ASTM A597 A597M-2014 Standard Specification for Cast Tool Steel《铸造工具钢的标准规格》.pdf
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1、Designation: A597 87 (Reapproved 2010)A597/A597M 14Standard Specification forCast Tool Steel1This standard is issued under the fixed designationA597;A597/A597M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year of last revis
2、ion. A number in parentheses indicates the year of lastreapproval. 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 Defense.1. Scope Scope*1.1 This specification covers tool stee
3、l compositions for usable shapes cast by pouring directly into suitable molds and formaster heats for remelting and casting. castings having chemical compositions similar to those of the standard wrought grades.NOTE 1A master heat is defined as any single heat of steel of certified analysis which ha
4、s been processed into suitable form (shot, ingot, etc.) forremelting.Auniform blend of master heats is also acceptable for remelting.This blend is defined as a master heat lot and its average chemical compositionshall be certified.1.2 Several grades are covered and are designated by chemical composi
5、tion shown in Table 1.1.3 Nine grades, CA-2, CD-2, CD-5, CM-2, CS-5, CS-7, CH-12, CH-13, and CO-1, are covered in this specification.The valuesstated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown inbrackets. TheNOTE 2The com
6、mittee formulating this specification has included air- and oil-hardening grades of tool steel that have been extensively used. Othercompositions will be considered for inclusion as the need arises. values stated in each system may not be exact equivalents; therefore, eachsystem shall be used indepe
7、ndently of the other. Combining values from the two systems may result in nonconformance with thestandard. Inch-pound units are applicable to material ordered to Specification A597 and SI units for material ordered to A597M.2. Referenced Documents2.1 ASTM Standards:2A751A781/A781M Test Methods, Prac
8、tices, and Terminology for Chemical Analysis of Steel ProductsSpecification forCastings, Steel and Alloy, Common Requirements, for General Industrial UseE59A957/A957M PracticeSpecification for Sampling Investment Castings, Steel and Iron for Determination of ChemicalCompositionAlloy, Common Requirem
9、ents, for General Industrial Use (Withdrawn 1996)3. General Conditions for Delivery3.1 Except for investment castings, material furnished to this specification shall conform to the requirements of SpecificationA781/A781M, including any supplementary requirements that are indicated in the purchase or
10、der. Failure to comply with thegeneral requirements of Specification A781/A781M constitutes nonconformance with this specification. In case of conflict betweenthe requirements of this specification and Specification A781/A781M, this specification shall prevail.3.2 Investment castings furnished to th
11、is specification shall conform to the requirements of Specification A957/A957M,including any supplementary requirements that are indicated in the purchase order. Failure to comply with the general requirementsof Specification A957/A957M constitutes nonconformance with this specification. In the case
12、 of conflict between the requirementsof this specification and Specification A957/A957M, Specification A957/A957M shall prevail.4. Ordering Information4.1 Purchase orders shall Orders for material under this specification should include the following information to describe thedesired material: info
13、rmation:4.1.1 ASTM specification number and date of issue, Quantity,1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee A01.29on Tool Steels.Current edition approved Oct. 1, 2010Oct. 1, 2014.
14、 Published December 2010October 2014. Originally published asapproved in A597 69.1969. Last previous editionapproved in 2010 as A597 87 (2004).(2010). DOI: 10.1520/A0597-87R10.10.1520/A0597_A0597M-14.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service
15、 at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous v
16、ersion. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes s
17、ection appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.1.2 Name of material (cast tool steel), Specification, including year date,4.1.3 Grade (seeof Table 1), steel,4.1.4 Form (shot, ingot, or shap
18、ed castings), and Description of the casting by pattern number or drawing. Dimensionaltolerances should be included on the drawing.4.1.5 Special requirements. Options in the specification, and.4.1.6 Supplementary requirements desired, including standards of acceptance.TABLE 1 Chemical RequirementsEl
19、ement Composition, %CA-2 CD-2 CD-5 CS-5 CM-2Carbon 0.951.05 1.401.60 1.351.60 0.500.65 0.780.88Manganese 0.75 max 1.00 max 0.75 max 0.601.00 0.75 maxSilicon 1.50 max 1.50 max 1.50 max 1.752.25 1.00 maxSulfur 0.03 max 0.03 max 0.03 max 0.03 max 0.03 maxPhosphorus 0.03 max 0.03 max 0.03 max 0.03 max 0
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