1、Designation: A1011/A1011M 17aA1011/A1011M 18Standard 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 numbe
2、r 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 stand
3、ard 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 Ho
4、t 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 each
5、system 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 standar
6、dizationestablished 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 T
7、esting 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-
8、Alloy, 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 Terminol
9、ogy 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 Nov. 1, 2017June 1, 2018. Published December 2017August 2018. Originally approved in 2000. Last previous edition approved in 2017 asA1011/A1011M 17.A1011/A1011M
12、 17a. DOI: 10.1520/A1011_A1011M-17A.10.1520/A1011_A1011M-18.2 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.T
13、his 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 edit
14、ions 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
15、. United 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, especial
16、ly 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
17、 the 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
18、 titanium 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 pa
19、rt 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.3.2.5.1 DiscussionSteel grades such as CS 10
20、10 or CS 1020 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 designa
21、tions:4.1.1 Commercial Steel (CS Types A, B, C, and D, as specified in Table 1),4.1.2 Commercial Steel (CS Types A and B combined with chemistry grade in accordance with Specification A568/A568MTable X2.3),4.1.3 Drawing Steel (DS Types A and B, as specified in Table 1),4.1.4 Drawing Steel (DS Types
22、A and B combined with chemistry grade in accordance with Specification A568/A568M TableX2.3,TABLE 1 Chemical CompositionFor Hot Rolled 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 Cb/NbJ TiC N BCS Ty
23、pe 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 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
24、.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 0.02 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 spe
25、cified limit, but the analysis shall be reported.B Chromium is permitted, at the producers option, to 0.25 % maximum when the carbon 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
26、.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 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
27、 vanadium or columbium and 0.15 % for titanium.F When an aluminum deoxidized steel is required, it is permissible to order a minimum 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 specif
28、ied, the copper limit is a minimum requirement. When copper steel is not specified, the copper limit is a maximum requirement.I Carbon CS Type B 1008, DS Type A -1005, 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 refer
29、ence 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 meet 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 chemi
30、stry 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 designation shall also be specified in accordance with SpecificationA568/A568M Table X2.1 (in other words, (that is, 1010, 1020, and so forth), or carbon forexample the man
31、ufacturers name or brand, the processors name or brand or the sellers name or brand, ASTM specificationnumber and year date, product designation, grade, type or class, as applicable, and all other information necessary to completelyidentify the material.11.6 A signature is not required on test repor
32、ts and certificates of compliance. Notwithstanding the absence of a signature, theorganization submitting the test reports or certificates of compliance is responsible for the accuracy of the information.11.7 When electronic data interchange (EDI) is used to transmit material test reports or certifi
33、cates of compliance they shall beregarded as having the same validity as a counterpart printed in the certifiers facility. The content of the EDI transmitted 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,
34、shall not restrict the right of the purchaser to sampleand test the product furnished.12. Product Marking12.1 In addition to the requirements of Specification A568/A568M for sheet and Specification A749/A749M for strip, each liftor coil shall be marked with the designation shown on the order CS(CS (
35、TypeA, B, or C), DS (TypeAor B), SFS (Grade, CarbonTABLE 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.200 mm,% forThickn
36、ess:ksi MPa min ksi MPa minor rangeUnder0.230 to 0.097 in.6.0 to 2.5 mmUnder 0.097to 0.064 in.2.5 to1.6 mmUnder0.064 in. to0.025 in.1.6 to0.65 mmUnder0.230 in.6.0 mmSS: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 25
37、0 Type 2 36 250 58-80 400-550 21 20 16 16Grade 40 275 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 4
38、80 85 585 13 12 7 8HSLAS:Over 0.097 in.2.5 mmUp to 0.097 in.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 . .
39、.Grade 55 380 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
40、 480 80 550 14 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 1 and 2 90 620 100 690 16 14 . . .Grade 100 690 Types 1 and 2 100 690 110 760 14 12 . . .A Fo
41、r coil products, testing 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 187or Manganese or both), SS (Grade and for SS
42、36, Type), HSLAS (Grade and Class), HSLAS-F (Grade), or UHSS (Type andGrade).Grade). The designation shall be legibly stenciled on the top of each lift or shown on a tag attached to each coil orshipping unit.13. Keywords13.1 carbon steel sheet; carbon steel strip; commercial steel; drawing steel; sp
43、ecial 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; ultra-high strength steelAPPENDIXES(Nonmandatory Information)X1. BENDING PROPERTIESTABLE X1.1 Suggest
44、ed Minimum Inside Radius for Cold BendingNOTE 1(t) Equals a radius equivalent to the steel thickness.NOTE 2The suggested radius should be used as a minimum for 90bends in actual shop practice.NOTE 3Material which does not perform satisfactorily, when fabri-cated in accordance with the above requirem
45、ents, may be subject torejection pending negotiation with the steel supplier.Designation Grade Minimum InsideRadius forCold BendingStructural Steel 30 205 1 t33 230 1 t36 250 Type 1 1 t36 250 Type 2 112 t40 275 2 t45 310 Type 1 2 t45 310 Type 2 2 t50 340 2 t55 380 212 t60 410 3 t70 480 312 t4 tHigh-
46、Strength Low-AlloySteel Class 1 Class 245 310 112 t 112 t50 340 2 t 112 t55 380 2 t 2 t60 410 212 t 2 t65 450 3 t 212 t70 480 312 t 3 tHigh-Strength Low-alloySteel with Improved Form-ability50 340 1 t60 410 112 t70 480 2 t80 550 2 tUltra-High Strength SteelTypes 1 and 290 620 212 t100 690 212 tA1011
47、/A1011M 188X2. 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 thesedocuments must
48、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 Improved FormabilityISO 6316 Hot-rolled Carbon Steel Strip of Structural QualityISO 6317 Hot-rolled Carbon Steel Strip of Commercial and Drawing QualitiesX3. HARDNESS PROPERTIESX3.1 TableTable X3.1 Table X3.1 lists the typical hardness values.TABLE X3.1 Typical Hardness
