1、Designation: A 6/A 6M 08aStandard Specification forGeneral Requirements for Rolled Structural Steel Bars,Plates, Shapes, and Sheet Piling1This standard is issued under the fixed designation A 6/A 6M; the number immediately following the designation indicates the year oforiginal adoption or, in the c
2、ase of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This ge
3、neral requirements specification2covers a groupof common requirements that, unless otherwise specified in theapplicable product specification, apply to rolled structural steelbars, plates, shapes, and sheet piling covered by each of thefollowing product specifications issued by ASTM:ASTMDesignation3
4、Title of SpecificationA 36/A 36M Carbon Structural SteelA 131/A 131M Structural Steel for ShipsA 242/A 242M High-Strength Low-Alloy Structural SteelA 283/A 283M Low and Intermediate Tensile Strength Carbon Steel PlatesA 328/A 328M Steel Sheet PilingA 514/A 514M High-Yield Strength, Quenched and Temp
5、ered Alloy SteelPlate Suitable for WeldingA 529/A 529M High-Strength Carbon-Manganese Steel of Structural Qual-ityA 572/A 572M High-Strength Low-Alloy Columbium-Vanadium SteelA 573/A 573M Structural Carbon Steel Plates of Improved ToughnessA 588/A 588M High-Strength Low-Alloy Structural Steel with 5
6、0 ksi (345MPa) Minimum Yield Point to 4 in. 100 mm ThickA 633/A 633M Normalized High-Strength Low-Alloy Structural Steel PlatesA 656/A 656M Hot-Rolled Structural Steel, High-Strength Low-Alloy Platewith Improved FormabilityA 678/A 678M Quenched-and-Tempered Carbon and High-Strength Low-Alloy Structu
7、ral Steel PlatesA 690/A 690M High-Strength Low-Alloy Steel H-Piles and Sheet Piling forUse in Marine EnvironmentsA 709/A 709M Carbon and High-Strength Low-Alloy Structural SteelShapes, Plates, and Bars and Quenched-and-TemperedAlloy Structural Steel Plates for BridgesA 710/A 710M Age-Hardening Low-C
8、arbon Nickel-Copper-Chromium-Mo-lybdenum-Columbium Alloy Structural Steel PlatesA 769/A 769M Carbon and High-Strength Electric Resistance Welded SteelStructural ShapesA 786/A 786M Rolled Steel Floor PlatesA 808/A 808M High-Strength Low-Alloy Carbon, Manganese, Columbium,Vanadium Steel of Structural
9、Quality with Improved NotchToughnessA 827/A 827M Plates, Carbon Steel, for Forging and Similar ApplicationsA 829/A 829M Plates, Alloy Steel, Structural QualityA 830/A 830M Plates, Carbon Steel, Structural Quality, Furnished toChemical Composition RequirementsA 852/A 852M Quenched and Tempered Low-Al
10、loy Structural Steel Platewith 70 ksi 485 Mpa Minimum Yield Strength to 4 in.100 mm ThickA 857/A 857M Steel Sheet Piling, Cold Formed, Light GageA 871/A 871M High-Strength Low Alloy Structural Steel Plate with Atmo-spheric Corrosion ResistanceA 913/A 913M Specification for High-Strength Low-Alloy St
11、eel Shapes ofStructural Quality, Produced by Quenching and Self-Tempering Process (QST)A 945/A 945M Specification for High-Strength Low-Alloy Structural SteelPlate with Low Carbon and Restricted Sulfur for ImprovedWeldability, Formability, and ToughnessA 950/A 950M Specification for Fusion Bonded Ep
12、oxy-Coated StructuralSteel H-Piles and Sheet PilingA 992/A 992M Specification for Steel for Structural Shapes for Use inBuilding FramingA 1026 Specification for Alloy Steel Structural Shapes for Use inBuilding FramingA 1043/A 1043M Specification for Structural Steel with Low Yield to TensileRatio fo
13、r Use in Buildings1.2 Annex A1 lists permitted variations in dimensions andmass (Note 1) in SI units. The values listed are not exactconversions of the values in Tables 1 to 31 inclusive but are,instead, rounded or rationalized values. Conformance toAnnexA1 is mandatory when the “M” specification de
14、signation isused.NOTE 1The term “weight” is used when inch-pound units are thestandard; however, under SI, the preferred term is “mass.”1.3 Annex A2 lists the dimensions of some shape profiles.1.4 Appendix X1 provides information on coil as a sourceof structural products.1.5 Appendix X2 provides inf
15、ormation on the variability oftensile properties in plates and structural shapes.1.6 Appendix X3 provides information on weldability.1.7 Appendix X4 provides information on cold bending ofplates, including suggested minimum inside radii for coldbending.1.8 This general requirements specification als
16、o covers agroup of supplementary requirements that are applicable toseveral of the above product specifications as indicated therein.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.02
17、on Structural Steel for Bridges, Buildings, Rolling Stock and Ships.Current edition approved Nov. 1, 2008. Published November 2008. Originallyapproved in 1949. Last previous edition approved in 2008 as A 6/A 6M 08.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SA-
18、6/SA-6M in Section II of that Code.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.Such requirements are provided for use where additionaltesting or additional restric
19、tions are required by the purchaser,and apply only where specified individually in the purchaseorder.1.9 In case of any conflict in requirements, the requirementsof the applicable product specification prevail over those of thisgeneral requirements specification.1.10 Additional requirements that are
20、 specified in the pur-chase order and accepted by the supplier are permitted,provided that such requirements do not negate any of therequirements of this general requirements specification or theapplicable product specification.1.11 For purposes of determining conformance with thisgeneral requiremen
21、ts specification and the applicable productspecification, values are to be rounded to the nearest unit in theright-hand place of figures used in expressing the limitingvalues in accordance with the rounding method of PracticeE29.1.12 The text of this general requirements specificationcontains notes
22、and/or footnotes that provide explanatory ma-terial. Such notes and footnotes, excluding those in tables andfigures, do not contain any mandatory requirements.1.13 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units are show
23、n in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system is tobe used independently of the other, without combining valuesin any way.1.14 This general requirements specification and the appli-cable product specification are expressed in both inch-poundunits an
24、d SI units; however, unless the order specifies theapplicable “M” specification designation (SI units), the struc-tural product is furnished to inch-pound units.1.15 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the u
25、ser of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3A 131/A 131M Specification for Structural Steel for ShipsA 370 Test Methods and Definitions for Mechanical Tes
26、tingof Steel ProductsA 673/A 673M Specification for Sampling Procedure forImpact Testing of Structural SteelA 700 Practices for Packaging, Marking, and LoadingMethods for Steel Products for ShipmentA 751 Test Methods, Practices, and Terminology forChemical Analysis of Steel ProductsA 829/A 829M Spec
27、ification for Alloy Structural SteelPlatesA 941 Terminology Relating to Steel, Stainless Steel, Re-lated Alloys, and FerroalloysE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE112 Test Methods for Determining Average Grain SizeE 208 Test Method for
28、Conducting Drop-Weight Test toDetermine Nil-Ductility Transition Temperature of FerriticSteels2.2 American Welding Society Standards:4A5.1/A5.1M Mild Steel Covered Arc-Welding ElectrodesA5.5/A5.5M Low-Alloy Steel Covered Arc-Welding Elec-trodesA5.17/A5.17M Specification For Carbon Steel ElectrodesAn
29、d Fluxes For Submerged Arc WeldingA5.18/A5.18M Specification For Carbon Steel ElectrodesAnd Rods For Gas Shielded Arc WeldingA5.20/A5.20M Carbon Steel Electrodes For Flux CoredArcWeldingA5.23/A5.23M Low Alloy Steel Electrodes And Fluxes ForSubmerged Arc WeldingA5.28/A5.28M Specification For Low-Allo
30、y Steel Elec-trodes And Rods For Gas Shielded Arc WeldingA5.29/A5.29M Specification for Low-Alloy Steel Elec-trodes for Flux Cored Arc WeldingD1.1/D1.1M Structural Welding Code Steel2.3 U.S. Military Standards:5MIL-STD-129 Marking for Shipment and StorageMIL-STD-163 Steel Mill Products Preparation f
31、or Ship-ment and Storage2.4 U.S. Federal Standard:5Fed. Std. No. 123 Marking for Shipments (Civil Agencies)2.5 ASME Boiler Pressure Vessel Code Standard:6BPVC Section IX Welding and Brazing Qualifications3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 Plates (other than floor
32、plates)Flat, hot-rolled steel,ordered to thickness or weight mass and typically width andlength, commonly classified as follows:3.1.1.1 When Ordered to Thickness:(1) Over 8 in. 200 mm in width and 0.230 in. 6 mm orover in thickness.(2) Over 48 in. 1200 mm in width and 0.180 in. 4.5 mmor over in thic
33、kness.3.1.1.2 When Ordered to Weight Mass:(1) Over 8 in. 200 mm in width and 9.392 lb/ft247.10kg/m2 or heavier.(2) Over 48 in. 1200 mm in width and 7.350 lb/ft235.32kg/m2 or heavier.3.1.1.3 DiscussionSteel products are available in variousthickness, width, and length combinations depending uponequip
34、ment and processing capabilities of various manufactur-ers and processors. Historic limitations of a product based upon3For 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
35、to the standards Document Summary page onthe ASTM website.4Available from American Welding Society (AWS), 550 NW LeJeune Rd.,Miami, FL 33126, http:/www.aws.org.5Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.do
36、dssp.daps.mil.6Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.A 6/A 6M 08a2dimensions (thickness, width, and length) do not take intoaccount current production and processing capabilities. T
37、oqualify any product to a particular product specification re-quires all appropriate and necessary tests be performed and thatthe results meet the limits prescribed in that product specifi-cation. If the necessary tests required by a product specificationcannot be conducted, the product cannot be qu
38、alified to thatspecification. This general requirement standard contains per-mitted variations for the commonly available sizes. Permittedvariations for other sizes are subject to agreement between thecustomer and the manufacturer or processor, whichever isapplicable.3.1.1.4 Slabs, sheet bars, and s
39、kelp, though frequentlyfalling in the foregoing size ranges, are not classed as plates.3.1.1.5 Coils are excluded from qualification to the appli-cable product specification until they are decoiled, leveled orstraightened, formed (if applicable), cut to length, and, ifrequired, properly tested by th
40、e processor in accordance withASTM specification requirements (see Sections 9-15, 18, and19 and the applicable product specification).3.1.2 Shapes (Flanged Sections):3.1.2.1 structural-size shapesrolled flanged sections hav-ing at least one dimension of the cross section 3 in. 75 mm orgreater.3.1.2.
41、2 bar-size shapesrolled flanged sections having amaximum dimension of the cross section less than 3 in. 75mm.3.1.2.3 “W” shapesdoubly-symmetric, wide-flangeshapes with inside flange surfaces that are substantially paral-lel.3.1.2.4 “HP” shapesare wide-flange shapes generallyused as bearing piles who
42、se flanges and webs are of the samenominal thickness and whose depth and width are essentiallythe same.3.1.2.5 “S” shapesdoubly-symmetric beam shapes withinside flange surfaces that have a slope of approximately 1623%.3.1.2.6 “M” shapesdoubly-symmetric shapes that cannotbe classified as “W,”“ S,” or
43、 “HP” shapes.3.1.2.7 “C” shapeschannels with inside flange surfacesthat have a slope of approximately 1623 %.3.1.2.8 “MC” shapeschannels that cannot be classified as“C” shapes.3.1.2.9 “L” shapesshapes having equal-leg and unequal-leg angles.3.1.3 sheet pilingrolled steel sections that are capable of
44、being interlocked, forming a continuous wall when individualpieces are driven side by side.3.1.4 barsrounds, squares, and hexagons, of all sizes; flats1364 in. (0.203 in.) and over over 5 mm in specified thickness,not over 6 in. 150 mm in specified width; and flats 0.230 in.and over over 6 mm in spe
45、cified thickness, over 6 to 8 in.150 to 200 mm inclusive, in specified width.3.1.5 exclusivewhen used in relation to ranges, as forranges of thickness in the tables of permissible variations indimensions, is intended to exclude only the greater value of therange. Thus, a range from 60 to 72 in. 1500
46、 to 1800 mmexclusive includes 60 in. 1500 mm, but does not include 72in. 1800 mm.3.1.6 rimmed steelsteel containing sufficient oxygen togive a continuous evolution of carbon monoxide during sol-dification, resulting in a case or rim of metal virtually free ofvoids.3.1.7 semi-killed steelincompletely
47、 deoxidized steel con-taining sufficient oxygen to form enough carbon monoxideduring solidification to offset solidification shrinkage.3.1.8 capped steelrimmed steel in which the rimmingaction is limited by an early capping operation. Capping iscarried out mechanically by using a heavy metal cap on
48、abottle-top mold or chemically by an addition of aluminum orferrosilicon to the top of the molten steel in an open-top mold.3.1.9 killed steelsteel deoxidized, either by addition ofstrong deoxidizing agents or by vacuum treatment, to reducethe oxygen content to such a level that no reaction occursbe
49、tween carbon and oxygen during solidification.3.1.10 mill edgethe normal edge produced by rollingbetween horizontal finishing rolls. A mill edge does notconform to any definite contour. Mill edge plates have two milledges and two trimmed edges.3.1.11 universal mill edgethe normal edge produced byrolling between horizontal and vertical finishing rolls. Univer-sal mill plates, sometimes designated UM Plates, have twouniversal mill edges and two trimmed edges.3.1.12 sheared edgethe normal edge produced by shear-ing
