheet of Structural QualityISO 4996 Hot-rolled Steel Sheet of High Yield Stress Structural QualityISO 5951 Hot-rolled Steel Sheet of Higher Yield Strength with I