1、Designation: A 463/A 463M 09Standard 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 () 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 aluminum
3、-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, un
4、less 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 oth
5、er.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 considered
6、as 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 limitati
7、ons 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 Relati
8、ng 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 Dra
10、wing 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 Stee
11、l (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 alu
12、minumsilicon 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 speci
13、fication 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 May 1, 2009. Published June 2009. Originallyapproved in 1962. Last previous edition approved in 2
14、006 as A 463/A 463M - 06.2For 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 appea
15、rs 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 available only
16、 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/A 480M
17、 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 (Type
18、 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 Specify wh
19、ether 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 ofthickne
20、ss 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), and maxi
21、mumcoil 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, Forming Stee
22、l (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 _, Coating Desi
23、gnation 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 and ther
24、efore 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 439),
25、 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 actua
26、l 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 confor
27、m 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 % silic
28、on, 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 thereof,
29、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 Requir
30、ementTriple-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 minimum no
31、 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 the tw
32、o 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 coating
33、 shall be present.A 463/A 463M 092sheet 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 be ex
34、pected.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 manyinterrel
35、ated 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 inside r
36、adiusfor 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 0.035
37、 . . . 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 0.30 . .
38、.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 439K0.030 1.00 0.040 0.030 0.15 0.50 0.50 17.0 to19.00.0
39、6 . .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 which
40、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. This requirement does not apply to Types 409 and 439.DFor CS, specify Type B
41、 to avoid carbon levels below 0.02 %.ECS Type B describes the typical commercial quality product previously included in this specification.FWhen a deoxidized steel is required for the application, the purchaser has the option to order CS and FS to a minimum of 0.01 % total aluminum.GFurnished either
42、 as stabilized or not-stabilized steel at the producers option.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 or t
43、itanium + columbium 0.08+83 (carbon + nitrogen) minimum to 0.75 % maximum with 0.05 % minimum titanium.KShall contain silicon 1.00 % maximum, nitrogen 0.030 % maximum, titanium + columbium 0.20 + 4 3 (carbon + nitrogen) minimum to 1.10 % maximum.TABLE 3 Chemical RequirementsAComposition, %Heat Analy
44、sis 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 37 255 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
45、 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 0.30Grade 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
46、.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 80 550 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.
47、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 80 550 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,
48、 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 which case, only the individual limits on the remaining elements shall apply.CThe limits
49、 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 designation 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 093TABLE 4 Mechanical Requirements, Base Metal (Longitudinal)Inch-Pound UnitsDesignati
