ASTM A216 A216M-2014 Standard Specification for Steel Castings Carbon Suitable for Fusion Welding for High-Temperature Service《高温设备用适合于熔焊的碳钢铸件标准规格》.pdf
《ASTM A216 A216M-2014 Standard Specification for Steel Castings Carbon Suitable for Fusion Welding for High-Temperature Service《高温设备用适合于熔焊的碳钢铸件标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM A216 A216M-2014 Standard Specification for Steel Castings Carbon Suitable for Fusion Welding for High-Temperature Service《高温设备用适合于熔焊的碳钢铸件标准规格》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: A216/A216M 14 Endorsed by Manufacturers Standardization Societyof the Valve and Fittings IndustryEndorsed by American Foundrymens SocietyUsed in USDOE-NE StandardsStandard Specification forSteel Castings, Carbon, Suitable for Fusion Welding, forHigh-Temperature Service1This standard is
2、issued under the fixed designation A216/A216M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial
3、 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*1.1 This specification2covers carbon steel castings forvalves, flanges, fittings, or other pressure-containing parts forhigh-temperature service and of quality
4、 suitable for assemblywith other castings or wrought-steel parts by fusion welding.1.2 Three grades, WCA, WCB, and WCC, are covered inthis specification. Selection will depend upon design andservice conditions, mechanical properties, and the high tem-perature characteristics.1.3 The values stated in
5、 either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.2. Referenc
6、ed Documents2.1 ASTM Standards:3A488/A488M Practice for Steel Castings, Welding, Qualifi-cations of Procedures and PersonnelA703/A703M Specification for Steel Castings, GeneralRequirements, for Pressure-Containing PartsA985/A985M Specification for Steel Investment CastingsGeneral Requirements, for P
7、ressure-Containing Parts2.2 Manufacturers Standardization Society of the Valve andFittings Industry Standard:4SP 55 Steel Castings for Valve, Flanges, and Fittings, andOther Components (Visual Method)3. General Conditions for Delivery3.1 Except for investment castings, castings furnished tothis spec
8、ification shall conform to the requirements of Speci-fication A703/A703M, including any supplementary require-ments that are indicated in the purchase order. Failure tocomply with the general requirements of Specification A703/A703M constitutes nonconformance with this specification. Incase of confl
9、ict between the requirements of this specificationand Specification A703/A703M, this specification shall pre-vail.3.2 Steel investment castings furnished to this specificationshall conform to the requirements of Specification A985/A985M, including any supplementary requirements that areindicated in
10、the purchase order. Failure to comply with thegeneral requirements of Specification A985/A985M consti-tutes nonconformance with this specification. In case of con-flict between the requirements of this specification and Speci-fication A985/A985M, Specification A985/A985M shallprevail.4. Ordering Inf
11、ormation4.1 The inquiry and order should include or indicate thefollowing:4.1.1 A description of the casting by pattern number ordrawing (dimensional tolerances shall be included on thecasting drawing),4.1.2 Grade of steel,1This specification is under the jurisdiction of ASTM Committee A01 on Steel,
12、Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.18 on Castings.Current edition approved May 1, 2014. Published May 2014. Originallyapproved in 1939. Last previous edition approved in 2012 as A216/A216M 12.DOI: 10.1520/A0216_A0216M-14.2For ASME Boiler and Pressu
13、re Vessel Code applications, see related Specifi-cation SA-216/SA-216M in Section II of that code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Docu
14、ment Summary page onthe ASTM website.4Available from Manufacturers Standardization Society of the Valve and FittingsIndustry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http:/www.mss-.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor D
15、rive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.1.3 Options in the specification,4.1.4 Whether the castings are to be produced using theinvestment casting process, and4.1.5 The supplementary requirements desired including thestandards of acceptance.5. Heat Treatment5.1 All casti
16、ngs shall receive a heat treatment proper to theirdesign and chemical composition.5.2 Castings shall be furnished in the annealed, ornormalized, or normalized and tempered condition unlessSupplementary Requirement S15 is specified.5.3 Heat treatment shall be performed after castings havebeen allowed
17、 to cool below the transformation range.6. Temperature Control6.1 Furnace temperatures for heat treating shall be effec-tively controlled by pyrometer.7. Chemical Composition7.1 The steel shall be in accordance with the requirementsas to chemical composition prescribed in Table 1.8. Tensile Requirem
18、ents8.1 Steel used for the castings shall be in accordance withthe requirements as to tensile properties prescribed in Table 2.9. Quality9.1 The surface of the casting shall be examined visuallyand shall be free of adhering sand, scale, cracks, and hot tears.Other surface discontinuities shall meet
19、the visual acceptancestandards specified in the order. Visual Method SP-55 or othervisual standards may be used to define acceptable surfacediscontinuities and finish. Unacceptable visual surface discon-tinuities shall be removed and their removal verified by visualexamination of the resultant cavit
20、ies.9.2 When additional inspection is desired, SupplementaryRequirements S4, S5, and S10 may be ordered.9.3 The castings shall not be peened, plugged, or impreg-nated to stop leaks.10. Repair by Welding10.1 Repairs shall be made using procedures and weldersqualified under Practice A488/A488M.10.2 We
21、ld repairs shall be inspected to the same qualitystandards that are used to inspect the castings. When castingsare produced with Supplementary Requirement S4 specified,weld repairs shall be inspected by magnetic particle examina-tion to the same standards that are used to inspect the castings.When c
22、astings are produced with Supplementary RequirementS5 specified, weld repairs on castings that have leaked onhydrostatic test, or on castings in which the depth of any cavityprepared for repair welding exceeds 20 % of the wall thicknessor 1 in. 25 mm, whichever is smaller, or on castings in whichany
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