1、Designation: A6/A6M 16aStandard 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 U.S. Department of Defense.1. Scope*1.1 This g
3、eneral 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:ASTMDesignation
4、3Title 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
5、SteelPlate, 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, up to 50 ksi 345MPa Min
6、imum Yield Point, with Atmospheric CorrosionResistanceA633/A633M Normalized High-Strength Low-Alloy Structural Steel PlatesA656/A656M Hot-Rolled Structural Steel, High-Strength Low-Alloy Platewith Improved FormabilityA690/A690M High-Strength Low-Alloy Nickel, Copper, Phosphorus SteelH-Piles and Shee
7、t Piling with Atmospheric Corrosion Re-sistance for Use in Marine EnvironmentsA709/A709M Structural Steel for BridgesA710/A710M Precipitation-Strengthened Low-Carbon Nickel-Copper-Chromium-Molybdenum-Columbium Alloy Structural SteelPlatesA769/A769M Carbon and High-Strength Electric Resistance Forge-
8、Welded Steel Structural ShapesA786/A786M Hot-Rolled Carbon, Low-Alloy, High-Strength Low-Alloy, andAlloy Steel Floor PlatesA827/A827M Plates, Carbon Steel, for Forging and Similar ApplicationsA829/A829M Alloy Structural Steel PlatesA830/A830M Plates, Carbon Steel, Structural Quality, Furnished toChe
9、mical Composition RequirementsA857/A857M Steel Sheet Piling, Cold Formed, Light GageA871/A871M High-Strength Low-Alloy Structural Steel Plate With Atmo-spheric Corrosion ResistanceA913/A913M High-Strength Low-Alloy Steel Shapes of Structural Quality,Produced by Quenching and Self-Tempering Process(Q
10、ST)A945/A945M High-Strength Low-Alloy Structural Steel Plate with LowCarbon and Restricted Sulfur for Improved Weldability,Formability, and ToughnessA950/A950M Fusion-Bonded Epoxy-Coated Structural Steel H-Piles andSheet PilingA992/A992M Structural Steel ShapesA1043/A1043M Structural Steel with Low
11、Yield to Tensile Ratio for Use inBuildingsA1066/A1066M High-Strength Low-Alloy Structural Steel Plate Produced byThermo-Mechanical Controlled Process (TMCP)1.2 Annex A1 lists permitted variations in dimensions andmass (Note 1) in SI units. The values listed are not exactconversions of the values in
12、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 units are thestandard; however, under SI, the preferred term is “mass.”1.3 Annex A2 lists the di
13、mensions 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 structural shapes.1.6 Appendix X3 provides information on weldability.1.7 Appendix X4 provides inf
14、ormation 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 applicable toseveral of the above product specifications as indicated therein.Such requirements are provid
15、ed for use where additionaltesting or additional restrictions 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 requirem
16、ents specification.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 on Structural Steel for Bridges, Buildings, Rolling Stock and Ships.Current edition approved Nov. 15, 2016. Publis
17、hed November 2016. Originallyapproved in 1949. Last previous edition approved in 2016 as A6/A6M 16. DOI:10.1520/A0006_A0006M-16A.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SA-6/SA-6M in Section II of that Code.*A Summary of Changes section appears at the end o
18、f this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States11.10 Additional requirements that are specified in the pur-chase order and accepted by the supplier are permitted,provided that such requirements do not negate any of ther
19、equirements of this general requirements specification or theapplicable product specification.1.11 For purposes of determining conformance with thisgeneral requirements specification and the applicable productspecification, values are to be rounded to the nearest unit in theright-hand place of figur
20、es 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 explanatorymaterial. Such notes and footnotes, excluding those in tablesand figures, do not contai
21、n 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 in eachsystem are not exact equivalents; therefore, each system is tobe used independently of the
22、 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 order specifies theapplicable “M” specification designation (SI units), the struc-tural product is
23、 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 appro-priate safety and health practices and determine the applica-bility of regulatory limitati
24、ons 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 Specification for Sampling Procedure for Im-pact Testing of Structural SteelA700 Guide for Packaging,
25、 Marking, and Loading Methodsfor Steel Products for ShipmentA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsA829/A829M Specification for Alloy Structural Steel PlatesA941 Terminology Relating to Steel, Stainless Steel, RelatedAlloys, and FerroalloysE29 Practice
26、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 Nil-Ductility Transition Temperature of Fer-ritic Steels2.2 American Welding Society Standards:4A5.1/A
27、5.1M 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 WeldingA5.18/A5.18M Specification For Carbon Steel ElectrodesAnd Rods For Gas Shielded Arc WeldingA5.20/A5.20M Ca
28、rbon 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 Shielded Arc WeldingA5.29/A5.29M Specification for Low-Alloy Steel Elec-trodes for Flux Cored Arc Weld
29、ingD1.1/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. Federal Standard:5Fed. Std. No. 123 Marking for Shipments (Civil Agencies)2.5 American Society of Mechanic
30、al Engineers Code:6ASME Boiler and Pressure Vessel Code, Section IX3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 Plates (other than floor plates)Flat, hot-rolled steel,ordered to thickness or weight mass and typically width andlength, commonly classified as follows:3.1.1.1 W
31、hen 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 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
32、 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 uponequipment and processing capabilities of various manufactur-ers and processors. Historic limitations of a product based upondimensions (thickn
33、ess, width, and length) do not take intoaccount current production and processing capabilities. Toqualify any product to a particular product specification re-quires all appropriate and necessary tests be performed and that3For referenced ASTM standards, visit the ASTM website, www.astm.org, orconta
34、ct 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.5Available from Standardization Docu
35、ments 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, Two Park Ave., New York, NY 10016-5990, http:/www.asme.org.A6/A6M 16a2the results mee
36、t 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 general requirement standard contains per-mitted variations for the commonly available sizes. Permittedvar
37、iations 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 foregoing size ranges, are not classed as plates.3.1.1.5 Coils are excluded from qualification to the a
38、ppli-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 specification requirements (see Sections 915, 18, and19 and the applicable product specification).3.1.2 Sh
39、apes (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 sections having amaximum dimension of the cross section less than 3 in. 75mm.3.1.2.3 “W” shapesdoubly-symmetri
40、c, 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 samenominal thickness and whose depth and width are essentiallythe same.3.1.2.5 “S” shapesdoubly-symmetric beam
41、 shapes withinside flange surfaces that have a slope of approximately1623 %.3.1.2.6 “M” shapesdoubly-symmetric shapes that cannotbe classified as “W,”“ S,” or “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
42、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 wall when individualpieces are driven side by side.3.1.4 barsrounds, squares, and hexagons, of all siz
43、es; 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 200 mm inclusive, in specified width.3.1.5 exclusivewhen used in relation to ranges, as forranges of t
44、hickness 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. 1500 mm, but does not include 72in. 1800 mm.3.1.6 rimmed steelsteel containing sufficient oxygen togive a
45、 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 oxygen to form enough carbon monoxideduring solidification to offset solidification shrinkage.3.1.8 cap
46、ped 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 addition of aluminum orferrosilicon to the top of the molten steel in an open-top mold.3.1.9 killed steelst
47、eel 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 solidification.3.1.10 mill edgethe normal edge produced by rollingbetween horizontal finishing rolls. A mill edge
48、 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 t
49、wo trimmed edges.3.1.12 sheared edgethe normal edge produced by shear-ing. Sheared edge plates are trimmed on all edges.3.1.13 gas cut edgethe edge produced by gas flamecutting.3.1.14 special cut edgeusually the edge produced by gasflame cutting involving special practices such as pre-heating orpost-heating, or both, in order to minimize stresses, avoidthermal cracking and reduce the hardness of the gas cut edge.In special instances, special cut edge is used to designate anedge produced by machining.3.1.15 sketch
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