1、Designation: A216/A216M 08 A216/A216M 12 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 Service1Thi
2、s 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 () indicate
3、s an editorial 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 specification2 covers carbon steel castings for valves, flanges, fittings, or other pressure-containing parts forhigh-temperature service and
4、 of quality suitable for assembly with other castings or wrought-steel parts by fusion welding.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 characteristics.1.3 The valu
5、es 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 in non-conformance with the stand
6、ard.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 PartsA985/A985M Specification for Steel Investment Castings General Req
7、uirements, for Pressure-Containing PartsE165 Practice for Liquid Penetrant Examination for General IndustryE709 Guide for Magnetic Particle Testing2.2 Manufacturers Standardization Society of the Valve and Fittings Industry Standard:4SP 55 Steel Castings for Valve, Flanges, and Fittings, and Other C
8、omponents (Visual Method)3. 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 w
9、ith thegeneral requirements 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 s
10、hall conform to the requirements 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 t
11、he requirements ofthis specification and Specification A985/A985M, Specification A985/A985M shall prevail.4. 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 tolerances shall be include
12、d 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.*A Summary of Changes section appears at the end
13、of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States15. Heat Treatment5.1 All castings shall receive a heat treatment proper to their design and chemical composition.5.2 Castings shall be furnished in the annealed, or norma
14、lized, or normalized and tempered condition unless SupplementaryRequirement S15 is specified.5.3 Heat treatment shall be performed after castings have been allowed to cool below the transformation range.6. Temperature Control6.1 Furnace temperatures for heat treating shall be effectively controlled
15、by pyrometer.7. 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 castings shall be in accordance with the requirements as to tensile properties prescribed in Table 2.1 This sp
16、ecification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.18on Castings.Current edition approved Nov. 1, 2008Nov. 1, 2012. Published December 2008November 2012. Originally approved in 1939. Last previ
17、ous edition approved in 20072008as A216/A216M 07.A216/A216M 08. DOI: 10.1520/A0216_A0216M-08.10.1520/A0216_A0216M-12.2 For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-216/SA-216M in Section II of that code.3 For referenced ASTM standards, visit the ASTM website, w
18、ww.astm.org, or contact ASTM 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 Standardization Society of the Valve and Fittings Industry (MSS), 127 Park St., NE, V
19、ienna, VA 22180-4602, http:/www.mss-.TABLE 1 Chemical RequirementsNOTE 1All values are maximums.Element Composition, %GradeWCAUNS J02502GradeWCBUNS J03002GradeWCCUNS J02503Carbon, max 0.25A 0.30B 0.25CCarbon 0.25A 0.30B 0.25CManganese, max 0.70A 1.00B 1.20CManganese 0.70A 1.00B 1.20CPhosphorus, max
20、0.04 0.04 0.04Phosphorus 0.035 0.035 0.035Sulfur, max 0.045 0.045 0.045Sulfur 0.035 0.035 0.035Silicon, max 0.60 0.60 0.60Silicon 0.60 0.60 0.60Specified residual elements:Copper, max 0.30 0.30 0.30Copper 0.30 0.30 0.30Nickel, max 0.50 0.50 0.50Nickel 0.50 0.50 0.50Chromium, max 0.50 0.50 0.50Chromi
21、um 0.50 0.50 0.50Molybdenum, max 0.20 0.20 0.20Vanadium, max 0.03 0.03 0.03Vanadium 0.03 0.03 0.03Total of these specified residualelements, maxD1.00 1.00 1.00Total of these specified residualelementsD1.00 1.00 1.00A For each reduction of 0.01 % below the specified maximum carbon content, anincrease
22、 of 0.04 % manganese above the specified maximum will be permitted upto a maximum of 1.10 %.B For each reduction of 0.01 % below the specified maximum carbon content, anincrease of 0.04 % Mn above the specified maximum will be permitted up to amaximum of 1.28 %.C For each reduction of 0.01 % below t
23、he specified maximum carbon content, anincrease of 0.04 % manganese above the specified maximum will be permitted toa maximum of 1.40 %.D Not applicable when Supplementary Requirement S11 is specified.A216/A216M 1229. Quality9.1 The surface of the casting shall be examined visually and shall be free
24、 of adhering sand, scale, cracks, and hot tears. Othersurface discontinuities shall meet the visual acceptance standards specified in the order. Visual Method SP-55 or other visualstandards may be used to define acceptable surface discontinuities and finish. Unacceptable visual surface discontinuiti
25、es shall beremoved and their removal verified by visual examination of the resultant cavities.9.2 When additional inspection 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 Rep
26、airs shall be made using procedures and welders qualified under Practice A488/A488M.10.2 Weld repairs shall be inspected 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 magn
27、etic particle examination to thesame standards that are used to inspect the castings. When castings are produced with Supplementary 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 excee
28、ds 20 % of the wall thickness or 1 in. 25 mm, whichever is smaller, or on castings in which any cavity preparedfor welding 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 exce
29、eds 20 % of the wall thickness or 1 in. 25 mm, whichever is smaller, or thatexceeds approximately 10 in.2 65 cm2 in area, 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
30、 with the procedure qualification used.11. Keywords11.1 carbon steel; high temperature; pressure-containing parts; steel castingsSUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall not apply unless specified in the purchase order.Lists of standardized supplementary requirements
31、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 andA985/A985M may be used with this specification upon agreeme
32、nt between the manufacturer andpurchaser.TABLE 2 Tensile RequirementsGradeWCAGradeWCBGradeWCCTensile strength, ksiMPa60 to 85415 to 58570 to 95485 to 65570 to 95485 to 655Yield strength,A min,ksi MPa30 205 36 250 40 275Elongation in 2 in.50 mm, min, %B24 22 22Reduction of area,min, %35 35 35A Determ
33、ine by either 0.2 % offset method or 0.5 % extension-under-load method.B When ICI test bars are used in tensile testing as provided for in SpecificationA703/A703M, the gage length to reduced section diameter ratio shall be 4 to 1.A216/A216M 123S1. Unspecified ElementsS2. Destruction TestsS3. Bend Te
34、stS4. Magnetic Particle InspectionS5. Radiographic InspectionS10. Examination of Weld PreparationS10.1 The method of performing the magnetic particle or liquid penetrant test shall be in accordance with Guide E709 or TestMethod E165.S11. Carbon EquivalentS11.1 When specified on the order, the maximu
35、m carbon equivalent shall be:Grade Carbon Equivalent, maxWCA 0.50WCB 0.50WCC 0.55S11.2 Carbon equivalent (CE) shall be determined as follows:CE5C1 Mn6 1Cr1Mo1V5 1Ni1Cu15S15. Quench and Temper Heat-TreatmentS16. Requirements for Carbon Steel Castings for Hydrofluoric Acid Alkylation ServiceS16.1 Cast
36、ings shall be provided in the normalized or normalized and tempered heat-treated condition.S16.2 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.
37、3 Determine the carbon equivalent (CE) as follows:CE5C1Mn6 1Cr1Mo1V!5 1Ni1Cu!15S16.4 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 %S16.5 The sum of the nickel a
38、nd copper contents, based upon heat analysis, shall not exceed 0.15 wt %.S16.6 The minimum carbon content shall be 0.18 wt %. The maximum carbon content shall be as required for the appropriategrade.S16.7 Welding consumables for repair welds shall be of the low-hydrogen type. E60XX electrodes shall
39、not be used and theresulting weld chemistry shall meet the same chemistry requirements as the base metal.S16.8 In addition to the requirements for product marking in the specification, an “HF-N” stamp or marking shall be providedon each casting to identify that the casting complies with this supplem
40、entary requirement.A216/A216M 124SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue(A216/A216M 07A216/A216M 08) that may impact the use of this standard. (Approved Nov. 1, 2008Nov.1, 2012.)(1) Revised introductoryTable 1 paragraph of
41、 list of Supplementary Requirements to reference Specificationto reduce sulfurA985/A985M for investment castings ordered to this specification.and phosphorous maximums of grades WCA, WCB, and WCC.(2) Deleted S10.1.Committee A01 has identified the location of selected changes to this standard since t
42、he last issue(A216/A216M - 04) that may impact the use of this standard. (Approved May 1, 2007.)(1) Revised Supplementary Requirement S16.1 to permit the normalized and tempered condition.A216/A216M 125ASTM International takes no position respecting the validity of any patent rights asserted in conn
43、ection 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 respons
44、ible 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. Your comments will receive careful c
45、onsideration 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, 10
46、0 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). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).A216/A216M 126
