ASTM A815 A815M-2007a Standard Specification for Wrought Ferritic Ferritic Austenitic and Martensitic Stainless Steel Piping Fittings.pdf
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1、Designation: A 815/A 815M 07aStandard Specification forWrought Ferritic, Ferritic/Austenitic, and MartensiticStainless Steel Piping Fittings1This standard is issued under the fixed designationA 815/A 815M; the number immediately following the designation indicates the yearof original adoption or, in
2、 the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) 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, fer
3、ritic/austenitic, and martensiticstainless steel fittings of seamless and welded constructioncovered by the latest revision of Specification A 960/A 960M.Fittings differing from these standards may be furnished inaccordance with Supplementary Requirement S8.1.1.1 Class WP fittings are subdivided int
4、o four subclasses:Classes WP-S, WP-W, WP-WX, and WP-WU. They aremanufactured to the requirements of Specification A 960/A 960M, and they shall have pressure ratings compatible with12.2. Class WP-S fittings are those manufactured from seam-less product by a seamless method of manufacture (markedwith
5、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 withclass symbol WP-WX);
6、 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 12.3.1.2 This specification does
7、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” specification designation
8、 SI units, the mate-rial shall be furnished to inch-pound units.1.5 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system
9、 mustbe used independently of the other. Combining values from thetwo systems may result in nonconformance with the specifi-cation.2. Referenced Documents2.1 ASTM Standards:2A 262 Practices for Detecting Susceptibility to Intergranu-lar Attack in Austenitic Stainless SteelsA 370 Test Methods and Def
10、initions for Mechanical Testingof Steel ProductsA 388/A 388M Practice for Ultrasonic Examination ofHeavy Steel ForgingsA 751 Test Methods, Practices, and Terminology forChemical Analysis of Steel ProductsA 763 Practices for Detecting Susceptibility to Intergranu-lar Attack in Ferritic Stainless Stee
11、lsA 960/A 960M Specification for Common Requirementsfor Wrought Steel Piping FittingsE 165 Test Method for Liquid Penetrant Examination2.2 ASME Standards:3B16.9 Wrought Steel Butt-Welding FittingsB16.11 Forged Steel Fittings, Socket-Welding and Threaded2.3 MSS Standards:4MSS SP-43 Standard Practice
12、for Light Weight StainlessSteel Butt-Welding FittingsMSS SP-79 Socket-Welding Reducer InsertsMSS SP-83 Steel Pipe Unions, Socket-Welding andThreadedMSS SP-95 Swage(d) Nipples and Bull Plugs2.4 ASME Boiler and Pressure Vessel Codes:3Section VIII Division I, Pressure Vessels2.5 ASNT Standard:51This sp
13、ecification 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 and Special Purpose Applications.Current editi
14、on approved Sept. 1, 2007. Published October 2007. Originallyapproved in 1983. Last previous edition approved in 2007 as A 815/A 815M 07.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume i
15、nformation, refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.4Available from Manufacturers Standardization Society of the Valve
16、 and FittingsIndustry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http:/www.mss-.5Available fromAmerican Society for Nondestructive Testing (ASNT), P.O. Box28518, 1711 Arlingate Ln., Columbus, OH 43228-0518, http:/www.asnt.org.1*A Summary of Changes section appears at the end of this standard.Co
17、pyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.SNT-TC-1A(1984) Recommended Practice for Nondestruc-tive Testing Personnel Qualification and Certification3. Common Requirements and Ordering Information3.1 Material furnished to this spec
18、ification shall conform tothe requirements of SpecificationA 960/A 960M including anysupplementary requirements that are indicated in the purchaseorder. Failure to comply with the common requirements ofSpecification A 960/A 960M constitutes nonconformance withthis specification. In case of conflict
19、between this specificationand Specification A 960/A 960M, this specification shall pre-vail.3.2 Specification A 960/A 960M identifies the ordering in-formation that should be complied with when purchasingmaterial to this specification.4. Materials4.1 The material for fittings shall consist of forgin
20、gs, bars,plates, or seamless or welded tubular products that conform tothe chemical requirements 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, orTABLE 1 Chemical RequirementsNOTE 1
21、Where an ellipsis (. . .) appears in this table, there is no requirement.Composition, %GradeAGradeWPGradeCRUNSC,maxMnBP,maxS,maxSi,maxNiBCr MoCu,maxN Ti OtherFerritic SteelsWP27 CR27 S44627 0.010 0.75 0.020 0.020 0.40 0.50 25.027.50.751.500.20 0.015max. Cb0.050.20WP33 CR33 S44626 0.06 0.75 0.040 0.0
22、20 0.75 0.50 25.027.00.751.500.20 0.040max0.201.00(73(C+N) min.WP429 CR429 S42900 0.12 1.0 0.040 0.030 0.75 0.50 14.016.0. . . . .WP430 CR430 S43000 0.12 1.00 0.040 0.030 1.00 0.50 16.018.0. . . . .WP430TI CR430Ti S43036 0.10 1.00 0.040 0.030 1.00 0.75 16.019.5. . . (53C) min 0.75max.WP446 CR446 S44
23、600 0.20 1.50 0.040 0.030 0.75 0.50 23.027.0. . 0.25 . .Ferritic/Austenitic SteelsWPS31803 CRS31803 S31803 0.030 2.00 0.030 0.020 1.0 4.56.521.023.02.53.5. . . 0.080.20. .WPS32101 CRS32101 S32101 0.040 4.06.00.040 0.030 1.00 1.351.7021.022.00.100.800.100.800.200.25. .WPS32750 CRS32750 S32750 0.030 1
24、.20 0.035 0.020 0.8 6.08.024.026.03.05.00.5 0.240.32. .WPS32950 CRS32950 S32950 0.030 2.00 0.035 0.010 0.60 3.55.226.029.01.002.50. . . 0.150.35. .WPS32760 CRS32760 S32760 0.030 1.00 0.030 0.010 1.00 6.08.024.026.0C3.04.0C0.501.000.200.30C. W0.501.00WPS39274 CRS39724 S32974 0.030 1.00 0.030 0.020 0.
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