ASTM A572 A572M-2012a Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel《结构级高强度低合金铌钒钢的标准规格》.pdf

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1、Designation: A572/A572M 12A American Association StateHighway and TransportationOfficals StandardAASHTO No.: M223Standard Specification forHigh-Strength Low-Alloy Columbium-Vanadium StructuralSteel1This standard is issued under the fixed designation A572/A572M; the number immediately following the d

2、esignation indicates the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use

3、 by agencies of the Department of Defense.1. Scope*1.1 This specification covers five grades of high-strengthlow-alloy structural steel shapes, plates, sheet piling, and bars.Grades 42 290, 50 345, and 55 380 are intended forriveted, bolted, or welded structures. Grades 60 415 and 65450 are intended

4、 for riveted or bolted construction of bridges,or for riveted, bolted, or welded construction in other applica-tions.1.2 For applications, such as welded bridge construction,where notch toughness is important, notch toughness require-ments are to be negotiated between the purchaser and theproducer.1

5、.3 Specification A588/A588M shall not be substituted forSpecification A572/A572M without agreement between thepurchaser and the supplier.1.4 The use of columbium, vanadium, titanium, nitrogen, orcombinations thereof, within the limitations noted in Section 5,is required; the selection of type (1, 2,

6、 3, or 5) is at the optionof the producer, unless otherwise specified by the purchaser.(See Supplementary Requirement S90.)1.5 The maximum thicknesses available in the grades andproducts covered by this specification are shown in Table 1.1.6 When the steel is to be welded, a welding proceduresuitabl

7、e for the grade of steel and intended use or service is tobe utilized. See Appendix X3 of Specification A6/A6M forinformation on weldability.1.7 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The

8、values stated in eachsystem are not exact equivalents; therefore, each system is tobe used independently of the other, without combining valuesin any way.1.8 The text of this specification contains notes or footnotes,or both, that provide explanatory material. Such notes andfootnotes, excluding thos

9、e in tables and figures, do not containany mandatory requirements.1.9 For structural products produced from coil and fur-nished without heat treatment or with stress relieving only, theadditional requirements, including additional testing require-ments and the reporting of additional tests, of A6/A6

10、M apply.2. Referenced Documents2.1 ASTM Standards:2A6/A6M Specification for General Requirements for RolledStructural Steel Bars, Plates, Shapes, and Sheet PilingA36/A36M Specification for Carbon Structural SteelA514/A514M Specification for High-Yield-Strength,Quenched and Tempered Alloy Steel Plate

11、, Suitable forWeldingA588/A588M Specification for High-Strength Low-AlloyStructural Steel, up to 50 ksi 345 MPa Minimum YieldPoint, with Atmospheric Corrosion Resistance3. General Requirements for Delivery3.1 Structural products furnished under this specificationshall conform to the requirements of

12、the current edition ofSpecification A6/A6M, for the specific structural productordered, unless a conflict exists in which case this specificationshall prevail.3.2 Coils are excluded from qualification to this specifica-tion until they are processed into a finished structural product.Structural produ

13、cts produced from coil means structural prod-ucts that have been cut to individual lengths from a coil. The1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.02 on Structural Steel for Br

14、idges, Buildings, Rolling Stock and Ships.Current edition approved Nov. 1, 2012. Published March 2013. Originallyapproved in 1966. Last previous edition approved in 2012 as A572/A572M 12.DOI: 10.1520/A0572_A0572M-12A.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact AST

15、M Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer 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 Conshoho

16、cken, PA 19428-2959. United States1processor directly controls, or is responsible for, the operationsinvolved in the processing of a coil into a finished structuralTABLE 1 Maximum Product Thickness or SizeGradeYield Point, min Maximum Thickness or SizeZees and RolledTeesksi MPaPlates and BarsStructu

17、ral ShapeFlange or LegThicknessSheet Pilingin. mm in. mm42 290A42 290 6 150 all all all all50 345A50 345 4B100Ball all all all55 380 55 380 2 50 all all all all60 415A60 415 114C32C2 50 all all65 450 65 450 114 32 2 50 not available allAIn the above tabulation, Grades 42, 50, and 60 290, 345, and 41

18、5, are the yield point levels most closely approximating a geometric progression pattern between 36ksi 250 MPa, min, yield point steels covered by Specification A36/A36M and 100 ksi 690 MPa, min, yield strength steels covered by Specification A514/A514M.BRound bars up to and including 11 in. 275 mm

19、in diameter are permitted.CRound bars up to and including 312 in. 90 mm in diameter are permitted.TABLE 2 Chemical RequirementsA(Heat Analysis)Diameter, Thickness,or DistanceBetween ParallelFaces, in. mmPlates and BarsStructuralShapeFlange orLegThickness,in. mmGradeCarbon,max, %Manganese,Bmax, %Phos

20、phorus,max, %Sulfur,max,%SiliconPlates to 112 in. 40mm Thick,Shapes withFlange or LegThickness to 3 in.75 mm inclusive,Sheet Piling,Bars, Zees, andRolled TeesCPlates Over 112 in.40 mm Thick andShapes with FlangeThicknessOver 3 in.75 mmmax, % range, %6 150 all 42 290 0.21 1.35D0.04 0.05 0.40 0.150.40

21、4 100Eall 50 345 0.23 1.35D0.04 0.05 0.40 0.150.402 50Fall 55 380 0.25 1.35D0.04 0.05 0.40 0.15-0.40114 32F#2 50 60 415 0.26 1.35D0.04 0.05 0.40G12 114 1332 1-2 25-50 65 450 0.23 1.65 0.04 0.05 0.40G#12 13H# 1H65 450 0.26 1.35 0.04 0.05 0.40GACopper when specified shall have a minimum content of 0.2

22、0 % by heat analysis (0.18 % by product analysis).BManganese, minimum, by heat analysis of 0.80 % (0.75 % by product analysis) shall be required for all plates over38 in. 10 mm in thickness; a minimum of 0.50 %(0.45 % by product analysis) shall be required for plates38 in. 10 mm and less in thicknes

23、s, and for all other products. The manganese to carbon ratio shall not be lessthan2to1.CBars over 112 in. 40 mm in diameter, thickness, or distance between parallel faces shall be made by a killed steel practice.DFor each reduction of 0.01 percentage point below the specified carbon maximum, an incr

24、ease of 0.06 percentage point manganese above the specified maximum ispermitted, up to a maximum of 1.60 %.ERound bars up to and including 11 in. 275 mm in diameter are permitted.FRound bars up to and including 312 in. 90 mm in diameter are permitted.GThe size and grade is not described in this spec

25、ification.HAn alternative chemical requirement with a maximum carbon of 0.21 % and a maximum manganese of 1.65 % is permitted, with the balance of the elements as shownin Table 2.TABLE 3 Alloy ContentTypeAElementsHeatAnalysis, %1 Columbium 0.0050.05B2 Vanadium 0.010.153 ColumbiumVanadiumColumbium pl

26、us vanadium0.005-0.05B0.010.150.020.15C5 TitaniumNitrogenVanadium0.006-0.040.0030.0150.06 maxAAlloy content shall be in accordance with Type 1, 2, 3, or 5 and the contents ofthe applicable elements shall be reported on the test report.BProduct analysis limits = 0.004 to 0.06 %.CProduct analysis limi

27、ts = 0.01 to 0.16 %.TABLE 4 Tensile RequirementsAGradeYield Point, min Tensile Strength, minMinimum Elonga-tion, %B,C,Dksi MPa ksi MPain8in.200 mmin2in.50 mm42 290 42 290 60 415 20 2450 345 50 345 65 450 18 2155 380 55 380 70 485 17 2060 415 60 415 75 520 16 1865 450 65 450 80 550 15 17ASee specimen

28、 Orientation under the Tension Tests section of SpecificationA6/A6M.BElongation not required to be determined for floor plate.CFor wide flange shapes over 426 lb/ft 634 kg/m, elongation in 2 in. 50 mm of19 % minimum applies.DFor plates wider than 24 in. 600 mm, the elongation requirement is reduced

29、twopercentage points for Grades 42, 50, and 55 290, 345, and 380, and threepercentage points for Grades 60 and 65 415 and 450. See elongation require-ment adjustments in the Tension Tests section of Specification A6/A6M.A572/A572M 12A2product. Such operations include decoiling, leveling orstraighten

30、ing, hot-forming or cold-forming (if applicable),cutting to length, testing, inspection, conditioning, heat treat-ment (if applicable), packaging, marking, loading for shipment,and certification.NOTE 1For structural products produced from coil and furnishedwithout heat treatment or with stress relie

31、ving only, two test results are tobe reported for each qualifying coil. Additional requirements regardingstructural products produced from coil are described in A6/A6M.4. Materials and Manufacture4.1 The steel shall be killed5. Chemical Composition5.1 The heat analysis shall conform to the requireme

32、ntsprescribed in Table 2 and Table 3.5.2 The steel shall conform on product analysis to therequirements prescribed in Table 2 and Table 3, subject to theproduct analysis tolerances in Specification A6/A6M.6. Mechanical Properties6.1 Tensile Properties:6.1.1 The material as represented by the test sp

33、ecimens shallconform to the tensile properties given in Table 4.7. Test Reports7.1 In addition to the Test Reports requirements in Specifi-cation A6/A6M, when Specification A588/A588M is substi-tuted for Specification A572/A572M, the test report shallinclude the statement “Specification A588/A588M s

34、ubsti-tuted.”8. Keywords8.1 bars; bolted construction; bridges; buildings;columbium-vanadium; high-strength; low-alloy; plates; rivetedconstruction; shapes; sheet piling; steel; structural steel;welded constructionSUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not apply unless specified

35、in the order or contract. Standardizedsupplementary requirements for use at the option of the purchaser are listed in Specification A6/A6M.Those that are considered suitable for use with this specification are listed by title:S5. Charpy V-Notch Impact Test.S18. Maximum Tensile StrengthS30. Charpy V-

36、Notch Impact Test for Structural Shapes: Alternate Core LocationS32. Single Heat Bundles.In addition, the following supplementary requirements are suitable for use:S81. Tensile StrengthS81.1 For Grade 50 345 steel of thicknesses34 in. 20mm and less, the tensile strength shall be a minimum of 70 ksi4

37、85 MPa.S90. TypeS90.1 The specific type of steel shall be as specified by thepurchaser in the order or contract.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue(A572/A572M 12) that may impact the use of this standard. (Approved Nov

38、. 1, 2012.)(1) Revised 4.1 to allow killed steel only.(2) Revised Table 3 to remove a footnote on Columbiumrestrictions and to remove information on non-killed steels.A572/A572M 12A3Committee A01 has identified the location of selected changes to this standard since the last issue(A572/A572M 07) tha

39、t may impact the use of this standard. (Approved May 1, 2012.)(1) Revised Section 7 to eliminate redundant language.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 a

40、dvised 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 years andif not revised, eith

41、er reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend.

42、 If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Indi

43、vidual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).A572/A572M 12A4