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    ASTM A794A794M-12(2017) Standard Specification for Commercial Steel (CS), Sheet, Carbon (0.16 % Maximum to 0.25 % Maximum), Cold-Rolled.pdf

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    ASTM A794A794M-12(2017) Standard Specification for Commercial Steel (CS), Sheet, Carbon (0.16 % Maximum to 0.25 % Maximum), Cold-Rolled.pdf

    1、Designation: A794/A794M 12 (Reapproved 2017)Standard Specification forCommercial Steel (CS), Sheet, Carbon (0.16 % Maximum to0.25 % Maximum), Cold-Rolled1This standard is issued under the fixed designation A794/A794M; the number immediately following the designation indicates the yearof original ado

    2、ption or, in the case of revision, the year of 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 U.S. Department of Defen

    3、se.1. Scope*1.1 This specification covers cold-rolled commercial steel(CS) sheet in coils and cut lengths, in which the maximum ofthe specified carbon range is over 0.15 and not over 0.25 %,and the maximum of the specified manganese range is not over0.90 %. This material is ordered to chemical compo

    4、sition.1.2 This specification is not applicable to the steels coveredin Specifications A109/A109M and A1008/A1008M.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsyste

    5、m shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for th

    6、eDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A109/A109M Specification for Steel, Strip, Carbon (0.25Maximum Percent), Cold-RolledA568/A568M Specificati

    7、on for Steel, Sheet, Carbon,Structural, and High-Strength, Low-Alloy, Hot-Rolled andCold-Rolled, General Requirements forA749/A749M Specification for Steel, Strip, Carbon andHigh-Strength, Low-Alloy, Hot-Rolled, General Require-ments forA1008/A1008M Specification for Steel, Sheet, Cold-Rolled,Carbon

    8、, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, SolutionHardened, and Bake HardenableE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)2.2 Society of Automotive Engineers Standard:3J 1086 Numbering Metals and Alloys3. Ordering

    9、 Information3.1 It is the purchasers responsibility to specify in thepurchase order all ordering information necessary to purchasethe needed material. Examples of such information, include butare not limited to, the following:3.1.1 ASTM specification number and year of issue,3.1.2 Name of material (

    10、cold-rolled commercial steel (CS)sheet),3.1.3 Grade designation or chemical composition or both,3.1.4 Copper-bearing steel (if required),3.1.5 Finish; indicate unexposed with matte (dull) finish, orexposed with either matte (dull), commercial bright or lusterfinish, as required,3.1.6 Specify oiled o

    11、r not oiled, as required,3.1.7 Dimensions (thickness, width, and whether cut lengthsor coils),NOTE 1Not all producers are capable of meeting all the limitations ofthe thickness tolerance tables in Specification A568/A568M. The pur-chaser should contact the producer regarding possible limitations pri

    12、or toplacing an order.3.1.8 Coil size (must include inside diameter, outsidediameter, and maximum mass),3.1.9 Quantity,3.1.10 Application (show part identification anddescription),3.1.11 Cast or heat analysis report (request, if required), and3.1.12 Special requirements (if any).3.1.12.1 When the pu

    13、rchaser requires thickness tolerancesfor38 in. 10 mm minimum edge distance (see Supplementary1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloysand is the direct responsibility of SubcommitteeA01.19 on Steel Sheet and Strip.Current edition

    14、approved Sept. 1, 2017. Published September 2017. Originallyapproved in 1982. Last previous edition approved in 2012 as A794/A794M 12.DOI: 10.1520/A0794_A0794M-12R17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual B

    15、ook of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from Society of Automotive Engineers (SAE), 400 CommonwealthDr., Warrendale, PA 15096-0001, http:/www.sae.org.*A Summary of Changes section appears at the end of this standardCopyright

    16、 ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International

    17、Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.1Requirement in Specification A568/A568M), this requirementshall be specified in the purchase order or contract.NOTE 2Atypical ordering description is as follows:ASTMA794-XX,Cold-

    18、Rolled Commercial Steel (CS), Grade 1018, Exposed, Matte Finish,Oiled, 0.030 by 36 by 96 in., 100 000 lb., for Part No. 5226 SteelShelving, or, ASTM A794M-XX, Cold-Rolled Commercial Steel (CS),Grade 1018, Exposed, Matte Finish, Oiled 0.75 by 915 by 2438 mm,45,000 kg, for Part N. 5226 Steel Shelving.

    19、4. Manufacture4.1 ConditionThe material shall be furnished in the an-nealed and temper-rolled condition but may be supplied fullhard if specified.5. Chemical Composition5.1 The cast or heat (formerly ladle) analysis of the steelshall conform to the chemical requirements shown in Table 1,or chemical

    20、compositions can be specified from carbon 0.16 %maximum to 0.25 % maximum, inclusive, and manganese0.90 % maximum, inclusive, which conforms to the standardchemical ranges and limits tables in the Appendix of Specifi-cation A568/A568M.5.1.1 Unspecified elements may be present. Limits on ele-ments sh

    21、all be as stated in Table 2.5.1.1.1 Each of the elements listed in Table 2 shall beincluded in the report of the heat analysis. When the amount ofcopper, nickel, chromium, or molybdenum is less than 0.02 %,the analysis may be reported as 0.02 %. When the amount ofvanadium or columbium is less than 0

    22、.008 %, the analysis maybe reported as 0.008 %.5.2 Where material is used for fabrication by welding, caremust be exercised in selection of the chemical composition toassure compatibility with the welding process and its effects onaltering the properties of the steel.6. Bending Properties6.1 The min

    23、imum forming radius (radii) which steel cov-ered by this specification can be expected to sustain is listed inthe appendix and is discussed in more detail in SpecificationsA568/A568M and A749/A749M. When tighter bend radii arerequired, or curved or offset bends are involved, or whenstretching or dra

    24、wing are also a consideration, the producersshall be consulted.7. General Requirements for Delivery7.1 Material furnished under this specification shall con-form to the applicable requirements of the current edition ofSpecification A568/A568M, unless otherwise provided herein.8. Certification and Re

    25、ports8.1 When requested, the producer shall furnish copies of areport showing test results of the cast or heat analysis. Thereport shall include the purchase order number, ASTM desig-nation number, and the cast or heat number representing thematerial.9. Keywords9.1 carbon steel sheet; carbon steel s

    26、trip; cold rolled steelsheet; cold rolled steel strip; steel sheet; steel stripTABLE 1 Typical Grade Designations and ChemicalCompositionsASteelDesignationNo.Carbon, % Mn, % P, Max, % S, Max, %1015 0.130.18 0.300.60 0.030 0.0351016 0.130.18 0.600.90 0.030 0.0351017 0.150.20 0.300.60 0.030 0.0351018

    27、0.150.20 0.600.90 0.030 0.0351020 0.180.23 0.300.60 0.030 0.0351021 0.180.23 0.600.90 0.030 0.0351023 0.200.25 0.300.60 0.030 0.035ACopper, when specified, shall have a minimum content of 0.20 % by cast or heatanalysis.TABLE 2 Limits on Additional Elements (see 5.1.1)Copper,max %ANickel, max %AChrom

    28、ium, max %ABMolybdenum, max %ABVanadium, max %Columbium, max %Heat analysisProduct analysisHeat analysisProduct analysisHeat analysisProduct analysisHeat analysisProduct analysisHeat analysisProduct analysisHeat analysisProduct analysis0.200.230.200.230.150.190.060.070.0080.0180.0080.018AThe sum of

    29、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 unspecifiedelements will apply.BThe sum of chromium and molybdenum shall not exceed 0.

    30、16 % on heatanalysis. When one or more of these elements are specified, the sum does notapply; in which case, only the individual limits on the remaining unspecifiedelements will apply.A794/A794M 12 (2017)2APPENDIX(Nonmandatory Information)X1. BENDING PROPERTIESSUMMARY OF CHANGESCommittee A01 has id

    31、entified the location of selected changes to this standard since the last issue (A794 09)that may impact the use of this standard. (Approved May 1, 2012.)(1) Deleted UNS designations from Table 1.ASTM International takes no position respecting the validity of any patent rights asserted in connection

    32、 with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible t

    33、echnical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful conside

    34、ration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr

    35、 Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website

    36、(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ X1.1 Suggested Minimum Inside Radii for Cold BendingANOTE 1(t) equals a radius equivalent to the steel thickness.NOTE

    37、 2The suggested radii should be used as minimums for 90bends in actual shop practice.Maximum of SpecifiedManganese Range, %Minimum Inside Radiusfor Cold BendingTo 0.60 incl.Over 0.60 to 0.90 incl.112 t2 tAMaterial that does not perform satisfactorily, when fabricated in accordance withthe above requirements, may be subject to rejection pending negotiation with thesteel supplier.A794/A794M 12 (2017)3


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