1、Designation:A216/A216M16Endorsed 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 issued
2、 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 change sinc
3、e 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 suitable for ass
4、emblywith 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 either SI units or inch
5、-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.Referenced Documents2.1 ASTM Standard
6、s: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 Pressure-Containing Parts2.2 Manufa
7、cturers 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 specification shall conform to the requireme
8、nts 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 conflict between the requirements of this specif
9、icationand 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 the purchase order.Failure to comply with the
10、general 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 Information4.1 The inquiry and order should include
11、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,Stainless Steel and Related Alloys and is the dire
12、ct responsibility of SubcommitteeA01.18 on Castings.Current edition approved March 1,2016.Published March 2016.Originallyapproved in 1939.Last previous edition approved in 2014 as A216/A216M 141.DOI:10.1520/A0216_A0216M-16.2For ASME Boiler and Pressure Vessel Code applications,see related Specifi-ca
13、tion 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 Document Summary page onthe ASTM website.4Available from Man
14、ufacturers 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 Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1
15、 4.1.3 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 castings shall receive a heat treatment proper to theirdesign and chemica
16、l 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 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