ASTM A216 A216M-2007 Standard Specification for Steel Castings Carbon Suitable for Fusion Welding for High-Temperature Service.pdf

1、Designation: A 216/A 216M 07Endorsed 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 A 216/A 216M; 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 (e) indicates an edito

3、rial change since the last revision or reapproval.This standard has been approved for use by agencies of the 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 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 mustbe used independently of the other. Combining values from thetwo systems may result

6、in nonconformance with the specifi-cation.2. Referenced Documents2.1 ASTM Standards:3A 488/A 488M Practice for Steel Castings, Welding, Quali-fications of Procedures and PersonnelA 703/A 703M Specification for Steel Castings, GeneralRequirements, for Pressure-Containing PartsA 985/A 985M Specificati

7、on for Steel Investment CastingsGeneral Requirements, for Pressure-Containing PartsE 165 Test Method for Liquid Penetrant ExaminationE 709 Guide for Magnetic Particle Examination2.2 Manufacturers Standardization Society of the Valveand Fittings Industry Standard:4SP 55 Steel Castings for Valve, Flan

8、ges, and Fittings, andOther Components (Visual Method)3. General Conditions for Delivery3.1 Except for investment castings, castings furnished tothis specification shall conform to the requirements of Speci-fication A 703/A 703M, including any supplementary require-ments that are indicated in the pu

9、rchase order. Failure tocomply with the general requirements of Specification A 703/A 703M constitutes nonconformance with this specification. Incase of conflict between the requirements of this specificationand Specification A 703/A 703M, this specification shall pre-vail.3.2 Steel investment casti

10、ngs furnished to this specificationshall conform to the requirements of Specification A 985/A 985M, including any supplementary requirements that areindicated in the purchase order. Failure to comply with thegeneral requirements of Specification A 985/A 985M consti-tutes nonconformance with this spe

11、cification. In case of con-flict between the requirements of this specification and Speci-fication A 985/A 985M, Specification A 985/A 985M shallprevail.4. Ordering Information4.1 The inquiry and order should include or indicate thefollowing:4.1.1 A description of the casting by pattern number ordra

12、wing (dimensional tolerances shall be included on thecasting drawing),4.1.2 Grade of steel,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. Hea

13、t Treatment5.1 All castings shall receive a heat treatment proper to theirdesign and chemical composition.5.2 Castings shall be furnished in the annealed, or normal-ized, or normalized and tempered condition unless Supplemen-tary Requirement S15 is specified.1This specification is under the jurisdic

14、tion of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.18 on Castings.Current edition approved May 1, 2007. Published May 2007. Originallyapproved in 1939. Last previous edition approved in 2004 as A 216/A 216M 04.2For ASME Boiler a

15、nd Pressure 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 stand

16、ards Document 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-.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Ba

17、rr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.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.

18、 Chemical Composition7.1 The steel shall be in accordance with the requirementsas to chemical composition prescribed in Table 1.8. Tensile Requirements8.1 Steel used for the castings shall be in accordance withthe requirements as to tensile properties prescribed in Table 2.9. Quality9.1 The surface

19、of the casting shall be examined visuallyand shall be free of adhering sand, scale, cracks, and hot tears.Other surface discontinuities shall meet the visual acceptancestandards specified in the order. Visual Method SP-55 or othervisual standards may be used to define acceptable surfacediscontinuiti

20、es and finish. Unacceptable visual surface discon-tinuities shall be removed and their removal verified by visualexamination of the resultant cavities.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

21、 impreg-nated to stop leaks.10. Repair by Welding10.1 Repairs shall be made using procedures and weldersqualified under Practice A 488/A 488M.10.2 Weld repairs shall be inspected to the same qualitystandards that are used to inspect the castings. When castingsare produced with Supplementary Requirem

22、ent S4 specified,weld repairs shall be inspected by magnetic particle examina-tion to the same standards that are used to inspect the castings.When castings are produced with Supplementary RequirementS5 specified, weld repairs on castings that have leaked onhydrostatic test, or on castings in which

23、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 cavity prepared for welding is greater than approximately10 in.265 cm2, shall be radiographed to the same standardsthat are used to inspect the castin

24、gs.10.3 Castings containing any repair weld that exceeds 20 %of the wall thickness or 1 in. 25 mm, whichever is smaller, orthat exceeds approximately 10 in.265 cm2 in area, or that wasmade to correct hydrostatic test defects, shall be stress relievedor heat treated after welding. This mandatory stre

25、ss relief orheat treatment shall be in accordance with the procedurequalification used.11. Keywords11.1 carbon steel; high temperature; pressure-containingparts; steel castingsTABLE 1 Chemical RequirementsElement Composition, %GradeWCAUNS J02502GradeWCBUNS J03002GradeWCCUNS J02503Carbon, max 0.25A0.

26、30B0.25CManganese, max 0.70A1.00B1.20CPhosphorus, max 0.04 0.04 0.04Sulfur, max 0.045 0.045 0.045Silicon, max 0.60 0.60 0.60Specified residual elements:Copper, max 0.30 0.30 0.30Nickel, max 0.50 0.50 0.50Chromium, max 0.50 0.50 0.50Molybdenum, max 0.20 0.20 0.20Vanadium, max 0.03 0.03 0.03Total of t

27、hese specified residualelements, maxD1.00 1.00 1.00AFor each reduction of 0.01 % below the specified maximum carbon content, anincrease of 0.04 % manganese above the specified maximum will be permitted upto a maximum of 1.10 %.BFor each reduction of 0.01 % below the specified maximum carbon content,

28、 anincrease of 0.04 % Mn above the specified maximum will be permitted up to amaximum of 1.28 %.CFor each reduction of 0.01 % below the specified maximum carbon content, anincrease of 0.04 % manganese above the specified maximum will be permitted toa maximum of 1.40 %.DNot applicable when Supplement

29、ary Requirement S11 is specified.TABLE 2 Tensile RequirementsGradeWCAGradeWCBGradeWCCTensile strength, ksiMPa60 to 85415 to 58570 to 95485 to 65570 to 95485 to 655Yield strength,Amin,ksi MPa30 205 36 250 40 275Elongation in 2 in.50 mm, min, %B24 22 22Reduction of area,min, %35 35 35ADetermine by eit

30、her 0.2 % offset method or 0.5 % extension-under-loadmethod.BWhen ICI test bars are used in tensile testing as provided for in SpecificationA 703/A 703M, the gage length to reduced section diameter ratio shall be 4 to 1.A 216/A 216M 072SUPPLEMENTARY REQUIREMENTSThe following supplementary requiremen

31、ts shall not apply unless specified in the purchase order. Alist of standardized supplementary requirements for use at the option of the purchaser is included inSpecification A 703/A 703M. Those which are ordinarily considered suitable for use with thisspecification are given below. Others enumerate

32、d in Specification A 703/A 703M may be used withthis specification upon agreement between the manufacturer and purchaser.S1. Unspecified ElementsS2. Destruction TestsS3. Bend TestS4. Magnetic Particle InspectionS5. Radiographic InspectionS10. Examination of Weld PreparationS10.1 The method of perfor

33、ming the magnetic particle orliquid penetrant test shall be in accordance with Guide E 709 orTest Method E 165.S11. Carbon EquivalentS11.1 When specified on the order, the maximum carbonequivalent shall be:Grade Carbon Equivalent, maxWCA 0.50WCB 0.50WCC 0.55S11.2 Carbon equivalent (CE) shall be dete

34、rmined as fol-lows:CE 5 C 1Mn61Cr 1 Mo 1 V51Ni 1 Cu15S15. Quench and Temper Heat-TreatmentS16. Requirements for Carbon Steel Castings forHydrofluoric Acid Alkylation ServiceS16.1 Castings shall be provided in the normalized ornormalized and tempered heat-treated condition.S16.2 The maximum carbon eq

35、uivalent shall be as follows:CE maximumMaximum specified section thickness less than or equal to 1 in. 25mm0.43Maximum specified section thickness greater than 1 in. 25 mm 0.45S16.3 Determine the carbon equivalent (CE) as follows:CE 5 C 1Mn61Cr 1 Mo 1 V!51Ni 1 Cu!15S16.4 Vanadium and niobium maximum

36、 content based uponheat analysis shall be:NOTE 1Niobium = columbiumMaximum vanadium 0.02 wt %Maximum niobium 0.02 wt %Maximum vanadium plus niobium 0.03 wt %S16.5 The sum of the nickel and copper contents, basedupon heat analysis, shall not exceed 0.15 wt %.S16.6 The minimum carbon content shall be

37、0.18 wt %. Themaximum carbon content shall be as required for the appro-priate grade.S16.7 Welding consumables for repair welds shall be of thelow-hydrogen type. E60XX electrodes shall not be used andthe resulting weld chemistry shall meet the same chemistryrequirements as the base metal.S16.8 In ad

38、dition to the requirements for product marking inthe specification, an “HF-N” stamp or marking shall beprovided on each casting to identify that the casting complieswith this supplementary requirement.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard si

39、nce the last issue(A 216/A 216M - 04) that may impact the use of this standard. (Approved May 1, 2007.)(1) Revised Supplementary Requirement S16.1 to permit thenormalized and tempered condition.A 216/A 216M 073ASTM International takes no position respecting the validity of any patent rights asserted

40、 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 to revision at any time by the

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42、areful 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 Internati

43、onal, 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 by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).A 216/A 216M 074