ASTM A815 A815M-2017 Standard Specification for Wrought Ferritic Ferritic Austenitic and Martensitic Stainless Steel Piping Fittings《锻制铁素体 铁素体 奥氏体和马氏体不锈钢管道配件的标准规格》.pdf
《ASTM A815 A815M-2017 Standard Specification for Wrought Ferritic Ferritic Austenitic and Martensitic Stainless Steel Piping Fittings《锻制铁素体 铁素体 奥氏体和马氏体不锈钢管道配件的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM A815 A815M-2017 Standard Specification for Wrought Ferritic Ferritic Austenitic and Martensitic Stainless Steel Piping Fittings《锻制铁素体 铁素体 奥氏体和马氏体不锈钢管道配件的标准规格》.pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: A815/A815M 17Standard Specification forWrought Ferritic, Ferritic/Austenitic, and MartensiticStainless Steel Piping Fittings1This standard is issued under the fixed designation A815/A815M; the number immediately following the designation indicates the yearof original adoption or, in the
2、 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.1. Scope*1.1 This specification covers two general classes, WP andCR, of wrought ferritic, ferritic
3、/austenitic, and martensiticstainless steel fittings of seamless and welded constructioncovered by the latest revision of Specification A960/A960M.Fittings differing from these standards may be furnished inaccordance with Supplementary Requirement S58 of Specifi-cation A960/A960M.1.1.1 Class WP fitt
4、ings are subdivided into four subclasses:Classes WP-S, WP-W, WP-WX, and WP-WU. They aremanufactured to the requirements of Specification A960/A960M, and they shall have pressure ratings compatible with13.2. Class WP-S fittings are those manufactured from seam-less product by a seamless method of man
5、ufacture (markedwith class symbol WP-S); Class WP-W fittings are those whichcontain welds where the fitting fabrication or constructionwelds have been radiographed (marked with class symbolWP-W); and Class WP-WX fittings are those which containwelds where all welds have been radiographed (marked wit
6、hclass symbol WP-WX); and Class WP-WU fittings are thosewhich contain welds where all welds have been ultrasonicallytested (marked with class symbol WP-WU).1.1.2 Class CR fittings are those manufactured to therequirements of MSS SP-43, and they shall have pressureratings compatible with 13.3.1.2 Thi
7、s specification does not apply to cast fittings.1.3 Optional supplementary requirements are provided.When desired, one or more of these may be specified in theorder.1.4 This specification is expressed in both inch-pound unitsand in SI units. However, unless the order specifies theapplicable “M” spec
8、ification designation SI units, the mate-rial shall be furnished to inch-pound units.1.5 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem may not be exact equivalents
9、; therefore, each systemshall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with thestandard.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decisio
10、n on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A262 Practices for Detecting Susceptibility to IntergranularAttack in Austenitic Sta
11、inless SteelsA388/A388M Practice for Ultrasonic Examination of SteelForgingsA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsA763 Practices for Detecting Susceptibility to IntergranularAttack in Ferritic Stainless SteelsA923 Test Methods for Detecting Detrimental
12、 IntermetallicPhase in Duplex Austenitic/Ferritic Stainless SteelsA960/A960M Specification for Common Requirements forWrought Steel Piping FittingsE165/E165M Practice for Liquid Penetrant Examination forGeneral Industry2.2 ASME Standards:3B16.9 Factory-Made Wrought Butt-Welding FittingsB16.11 Forged
13、 Fittings, Socket-Welding and Threaded1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.22 on Steel Forgings and Wrought Fittings for Piping Applications and BoltingMaterials for Piping
14、and Special Purpose Applications.Current edition approved Sept. 1, 2017. Published September 2017. Originallyapproved in 1983. Last previous edition approved in 2014 as A815/A815M 141.DOI: 10.1520/A0815_A0815M-17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Cu
15、stomer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Two Park Ave., New York, NY 10016-5990, http:/www.a
16、sme.org.*A Summary of Changes section appears at the end of this standardCopyright 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 standardizat
17、ion established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.12.3 MSS Standards:4MSS SP-43 Standard Practice for Light Weight StainlessSteel Butt-Welding Fitt
18、ingsMSS SP-79 Socket-Welding Reducer InsertsMSS SP-83 Steel Pipe Unions, Socket-Welding andThreadedMSS SP-95 Swage(d) Nipples and Bull PlugsMSS SP-97 Integrally Reinforced Forged Branch OutletFittingsSocket Welding, Threaded and ButtweldingEnds2.4 ASME Boiler and Pressure Vessel Codes:3Section VIII
19、Division ISection IX2.5 ASNT Standard:5SNT-TC-1A Recommended Practice for NondestructiveTesting Personnel Qualification and Certification3. Common Requirements and Ordering Information3.1 Material furnished to this specification shall conform tothe requirements of Specification A960/A960M including
20、anysupplementary requirements that are indicated in the purchaseorder. Failure to comply with the common requirements ofSpecification A960/A960M constitutes nonconformance withthis specification. In case of conflict between this specificationand Specification A960/A960M, this specification shall pre
21、-vail.3.2 Specification A960/A960M identifies the ordering infor-mation that should be complied with when purchasing materialto this specification.4. Materials4.1 The material for fittings shall consist of forgings, bars,plates, or seamless or welded tubular products that conform tothe chemical requ
22、irements in Table 1.4.2 The steel shall be melted by one of the followingprocesses:4.2.1 Electric furnace (with separate degassing and refiningoptional),4.2.2 Vacuum furnace, or4.2.3 Electric furnace followed by vacuum or electroslag-consumable remelting.4.3 If secondary melting is employed, the hea
23、t shall bedefined as all ingots remelted from a primary heat.5. Manufacture5.1 FormingForging or shaping operations may be per-formed by hammering, pressing, piercing, extruding, upsetting,rolling, bending, fusion welding, machining or by combinationof two or more of these operations. The forming pr
24、ocedureshall be so applied that it will not produce surface discontinui-ties deeper than 5 % of the specified nominal thickness of thefitting.5.2 All classes of fittings shall be heat treated in accordancewith Section 6.5.3 Fittings ordered as Class WP-S shall be of seamlessconstruction and shall me
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