1、Designation: A6/A6M 12aStandard Specification forGeneral Requirements for Rolled Structural Steel Bars,Plates, Shapes, and Sheet Piling1This standard is issued under the fixed designation A6/A6M; the number immediately following the designation indicates the year oforiginal adoption or, in the case
2、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 genera
3、l 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:ASTMDesignation3Titl
4、e of SpecificationA36/A36M Carbon Structural SteelA131/A131M Structural Steel for ShipsA242/A242M High-Strength Low-Alloy Structural SteelA283/A283M Low and Intermediate Tensile Strength Carbon Steel PlatesA328/A328M Steel Sheet PilingA514/A514M High-Yield Strength, Quenched and Tempered Alloy Steel
5、Plate Suitable for WeldingA529/A529M High-Strength Carbon-Manganese Steel of Structural Qual-ityA572/A572M High-Strength Low-Alloy Columbium-Vanadium SteelA573/A573M Structural Carbon Steel Plates of Improved ToughnessA588/A588M High-Strength Low-Alloy Structural Steel with 50 ksi (345MPa) Minimum Y
6、ield Point to 4 in. 100 mm ThickA633/A633M Normalized High-Strength Low-Alloy Structural Steel PlatesA656/A656M Hot-Rolled Structural Steel, High-Strength Low-Alloy Platewith Improved FormabilityA678/A678M Quenched-and-Tempered Carbon and High-Strength Low-Alloy Structural Steel PlatesA690/A690M Hig
7、h-Strength Low-Alloy Steel H-Piles and Sheet Piling forUse in Marine EnvironmentsA709/A709M Carbon and High-Strength Low-Alloy Structural SteelShapes, Plates, and Bars and Quenched-and-TemperedAlloy Structural Steel Plates for BridgesA710/A710M Age-Hardening Low-Carbon Nickel-Copper-Chromium-Mo-lybd
8、enum-Columbium Alloy Structural Steel PlatesA769/A769M Carbon and High-Strength Electric Resistance Welded SteelStructural ShapesA786/A786M Rolled Steel Floor PlatesA808/A808M High-Strength Low-Alloy Carbon, Manganese, Columbium,Vanadium Steel of Structural Quality with Improved NotchToughnessA827/A
9、827M Plates, Carbon Steel, for Forging and Similar ApplicationsA829/A829M Plates, Alloy Steel, Structural QualityA830/A830M Plates, Carbon Steel, Structural Quality, Furnished toChemical Composition RequirementsA852/A852M Quenched and Tempered Low-Alloy Structural Steel Platewith 70 ksi 485 Mpa Mini
10、mum Yield Strength to 4 in.100 mm ThickA857/A857M Steel Sheet Piling, Cold Formed, Light GageA871/A871M High-Strength Low Alloy Structural Steel Plate with Atmo-spheric Corrosion ResistanceA913/A913M Specification for High-Strength Low-Alloy Steel Shapes ofStructural Quality, Produced by Quenching a
11、nd Self-Tempering Process (QST)A945/A945M Specification for High-Strength Low-Alloy Structural SteelPlate with Low Carbon and Restricted Sulfur for ImprovedWeldability, Formability, and ToughnessA950/A950M Specification for Fusion Bonded Epoxy-Coated StructuralSteel H-Piles and Sheet PilingA992/A992
12、M Specification for Steel for Structural Shapes for Use inBuilding FramingA1026 Specification for Alloy Steel Structural Shapes for Use inBuilding FramingA1043/A1043M Specification for Structural Steel with Low Yield to TensileRatio for Use in Buildings1.2 Annex A1 lists permitted variations in dime
13、nsions 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 to AnnexA1 is mandatory when the “M” specification designation isused.NOTE 1The term “weight” is used when inch-pound
14、 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 information on the variability oftensile properties in plates and s
15、tructural 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 also covers agroup of supplementary requirements that are applicabl
16、e toseveral of the above product specifications as indicated therein.Such requirements are provided for use where additional1This 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 Struct
17、ural Steel for Bridges, Buildings, Rolling Stock and Ships.Current edition approved Nov. 1, 2012. Published December 2012. Originallyapproved in 1949. Last previous edition approved in 2012 as A6/A6M 12. DOI:10.1520/A0006_A0006M-12A.2For ASME Boiler and Pressure Vessel Code applications, see related
18、 Specifi-cation SA-6/SA-6M in Section II of that Code.*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 States1testing or additional restrictions are required by the purchaser,an
19、d 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 specified in the pur-chase order and
20、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 requirements specification and the applicable pr
21、oductspecification, 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 or footnotes, or both, that provide ex
22、planatorymaterial. Such notes and footnotes, excluding those in tablesand figures, 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 shown in brackets. The values stated i
23、n 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 and SI units; however, unless the or
24、der 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 user of this standard to establish
25、appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3A131/A131M Specification for Structural Steel for ShipsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA673/A673M Speci
26、fication for Sampling Procedure for Im-pact Testing of Structural SteelA700 Practices for Packaging, Marking, and Loading Meth-ods for Steel Products for ShipmentA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsA829/A829M Specification for Alloy Structural Steel
27、PlatesA941 Terminology Relating to Steel, Stainless Steel, RelatedAlloys, and FerroalloysE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE112 Test Methods for Determining Average Grain SizeE208 Test Method for Conducting Drop-Weight Test toDetermine
28、Nil-Ductility Transition Temperature of Fer-ritic Steels2.2 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 ElectrodesAnd Fluxes For Submerged Arc WeldingA5.1
29、8/A5.18M Specification For Carbon Steel ElectrodesAnd Rods For Gas Shielded Arc WeldingA5.20/A5.20M Carbon Steel Electrodes For Flux Cored ArcWeldingA5.23/A5.23M Low Alloy Steel Electrodes And Fluxes ForSubmerged Arc WeldingA5.28/A5.28M Specification For Low-Alloy Steel Elec-trodes And Rods For Gas
30、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 for Ship-ment and Storage2.4 U.S. Fede
31、ral 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 plates)Flat, hot-rolled steel,ordered
32、 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 thickness.3.1.1.2 When Ordered to Weight
33、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 upon3For referenced ASTM standards, visit the
34、ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer 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.5
35、Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.6Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/ww
36、w.asme.org.A6/A6M 12a2equipment and processing capabilities of various manufactur-ers and processors. Historic limitations of a product based upondimensions (thickness, width, and length) do not take intoaccount current production and processing capabilities. Toqualify any product to a particular pr
37、oduct 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 qualified to thatspecification. This gene
38、ral 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 skelp, though frequentlyfalling in the f
39、oregoing 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 the processor in accordance withASTM spec
40、ification 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.3.1.2.2 bar-size shapesrolled flanged section
41、s 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 whose flanges and webs are of the samenomi
42、nal 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 “HP” shapes.3.1.2.7 “C” shapeschannels
43、 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 ofbeing interlocked, forming a continuous
44、 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 specified thickness, over 6 to 8 in.150 to
45、 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 to 1800 mmexclusive includes 60 in. 15
46、00 mm, but does not include 72in. 1800 mm.3.1.6 rimmed steelsteel containing sufficient oxygen togive a continuous evolution of carbon monoxide duringsoldification, resulting in a case or rim of metal virtually free ofvoids.3.1.7 semi-killed steelincompletely deoxidized steel con-taining sufficient
47、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 abottle-top mold or chemically by an addi
48、tion 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 occursbetween carbon and oxygen during solidifica
49、tion.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. Sheared edge plates are trimmed on all
