1、Designation: A216/A216M 16A216/A216M 18 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
2、 standard is 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
3、 an editorial 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 specification2 covers carbon steel castings for valves, flanges, fittings, or other pressure-containing parts forhigh-temperature service
4、 and of quality suitable for assembly with other castings or wrought-steel wrought steel parts by fusionwelding.1.2 Three grades, WCA, WCB, and WCC, are covered in this specification. Selection will depend upon design and serviceconditions, mechanical properties, and the high temperature high-temper
5、ature characteristics.1.3 The values stated 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
6、 in non-conformancenonconformance with the standard.1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby t
7、he World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:3A488/A488M Practice for Steel Castings, Welding, Qualifications of Procedures and PersonnelA703/A703M Specification for Steel Castings, General Requirements, for Pressure-Containing Par
8、tsA985/A985M Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts2.2 ManufacturersManufacturers Standardization Society of the Valve and Fittings Industry Standard:4SP 55 Steel Castings for Valve, Flanges, and Fittings, and Other Components (Visual Method)3
9、. General Conditions for Delivery3.1 Except for investment castings, castings furnished to this specification shall conform to the requirements of SpecificationA703/A703M, including any supplementary requirements that are indicated in the purchase order. Failure to comply with thegeneral requirement
10、s of Specification A703/A703M constitutes nonconformance with this specification. In case of conflict betweenthe requirements of this specification and Specification A703/A703M, this specification shall prevail.3.2 Steel investment castings furnished to this specification shall conform to the requir
11、ements of Specification A985/A985M,including any supplementary requirements that are indicated in the purchase order. Failure to comply with the general requirementsof Specification A985/A985M constitutes nonconformance with this specification. In case of conflict between the requirements ofthis spe
12、cification and Specification A985/A985M, Specification A985/A985M shall prevail.1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee A01.18on Castings.Current edition approved March 1, 2016Jul
13、y 1, 2018. Published March 2016July 2018. Originally approved in 1939. Last previous edition approved in 20142016 asA216/A216M 14A216/A216M 16.1. DOI: 10.1520/A0216_A0216M-16.10.1520/A0216_A0216M-18.2 For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-216/SA-216M in
14、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 Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4 Available from Manufacturers Standa
15、rdization Society of the Valve and Fittings Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http:/www.mss-.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may n
16、ot 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 be considered the official document.*A Summary of Changes section appears at the e
17、nd of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14. Ordering Information4.1 The inquiry and order should include or indicate the following:4.1.1 A description of the casting by pattern number or drawing (dimensional
18、tolerances shall be included on the castingdrawing),4.1.2 Grade of steel,4.1.3 Options in the specification,4.1.4 Whether the castings are to be produced using the investment casting process, and4.1.5 The supplementary requirements desired, including the standards of acceptance.5. Heat Treatment5.1
19、All castings shall receive a heat treatment proper to their design and chemical composition.5.2 Castings shall be furnished in the annealed, or normalized, or normalized and tempered condition unless SupplementaryRequirement S15 is specified.5.3 Heat treatment shall be performed after castings have
20、been allowed to cool below the transformation range.6. Temperature Control6.1 Furnace temperatures for heat treating shall be effectively controlled by pyrometer.TABLE 1 Chemical RequirementsNOTE 1All values are maximums.Element Composition, %GradeWCAUNS J02502GradeWCBUNS J03002GradeWCCUNS J02503Car
21、bon 0.25A 0.30B 0.25CManganese 0.70A 1.00B 1.20CPhosphorus 0.035 0.035 0.035Sulfur 0.035D 0.035D 0.035DSilicon 0.60 0.60 0.60Specified residualelements:Copper 0.30 0.30 0.30Nickel 0.50 0.50 0.50Chromium 0.50 0.50 0.50Molybdenum,max0.20 0.20 0.20Vanadium 0.03 0.03 0.03Total of thesespecified residual
22、elementsE1.00 1.00 1.00TABLE 1 Chemical RequirementsAElement, %Material GradeUNSCarbon Manganese Phosphorus SulfurB Silicon NickelC ChromiumC MolybdenumC CopperC VanadiumCWCADJ02502 0.25 0.70 0.035 0.035 0.60 0.50 0.50 0.20 0.30 0.03WCBDJ03002 0.30 1.00 0.035 0.035 0.60 0.50 0.50 0.20 0.30 0.03WCCDJ
23、02503 0.25 1.20 0.035 0.035 0.60 0.50 0.50 0.20 0.30 0.03A All values are maximums.B For lower maximum sulfur content, see Supplementary Requirement S52.C Specified Residual ElementsExcept when Supplementary Requirement S50 is specified, the total content of these elements is 1.00 % maximum.D For ea
24、ch reduction of 0.01 % below the specified maximum carbon content, an increase of 0.04 % manganese above the specified maximum will be permitted up to amaximum of 1.10 %. 1.10 % for WCA, 1.28 % for WCB, and 1.40 % for WCC.B For each reduction of 0.01 % below the specified maximum carbon content, an
25、increase of 0.04 % Mn above the specified maximum will be permitted up to a maximumof 1.28 %.C For each reduction of 0.01 % below the specified maximum carbon content, an increase of 0.04 % manganese above the specified maximum will be permitted to amaximum of 1.40 %.D For lower maximum sulfur conte
26、nt, see Supplementary Requirement S52.E Not applicable when Supplementary Requirement S11 is specified.A216/A216M 1827. Chemical Composition7.1 The steel shall be in accordance with the requirements as to chemical composition prescribed in Table 1.8. Tensile Requirements8.1 Steel used for the castin
27、gs shall be in accordance with the requirements as to tensile properties prescribed in Table 2.9. Quality9.1 The surface of the casting shall be examined visually and shall be free of adhering sand, scale, cracks, and hot tears. Othersurface discontinuities shall meet the visual acceptance standards
28、 specified in the order. Visual Method SP-55 or other visualstandards may be used to define acceptable surface discontinuities and finish. Unacceptable visual surface discontinuities shall beremoved and their removal verified by visual examination of the resultant cavities.9.2 When additional inspec
29、tion is desired, Supplementary Requirements S4, S5, and S10 may be ordered.9.3 The castings shall not be peened, plugged, or impregnated to stop leaks.10. Repair by Welding10.1 Repairs shall be made using procedures and welders qualified under Practice A488/A488M.10.2 Weld repairs shall be inspected
30、 to the same quality standards that are used to inspect the castings. When castings areproduced with Supplementary Requirement S4 specified, weld repairs shall be inspected by magnetic particle examination to thesame standards that are used to inspect the castings. When castings are produced with Su
31、pplementary Requirement S5 specified,weld repairs on castings that have leaked on hydrostatic test, or on castings in which the depth of any cavity prepared for repairwelding exceeds 20 % of the wall thickness or 1 in. 25 mm, whichever is smaller, or on castings in which any cavity preparedfor weldi
32、ng is greater than approximately 10 in.2 65 cm2, shall be radiographed to the same standards that are used to inspectthe castings.10.3 Castings containing any repair weld that exceeds 20 % of the wall thickness or 1 in. 25 mm, whichever is smaller, or thatexceeds approximately 10 in.2 65 cm2 in area
33、, or that was made to correct hydrostatic test defects, shall be stress relieved or heattreated after welding. This mandatory stress relief or heat treatment shall be in accordance with the procedure qualification used.TABLE 2 Tensile RequirementsGradeWCAGradeWCBGradeWCCTensilestrength, ksiMPa60 to
34、85415 to 58570 to 95485 to 65570 to 95485 to 655Yieldstrength,Amin,ksi MPa30 205 36 250 40 275Elongationin 2 in.50 mm,min, %B2422 22Reduction ofarea,min, %35 35 35TABLE 2 Tensile RequirementsAMaterialGradeTensileStrength,ksi MPaYieldStrength,Bksi MPaElongationin 2 in.50 mm, %CReduction ofArea, %WCA
35、60 85415 585 30 205 24 35WCB 70 95485 655 36 250 22 35WCC 70 95485 655 40 275 22 35A All values are minimums, except where a range is provided.B Determine by either 0.2 % offset method or 0.5 % extension-under-load method.C When ICI test bars are used in tensile testing as provided for in Specificat
36、ionA703/A703M, the gage length to reduced section diameter ratio shall be 4 to 1.A216/A216M 18311. Keywords11.1 carbon steel; high temperature; pressure-containing parts; steel castingsSUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall not apply unless specified in the purchase
37、 order.Lists of standardized supplementary requirements for use at the option of the purchaser are includedin Specifications A703/A703M and A985/A985M. Those which are ordinarily considered suitable foruse with this specification are given below. Others enumerated in Specifications A703/A703M andA98
38、5/A985M may be used with this specification upon agreement between the manufacturer andpurchaser.S1. Unspecified ElementsS2. Destruction TestsS3. Bend TestS4. Magnetic Particle InspectionS5. Radiographic InspectionS10. Examination of Weld PreparationS15. Quench and Temper Heat TreatmentS50. Carbon E
39、quivalentS11.1 WhenS50.1 When specified onin the order, the maximum carbon equivalent shall be:Grade Carbon Equivalent, maxWCA 0.50WCB 0.50WCC 0.55S11.2 CarbonS50.2 Carbon equivalent (CE) shall be determined as follows:CE5C1 Mn6 1Cr1Mo1V5 1Ni1Cu15S15. Quench and Temper Heat-TreatmentS51. Requirement
40、s for Carbon Steel Castings for Hydrofluoric Acid Alkylation ServiceS16.1 TheS51.1 The maximum carbon equivalent shall be as follows:CE maximumMaximum specified section thickness less than or equal to 1 in. 25 mm 0.43Maximum specified section thickness greater than 1 in. 25 mm 0.45S16.2 DetermineS51
41、.2 Determine the carbon equivalent (CE) as follows:A216/A216M 184CE5C1Mn6 1Cr1Mo1V!5 1Ni1Cu!15S16.3 VanadiumS51.3 Vanadium and niobium maximum content based upon heat analysis shall be:NOTE 1Niobium = columbiumMaximum vanadium 0.02 wt %Maximum niobium 0.02 wt %Maximum vanadium plus niobium 0.03 wt %
42、S16.4 TheS51.4 The sum of the nickel and copper contents, based upon heat analysis, shall not exceed 0.15 wt %.S16.5 TheS51.5 The minimum carbon content shall be 0.18 wt %. The maximum carbon content shall be as required for theappropriate grade.S16.6 WeldingS51.6 Welding consumables for repair weld
43、s shall be of the low-hydrogen type. E60XX electrodes shall not beused and the resulting weld chemistry shall meet the same chemistry requirements as the base metal.S16.7 InS51.7 In addition to the requirements for product marking in the specification, an “HF-N” stamp or marking shall beprovided on
44、each casting to identify that the casting complies with this supplementary requirement.S52. Lower Sulfur MaximumS52.1 When specified in the order, the maximum sulfur content of Grade WCA, or Grade WCB, or Grade WCC shall not exceed0.030.SUMMARY OF CHANGESCommittee A01 has identified the location of
45、selected changes to this standard since the last issue(A216/A216M 14A216/A216M 161) that may impact the use of this standard. (Approved Jul. 1, 2018March1, 2016.).)(1) Deleted S16.1 and renumberedUpdated formatting of Tables 1 and 2 the subsequent paragraphs.to be more consistent with otherA01.18 ma
46、terial specifications.(2) Renumbered S11 to S50 and S16 to S51, as these supplementary requirements are specific to this product specification and donot match S11 and S16 in the general specifications referenced (A703/A703M and A985/A985M).ASTM International takes no position respecting the validity
47、 of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject
48、to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters.
49、 Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained b
