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9、ents, for General Industrial Use (Withdrawn 1996)3.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
20、.03 maxChromium 4.755.50 11.0013.00 11.0013.00 0.35 max 3.754.50Molybdenum 0.901.40 0.701.20 0.701.20 0.200.80 4.505.50Vanadium 0.200.50A 0.401.00A 0.350.55 0.35 max 1.252.20Cobalt . 0.701.00A 2.503.50 . 0.25 maxTungsten . . . . 5.506.75Nickel . . 0.400.60A . 0.25 maxElement Composition, %CS-7 CH-12
21、 CH-13 CO-1Carbon 0.450.55 0.300.40 0.300.42 0.851.00Manganese 0.400.80 0.75 max 0.75 max 1.001.30Silicon 0.601.00 1.50 max 1.50 max 1.50 maxSulfur 0.03 max 0.03 max 0.03 max 0.03 maxPhosphorus 0.03 max 0.03 max 0.03 max 0.03 maxChromium 3.003.50 4.755.75 4.755.75 0.401.00Molybdenum 1.201.60 1.251.7
22、5 1.251.75 .Vanadium . 0.200.50 0.751.20 0.30 maxCobalt . . . .Tungsten . 1.001.70 . 0.400.60Nickel . . . .TABLE 1 Chemical RequirementsNOTE 1Where ellipses (.) appear in this table, there is no requirement, and the element need not be analyzed for or reported.Composition, %Grade CA-2 CD-2 CD-5 CS-5
23、 CM-2Element UNS T90102 T90402 T90405 T91905 T11302Carbon 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 0.0
24、3 max 0.03 maxChromium 4.755.50 11.0013.00 11.0013.00 0.35 max 3.754.50Molybdenum 0.901.40 0.701.20 0.701.20 0.200.80 4.505.50Vanadium 0.200.50A 0.401.00A 0.350.55 0.35 max 1.252.20Cobalt . 0.701.00A 2.503.50 . 0.25 maxTungsten . . . . 5.506.75Nickel . . 0.400.60A . 0.25 maxComposition, %Grade CS-7
25、CH-12 CH-13 CD-51Element UNS T91907Carbon 0.450.55 0.300.40 0.300.42 0.851.00Manganese 0.400.80 0.75 max 0.75 max 1.001.30Silicon 0.601.00 1.50 max 1.50 max 1.50 maxSulfur 0.03 max 0.03 max 0.03 max 0.03 maxPhosphorus 0.03 max 0.03 max 0.03 max 0.03 maxChromium 3.003.50 4.755.75 4.755.75 0.401.00Mol
26、ybdenum 1.201.60 1.251.75 1.251.75 .Vanadium . 0.200.50 0.751.20 0.30 maxCobalt . . . .Tungsten . 1.001.70 . 0.400.60Nickel . . . .A Optional element. Tool steels have found satisfactory application either with or without element present. If desired, it should be specified on the order.A597/A597M 14
27、25. Materials and Manufacture5.1 Heat treatment, if any, shall be as agreed between the producer and the purchaser.5.2 The steel Welding shall be made by one or more of the following processes: Electric-arc furnace or induction furnace andmay be argon-oxygen decarburization (AOD) refined. The steel
28、can be remelted in air, vacuum, or inert atmosphere. not beperformed on these grades except by approval of the purchaser.6. Chemical RequirementsComposition6.1 A chemical analysis of each heat of steel (see Alloys Note 1) for master heats and for usable cast shapes shall be made bythe manufacturer i
29、n accordance with Test Methods shall conform to the requirements prescribed in A751. Sampling shall be inaccordance with Method E59. The chemical composition thus determined shall not vary from the limits specified in Table 1.6. Inspection6.1 When specified in the purchase order, the inspector repre
30、senting the purchaser shall have access to the material subject toinspection for the purpose of witnessing the selection of samples and performance of the analytical tests. For such tests, theinspector shall have the right to indicate the pieces from which samples will be selected. Otherwise, the ma
31、nufacturer shall reportto the purchaser, or his representative, the results of the chemical analysis made in accordance with this specification.7. Keywords7.1 cast tool steel7. Rejection and Rehearing7.1 RejectionUnless otherwise specified, any rejection based on tests made in accordance with this s
32、pecification shall bereported to the manufacturer within 30 days from the date of receipt of the material.7.2 RehearingSamples tested in accordance with this specification that represent rejected material shall be preserved for threeweeks from the date of the test report. In case of dissatisfaction
33、with the results of the test, the manufacturer may make claim fora rehearing within that time.8. Packaging and Package Marking8.1 PackagingMaterial shall be packed in such a manner as to ensure safe delivery when properly transported by any commoncarrier.8.2 Package MarkingMaterial from each heat sh
34、all be marked with heat or lot number, specification number (ASTM A 597),type of steel, and form in order to ensure proper identification.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue(A59787(2010) that may impact the use of this
35、 standard. (Approved Oct. 1, 2014.)(1) Section 6, 7, and 8 deleted. Sections 1, 4, 5, 6, and Table 1 revised.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised
36、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 technical committee and must be reviewed every five years andif not revised, either reap
37、proved 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 consideration at a meeting of theresponsible technical committee, which you may attend. If you
38、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 Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual r
39、eprints (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(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:/ The last approved version of this historical standard is referenced on www.astm.org.A597/A597M 143
