ASTM A705 A705M-2013 Standard Specification for Age-Hardening Stainless Steel Forgings《时效硬化的不锈和耐热钢锻件标准规格》.pdf
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1、Designation: A705/A705M 95 (Reapproved 2009)A705/A705M 13Standard Specification forAge-Hardening Stainless Steel Forgings1This standard is issued under the fixed designation A705/A705M; the number immediately following the designation indicates the yearof original adoption or, in the case of revisio
2、n, 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.1. Scope1.1 This specification2 covers age-hardening stainless steel forgings for general use.1.2 The values stated
3、 in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo systems may result in non-conformance with the standard.1.3 U
4、nless the order specifies an “M” designation, the material shall be furnished to inch-pound units.NOTE 1Bar products are covered by Specification A564/A564M.2. Referenced Documents2.1 ASTM Standards:3A370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA484/A484M Specification f
5、or General Requirements for Stainless Steel Bars, Billets, and ForgingsA564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and ShapesA751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel ProductsE527 Practice for Numbering Metals and Al
6、loys in the Unified Numbering System (UNS)2.2 Other Documents:4SAE J 1086 Recommended Practice for Numbering Metals and Alloys (UNS)3. Ordering Information3.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under thisspecification. Such r
7、equirements may include but are not limited to the following:3.1.1 Quantity (weight or number of pieces),3.1.2 Name of material (age-hardening stainless steel forgings),3.1.3 Dimensions, including prints or sketches,3.1.4 Type or UNS designation (Table 1),3.1.5 Heat-treated condition (Section 5),3.1
8、.6 Transverse properties when required (7.4),3.1.7 ASTM designation and date of issue, and3.1.8 Special requirements (5.3, 5.4).3.2 If possible, the intended end use of the item should be given on the purchase order, especially when the item is ordered fora specific end use or uses.NOTE 2Atypical or
9、dering description is as follows: 5 age-hardening stainless steel forgings, Type 630, solution-annealed,ASTM Specification A705dated _ . End use: pump blocks for oil well equipment.1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is
10、the direct responsibility of Subcommittee A01.17on Flat-Rolled and Wrought Stainless Steel.Current edition approved May 1, 2009May 1, 2013. Published June 2009 July 2013. Originally approved in 1974. Last previous edition approved in 20042009 asA705/A705M 95 (2004).(2009). DOI: 10.1520/A0705_A0705M-
11、95R09.10.1520/A0705_A0705M-13.2 For ASME Boiler and Pressure Vessel Code applications see related Specification SA-705/SA-705M in Section II of that Code.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM S
12、tandardsvolume information, refer to the standards Document Summary page on the ASTM website.4 Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an i
13、ndication of what changes have been made to the previous version. 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 b
14、e considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14. General Requirements4.1 In addition to the requirements of this specification, all requirements of the current edition of Specification A484/A484Msh
15、all apply. Failure to comply with the general requirements of Specification A484/A484M, constitutes nonconformance with thisspecification.5. Materials and Manufacture5.1 Material for forgings shall consist of billets or bars, either forged, rolled or cast, or a section cut from an ingot. The cutssha
16、ll be made to the required length by a suitable process. This material may be specified to Specification A564/A564M.5.2 The material shall be forged by hammering, pressing, rolling, extruding, or upsetting to produce a wrought structurethroughout and shall be brought as nearly as possible to the fin
17、ished shape and size by hot working.5.3 When specified on the order, sample forging may be sectioned and etched to show flow lines and the condition in regardto internal imperfections. When so specified, the question of acceptable and unacceptable metal flow shall be subject to agreementbetween the
18、manufacturer and the purchaser prior to order entry.5.4 When specified on the order, the manufacturer shall submit for approval of the purchaser a sketch showing the shape of therough forging before machining, or before heat treating for mechanical properties.5.5 The grain size shall be as fine as p
19、racticable and precautions shall be taken to minimize grain growth.5.6 Material of types other than XM-9 shall be furnished in the solution-annealed condition, or in the equalized andover-tempered condition, as noted in Table 2, unless otherwise specified by the purchaser.5.6.1 Types 630, XM-16, and
20、 XM-25 may be furnished in the solution-annealed or age-hardened condition.6. Chemical Composition6.1 The steel shall conform to the chemical composition limits specified in Table 1.6.2 Methods and practices relating to chemical analysis required by this specification shall be in accordance with Tes
21、t Methods,Practices, and Terminology A751.7. Mechanical Properties7.1 The material, as represented by mechanical test specimens, shall conform to the mechanical property requirements specifiedin Table 2 and shall be capable of developing the properties in Table 3 when heat treated as specified in Ta
22、ble 3.7.2 The yield strength shall be determined by the offset method as described in the current edition of Test Methods andDefinitions A370. The limiting permanent offset shall be 0.2 % of the gage length of the specimen.7.3 The impact strength shall be determined at 70 to 80F 20 to 25C, by Charpy
23、 V-notch specimen Type A as described inTest Methods and Definitions A370.7.4 Material tensile tested and, when specified, impact tested in the transverse direction (perpendicular to the forging flow lines)and meeting the requirements shown in Table 3 need not be tested in the longitudinal direction
24、.TABLE 1 Chemical RequirementsAComposition, %UNSDesignationBType Carbon Manganese Phospho-rusSul-furSili-conChromium Nickel Alumi-numMolyb-denumTita-niumCopper OtherElementsS17400 630 0.07 1.00 0.040 0.030 1.00 15.0017.50 3.005.00 . . . 3.005.00 CS17700 631 0.09 1.00 0.040 0.030 1.00 16.0018.00 6.50
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