1、Designation: A 463/A 463M 06Standard Specification forSteel Sheet, Aluminum-Coated, by the Hot-Dip Process1This standard is issued under the fixed designation A 463/A 463M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year o
2、f last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) 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 specification covers aluminu
3、m-coated steel sheet incoils and cut lengths available with two types of aluminumcoating applied by the hot-dip process, with several coatingweights masses.1.2 Product furnished under this specification shall conformto the applicable requirements of the latest issue of Specifica-tion A 924/A 924M, u
4、nless otherwise provided herein.1.3 This specification is applicable to orders in eitherinch-pound units (as A 463) or SI units as A 463M. Values ininch-pound and SI units are not necessarily equivalent. Withinthe text, SI units are shown in brackets. Each system shall beused independently of the ot
5、her.1.4 Unless the order specifies the “M” designation (SIunits), the product shall be furnished to inch-pound units.1.5 The text of this standard references notes and footnoteswhich provide explanatory material. These notes and footnotes(excluding those in tables and figures) shall not be considere
6、das requirements of the standard.1.6 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 limitat
7、ions prior to use.2. Referenced Documents2.1 ASTM Standards:2A 428/A 428M Test Method for Weight Mass of Coatingon Aluminum-Coated Iron or Steel ArticlesA 480/A 480M Specification for General Requirements forFlat-Rolled Stainless and Heat-Resisting Steel Plate,Sheet, and StripA 902 Terminology Relat
8、ing to Metallic Coated Steel Prod-uctsA 924/A 924M Specification for General Requirements forSteel Sheet, Metallic-Coated by the Hot-Dip ProcessE 517 Test Method for Plastic Strain Ratio r for Sheet MetalE 646 Test Method for Tensile Strain-Hardening Exponents(n -Values) of Metallic Sheet Materials3
9、. Terminology3.1 DefinitionsSee Terminology A 902 for definitions ofgeneral terminology relating to metallic-coated steel products.4. Classification4.1 The steel sheet is available in several designations, asfollows:4.1.1 Commercial Steel (CS Types A, B, and C),4.1.2 Forming Steel (FS),4.1.3 Deep Dr
10、awing Steel (DDS),4.1.4 Extra Deep Drawing Steel (EDDS),4.1.5 Structural Steel (SS),4.1.6 High Strength-Low Alloy Steel (HSLAS Type A),4.1.7 High Strength-Low Alloy Steel (HSLAS Type B),4.1.8 Ferritic Stainless Steel (FSS Type 409), and4.1.9 Ferritic Stainless Steel (FSS Type 439).4.2 Structural Ste
11、el (SS) and High Strength-Low AlloySteels (HSLAS Types A and B) are available in several gradesand classes.4.3 The aluminum coating is available in two types withseveral coating weights masses with coating designations asshown in Table 1.4.3.1 Coating Type 1 is manufactured using a coating bathof al
12、uminumsilicon alloy containing 5 to 11 % silicon topromote better adherence. It is intended principally for heat-resisting applications and also for uses where corrosion resis-tance and heat are involved. It is available as a coating on eachof the designations of steel sheet listed in 4.1.1This spec
13、ification is under the jurisdiction of ASTM Committee A05 onMetallic-Coated Iron and Steel Products and is the direct responsibility ofSubcommittee A05.11 on Sheet Specifications.Current edition approved Nov. 15, 2006. Published January 2007. Originallyapproved in 1962. Last previous edition approve
14、d in 2005 as A 463/A 463M - 05.2For 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 to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section
15、 appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.3.2 Coating Type 2 is a commercially pure aluminum. It isintended principally for use in applications requiring corrosionresistance and is availabl
16、e only as a coating on CommercialSteel, Forming Steel, Structural Steel, and High Strength-LowAlloy Steel.5. Ordering Information5.1 Product under this specification shall be ordered todecimal thickness only, and dimensional tolerances of Speci-fication A 924/A 924M shall apply. Specification A 480/
17、A 480M shall apply to FSS (Types 409 and 439) for thicknesstolerances only. The following, as required, shall be used toadequately describe the product required.5.1.1 Name of product (steel sheet, aluminum-coated Type 1or 2),5.1.2 Designation of sheet (CS (Types A, B, and C), FS,DDS, EDDS, SS, HSLAS
18、 (Type A or B); and FSS (Types 409and 439).5.1.2.1 When a CS type is not specified, Type B will befurnished.5.1.2.2 When a SS or HSLAS designation is specified, statethe type, grade, or class, or combination thereof.5.1.3 ASTM designation number and year of issue,5.1.4 Coating designation,5.1.5 Spec
19、ify whether oiled or dry or chemically treated,oiled or dry,5.1.6 Dimensions (show thickness, minimum or nominal;width; and length, if cut lengths). The purchaser shall specifythe appropriate table of thickness tolerances in SpecificationA 924/A 924M that applies to the order, that is, the table oft
20、hickness tolerances for38-in. 10-mm edge distance, or thetable of thickness tolerances for 1-in. 25-mm edge distance.A 480/A 480M shall apply to FSS (Types 409 an 439) forthickness tolerances only.5.1.7 Coil size requirements (specify maximum outsidediameter (OD), acceptable inside diameter (ID), an
21、d maximumcoil weight),5.1.8 Application (show part identification and description),5.1.9 Certification, if required, and heat analysis and me-chanical property report, and5.1.10 Special requirements (if required).NOTE 1Typical ordering descriptions are as follows: Steel sheet,aluminum-coated, Formin
22、g Steel (FS), ASTM A 463 _, Coating Des-ignation T1 40, chemically treated dry, minimum 0.040 in. by 34 in. bycoil, 48-in. maximum outside diameter, 20-in. inside diameter, 20 000-lbmaximum coil weight, for muffler ends.Steel Sheet, aluminum-coated, Commercial Steel (CS Type A), ASTMA 463M _, Coatin
23、g Designation T1M 120, chemically treated dry,minimum 1.00 mm by 920 mm by coil, 1200-mm maximum outsidediameter, 500-mm inside diameter, 10 000-kg maximum coil weight, forrange heat shield.NOTE 2The purchaser should be aware that there are variations inmanufacturing practices among the producers an
24、d therefore is advised toestablish the producers standard (or default) procedures for thicknesstolerances.6. Chemical Composition6.1 Base Metal:6.1.1 The heat analysis of the base metal shall conform tothe requirements shown in Table 2 for CS (Types A, B, and C),FS, DDS, EDDS, and FSS (Types 409 and
25、 439), Table 3 for SSand HSLAS.6.1.2 When the amount of copper, nickel, chromium, ormolybdenum is less than 0.02 %, report the analysis either as0.02 % or the actual determined value. When the amount ofvanadium, titanium, or columbium is less than 0.008 %, reportthe analysis as either 0.008 % or the
26、 actual determined value.When the amount of boron is less than 0.0005 %, report as0.0005 % or the actual determined value.6.1.3 See Specification A 924/A 924M for chemical analy-sis procedures and product analysis tolerances.6.1.4 The heat analysis of the base metal for FSS (Types 409and 439) shall
27、conform to the requirements shown in Table 2.6.1.5 See Specification A 480/A 480M for chemical analy-sis procedures and product analysis tolerances for FSS (Types409 and 439).6.2 Coating Bath Composition:6.2.1 The bath metal used for Type 1 shall contain analuminum-silicon alloy containing 5 to 11 %
28、 silicon, thebalance aluminum.6.2.2 The bath metal used for Type 2 shall contain commer-cially pure aluminum.7. Mechanical Properties7.1 Structural steel and high strength low alloy steel shallconform to the mechanical property requirements of Table 4for the type, grade, or class, or combination the
29、reof, specified.7.2 The typical mechanical properties for CS (Types A, B,and C), FS, DDS, EDDS and FSS (Types 409 and 439), steelTABLE 1 Weight Mass of Coating RequirementsA,BNOTE 1Tables X2.1 and X2.2 provide an estimate of coating thick-ness based on coating weight mass.Coating DesignationMinimum
30、RequirementTriple-Spot Test, TotalBoth SidesSingle-Spot Test, TotalBoth SidesInch-Pound Unitsoz/ft2oz/ft2T113 0.13 0.10T125 0.25 0.20T140 0.40 0.30T1100 1.00 0.90T2LC no minimum no minimumT265 0.65 0.60T2100 1.00 0.90SI Unitsg/m2g/m2T1M 40 40 30T1M 75 75 60T1M 120 120 90T1M 300 300 270T2M LC no mini
31、mum no minimumT2M 200 200 180T2M 300 300 270AThe coating designation number is the term by which this product is specified.Because of the many variables and changing conditions that are characteristic ofcontinuous hot-dip coating lines, the weight mass of coating is not always evenlydivided between
32、the two surfaces of a sheet, nor is the coating evenly distributedfrom edge to edge. However, normally not less than 40 % of the single-spot testlimit will be found on either surface.BNo minimum means that there are no established minimum requirements fortriple- and single-spot tests, but aluminum c
33、oating shall be present.A 463/A 463M 062sheet designations are listed in Table 5. These mechanicalproperty values are nonmandatory. They are solely to providethe purchaser with as much information as possible to make aninformed decision on the steel to be specified. Values outsidethese ranges are to
34、 be expected.7.3 When base metal mechanical properties are required, alltests shall be conducted in accordance with the methodsspecified in Specification A 924/A 924M.7.4 Bending Properties:7.4.1 Minimum Cold Bending RadiiStructural steel sheetis commonly fabricated by cold bending. There are manyin
35、terrelated factors that affect the ability of a steel to cold formover a given radius under shop conditions. These factorsinclude: thickness, strength level, degree of restraint, relation-ship to rolling direction, chemistry, and base metal microstruc-ture. Appendix X1 lists the suggested minimum in
36、side radiusfor 90 cold bending for these steel sheets. They presuppose“hard way” bending (bend axis parallel to rolling direction) andTABLE 2 Chemical RequirementsComposition, %Heat AnalysisElement, max (unless otherwise shown)Designation C Mn P S AlACuBNiBCrBMoBVCbCTi BCS Type AD,E,F0.10 0.60 0.030
37、 0.035 . . . 0.20 0.20 0.15 0.06 0.008 0.008 0.30 . . .CS Type BD,F0.02 to 0.15 0.60 0.030 0.035 . . . 0.20 0.20 0.15 0.06 0.008 0.008 0.30 . . .CS Type CD,F0.08 0.60 0.10 0.035 . . . 0.20 0.20 0.15 0.06 0.008 0.008 0.30 . . .FSF0.02 to 0.10 0.50 0.020 0.030 . . . 0.20 0.20 0.15 0.06 0.008 0.008 0.3
38、0 . . .DDSG,H0.06 0.50 0.020 0.025 0.01, min 0.20 0.20 0.15 0.06 0.008 0.008 0.30 . . .EDDSI,H0.02 0.40 0.020 0.020 0.01, min 0.20 0.20 0.15 0.06 0.008 0.008 0.30 . . .FSS Type 409J0.030 1.00 0.040 0.020 . . . 0.50 0.50 10.5 to11.70.60 . .J.FSS Type 439K0.07 1.00 0.040 0.030 0.15 0.50 0.50 17.0 to19
39、.00.06 . .K.AWhere an ellipsis (. . .) appears in the table, there is no requirement, but the analysis result shall be reported.BThe sum of copper, nickel, chromium, and molybdenum shall not exceed 0.50 % on heat analysis. When one or more of these elements are specified, the sum doesnot apply; in w
40、hich case, only the individual limits on the remaining elements shall apply. This requirement does not apply to Types 409 and 439.CFor steels having a carbon content of 0.02 % or less, the limit for columbium is 0.045 % maximum.DFor CS, specify Type B to avoid carbon levels below 0.02 %.ECS Type B d
41、escribes the typical commercial quality product previously included in this specification.FWhen a deoxidized steel is required for the application, the purchaser has to option to order CS to a minimum of 0.01 % total aluminum.GFurnished either as stabilized or not-stabilized steel at the producers o
42、ption.HDDS and EDDS are available only as Coating Type 1 steel sheet.IShall be furnished as a stabilized steel.JShall contain silicon 1.00 % maximum, nitrogen 0.030 % maximum, and titanium 6 3 (carbon + nitrogen) minimum to 0.50 % maximum.KShall contain silicon 1.00 % maximum, nitrogen 0.04 % maximu
43、m, titanium + columbium 0.20 + 4 3 (carbon + nitrogen) minimum to 1.10 % maximum.TABLE 3 Chemical RequirementsAComposition, %Heat Analysis Element, max (unless otherwise shown)Designation C Mn P S CuBNiBCrBMoBVCCbC,DTiSSGrade 33 230 0.20 . . . 0.40 0.04 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 37 2
44、55 0.20 . . . 0.10 0.04 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 40 275 0.25 . . . 0.10 0.04 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 50 340(Classes 1 and 2) 0.25 . . . 0.20 0.04 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 50 340(Class 3) 0.25 . . . 0.04 0.04 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grad
45、e 80 550 0.20 . . . 0.04 0.04 0.20 0.20 0.15 0.06 0.008 0.008 0.30HSLAS Type AEGrade 50 340 0.20 1.20 . . . 0.035 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 60 410 0.20 1.35 . . . 0.035 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 70 480 0.20 1.65 . . . 0.035 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 80
46、 550 0.20 1.65 . . . 0.035 0.20 0.20 0.15 0.06 0.008 0.008 0.30HSLAS Type BE,FGrade 50 340 0.15 1.20 . . . 0.035 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 60 410 0.15 1.20 . . . 0.035 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 70 480 0.15 1.65 . . . 0.035 0.20 0.20 0.15 0.06 0.008 0.008 0.30Grade 80
47、550 0.15 1.65 . . . 0.035 0.20 0.20 0.15 0.06 0.008 0.008 0.30AWhere an ellipsis (. . .) appears in the table, there is no requirement, but the analysis result shall be reported.BThe sum of copper, nickel, chromium and molybdenum shall not exceed 0.50 % on heat analysis. When one or more of these el
48、ements are specified the sum doesnot apply; in which case, only the individual limits on the remaining elements shall apply.CThe limits do not apply when HSLAS is specified.DFor steels having a carbon content of 0.02 % or less, the limit for columbium is 0.045 % max.ESteel conforming to this designa
49、tion commonly contains the strengthening elements columbium, nitrogen, phosphorus, or vanadium added singly or in combination.FThe producer has the option to treat these steels by means of small alloy additions to effect sulfide inclusion control.A 463/A 463M 063TABLE 4 Mechanical Requirements, Base Metal (Longitudinal)Inch-Pound UnitsDesignation GradeYieldStrength,min, ksiTensileStrength,min, ksiAElongationin2in.,min, %ASS 33 33 45 2037 37 52 1840 40 55 1650 (Class 1) 50 65 1250 (Class 2) 50 . . . 1250 (Clas
