1、Designation: A1011/A1011M 15Standard 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 immediately fo
2、llowing 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 standard has been app
3、roved 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 im-proved formability, and ultra-high strength steel sheet and strip,in coils and cut lengths.1.2 Hot rolled steel s
4、heet and strip is available in thedesignations as listed in 4.1.1.3 This specification is not applicable to the steel coveredby Specification A635/A635M.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be e
5、xact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.2. Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA568/A568M Specifi
6、cation for Steel, Sheet, Carbon,Structural, and High-Strength, Low-Alloy, Hot-Rolled andCold-Rolled, General Requirements forA635/A635M Specification for Steel, Sheet and Strip,Heavy-Thickness Coils, Hot-Rolled, Alloy, Carbon,Structural, High-Strength Low-Alloy, and High-StrengthLow-Alloy with Impro
7、ved Formability, General Require-ments forA749/A749M Specification for Steel, Strip, Carbon andHigh-Strength, Low-Alloy, Hot-Rolled, General Require-ments forA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsA941 Terminology Relating to Steel, Stainless Steel, Rel
8、atedAlloys, and FerroalloysE18 Test Methods for Rockwell Hardness of Metallic Ma-terials3. 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 aging, nloss of ductility with an increase
9、inhardness, yield strength, and tensile strength that occurs whensteel, which has been slightly cold worked (such as by temperrolling) is stored for some time.3.2.1.1 DiscussionAging also increases the tendency to-ward stretcher strains and fluting.3.2.2 inclusion control, nthe process of reducing t
10、hevolume fraction of inclusions or modifying the shape ofinclusions to improve formability, weldability, and machinabil-ity.3.2.2.1 DiscussionInclusions, especially those elongatedduring the rolling process, create the conditions for initiating orpropagating cracks when the material is stretched or
11、bentduring the manufacture of a part (or both). The adverse effectsof inclusions are minimized by reducing the content ofinclusions in the steel or by altering the shape of inclusionsthrough the use of additions during the steelmaking processthat change the elongated shape of the inclusions to lessh
12、armful small, well dispersed globular inclusions (or both).3.2.3 stabilization, naddition of one or more nitride orcarbide forming elements, or both, such as titanium andcolumbium, to control the level of the interstitial elementscarbon and nitrogen in the steel.3.2.3.1 DiscussionStabilization impro
13、ves formability andincreases resistance to aging.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.19 on Steel Sheet and Strip.Current edition approved Dec. 1, 2015. Published January 20
14、16. Originallyapproved in 2000. Last previous edition approved in 2014 as A1011/A1011M 14.DOI: 10.1520/A1011_A1011M-15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer
15、to the standards Document Summary page onthe ASTM website.*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 States13.2.4 vacuum degassing, nprocess of refining liquid steelin whi
16、ch the liquid is exposed to a vacuum as part of a specialtechnique for removing impurities or for decarburizing thesteel.3.2.5 Special Forming Steel (SFS), nSteel ordered to 1010chemistry or greater levels of carbon, manganese or both,which exhibits enhanced formability or mechanical properties.The
17、characteristics identifying the enhanced formability ormechanical properties shall be specified by the user orpurchaser, on the purchase order. If requested, the producer orseller shall provide verification of special practices or mechani-cal properties supporting enhanced formability.3.2.5.1 Discus
18、sionSteel grades such as CS 1010 or CS 1020 for example, adheres to chemistry requirements only,whereas SFS 1010 or SFS 1020, also provide enhancedformability. Due to greater carbon content, SFS 1020 is notas formable as SFS 1010.4. Classification4.1 Hot-rolled steel sheet and steel strip is availab
19、le in thefollowing designations:4.1.1 Commercial Steel (CS Types A, B, C, and D, asspecified in Table 1),4.1.2 Commercial Steel (CS TypesAand B combined withchemistry grade per Specification A568/A568M Table X2.3),4.1.3 Drawing Steel (DS Types A and B, as specified inTable 1),4.1.4 Drawing Steel (DS
20、 Types A and B combined withchemistry grade in accordance with Specification A568/A568M Table X2.3,4.1.5 Commercial Steel Chemistry grade in accordance withSpecification A568/A568M Table X2.1, with no type specified(CS 1005, CS 1008, CS 1020, and so forth),4.1.6 Special Forming Steel (SFS), chemistr
21、y as specified inTable 1 with carbon CS Type B 1008, DS Type A -1005, and soforth,5.1.2.2 When a chemistry grade is specified in accordancewith Specification A568/A568M Table X2.1, with no referenceto CS Type A, CS Type B, DS Type A, DS Type B, or SFS, thegrade shall be furnished as CS 1005, CS 1008
22、, CS 1020and so forth, and meet chemistry specified in accordance withSpecification A568/A568M Table X2.1,5.1.2.3 When a type is not specified for CS or DS and thereis 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,
23、 a chemistry grade designa-tion shall also be specified in accordance with SpecificationA568/A568M Table X2.1 (in other words, 1010, 1020, and soforth), or carbon for example the manufacturers name or brand, the processorsname or brand or the sellers name or brand, ASTM specifi-cation number and yea
24、r date, product designation, grade, typeor class, as applicable, and all other information necessary tocompletely identify the material.11.6 A signature is not required on test reports and certifi-cates of compliance. Notwithstanding the absence of asignature, the organization submitting the test re
25、ports orcertificates of compliance is responsible for the accuracy of theinformation.11.7 When electronic data interchange (EDI) is used totransmit material test reports or certificates of compliance theyshall be regarded as having the same validity as a counterpartprinted in the certifiers facility
26、. The content of the EDItransmitted document shall meet all of the requirementsindicated in 11.2 11.5.11.8 The furnishing of a test report or certificate ofcompliance, or both, shall not restrict the right of the purchaserto sample and test the product furnished.12. Product Marking12.1 In addition t
27、o the requirements of Specification A568/A568M for sheet and Specification A749/A749M for strip,each lift or coil shall be marked with the designation shown onthe order CS (Type A, B, or C), DS (Type A or B), SFS(Grade, Carbon or Manganese or both), SS (Grade and forSS36, Type), HSLAS (Grade and Cla
28、ss), HSLAS-F (Grade), orUHSS (Type and Grade). The designation shall be legiblystenciled on the top of each lift or shown on a tag attached toeach coil or shipping unit.13. Keywords13.1 carbon steel sheet; carbon steel strip; commercial steel;drawing steel; special forming steel; high strength-low a
29、lloyTABLE 3 Typical Ranges of Mechanical PropertiesA(Nonmandatory)BFor Hot-Rolled Steel Sheet and Strip Designations CS and DS(Includes Grades in Accordance with Specification A568/A568M,Table X2.3)Designation Yield StrengthCElongation in 2 in. 50mm %Cksi MPaCS Types A, B, C, and D 30 to 50 205 to 3
30、40 $25DS Types A and B 30 to 45 205 to 310 $28AThe 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 0.100 to 0.150 in. 2.5 to 3.5 mm for CS Types A, B, andDS TypesAand
31、B and in the thickness ranges of 0.060 to 0.075 in. 1.5 to 1.9 mmfor CS Type D.BThe 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.CYiel
32、d strength and elongation are measured in the longitudinal direction inaccordance with Test Methods and Definitions A370.A1011/A1011M 155steel; high strength-low alloy steel with improved formability;hot-rolled steel sheet; hot-rolled steel strip; steel sheet; steelstrip; structural steel; ultra-hig
33、h strength steelTABLE 4 Mechanical Property RequirementsAFor Hot Rolled Steel Sheet and Strip Designations SS, HSLAS, HSLAS-F, and UHSSDesignation Yield Strength Tensile StrengthBElongation in 2 in. 50 mm min, % for Thicknesses:Elongationin 8 in. 200mm, % forThickness:ksi MPa minksi MPa min orrangeU
34、nder 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 40 275 40
35、 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 11 6 7H
36、SLAS: 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 Class 2
37、 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 12 . .
38、 .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 . . .AFor coil products, testing b
39、y the producer is limited to the end of the coil. Mechanical properties throughout the coil shall comply with the minimum values specified.BA minimum and maximum tensile strength has been specified for SS36 Type 2.A1011/A1011M 156APPENDIXES(Nonmandatory Information)X1. BENDING PROPERTIES(Nonmandator
40、y Information)X2. RELATED ISO STANDARDSThe ISO standards listed below may be reviewed forcomparison with this ASTM standard. The relationship be-tween the standards may only be approximate; therefore, therespective standards should be consulted for actual require-ments. Those who use these documents
41、 must determine whichspecifications address their needs.ISO 3573 Hot-rolled Carbon Steel Sheet of Commercialand Drawing QualitiesISO 4995 Hot-rolled Steel Sheet of Structural QualityISO 4996 Hot-rolled Steel Sheet of High Yield StressStructural QualityISO 5951 Hot-rolled Steel Sheet of Higher Yield
42、Strengthwith Improved FormabilityISO 6316 Hot-rolled Carbon Steel Strip of StructuralQualityISO 6317 Hot-rolled Carbon Steel Strip of Commercialand Drawing QualitiesTABLE X1.1 Suggested Minimum Inside Radius for Cold BendingNOTE 1(t) Equals a radius equivalent to the steel thickness.NOTE 2The sugges
43、ted radius should be used as a minimum for 90 bends in actual shop practice.NOTE 3Material which does not perform satisfactorily, when fabricated in accordance with the above requirements, may be subject to rejectionpending negotiation with the steel supplier.Designation Grade Minimum Inside Radius
44、for Cold BendingStructural Steel 30205 1 t33230 1 t36250 Type 1 112 t36250 Type 2 2 t40275 2 t45310 Type 1 2 t45310 Type 2 2 t50340 212 t55380 3 t60410 312 t70480 4 t80550 4 tHigh-Strength Low-Alloy Steel Class 1 Class 245310 112 t112 t50340 2 t 112 t55380 2 t 2 t60410 212 t265450 3 t 212 t70480 312
45、 t3High-Strength Low-Alloy Steelwith Improved Formability50340 1 t60410 112 t70480 2 t80550 2 tUltra-High Strength SteelTypes 1 and 290 620 212 t100 690 212 tA1011/A1011M 157X3. HARDNESS PROPERTIESX3.1 Table X3.1 lists the typical hardness values.SUMMARY OF CHANGESCommittee A01 has identified the lo
46、cation of selected changes to this standard since the last issue(A1011/A1011M 14) that may impact the use of this standard. (Approved Dec. 1, 2015.)(1) Special Forming Steel was added as noted in the addition oradjustment to the following: Sections 3.2.5, 3.2.5.1, 4.1.6,5.1.2, 5.1.2.2, 5.1.2.4, 5.1.
47、11, 7.1, 12.1, 13.1, Table 1, andTable 1 footnotes A and I.(2) Footnote A of Tables 1 and 2 was adjusted for clarity.Committee A01 has identified the location of selected changes to this standard since the last issue(A1011/A1011M 13) that may impact the use of this standard. (Approved March 1, 2014.
48、)(1) Included definition of inclusion control with discussion. (2) Revised section on Certification.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five y
