1、Ths intermational standard developed n ctablished in the Decisiom o Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.Designation:A488/A488M-17NTERNATIONALStandard Practice forSteel Cas
2、tings,Welding,Qualifications of Procedures andPersonnel1This standard is issued under the fixed designation A488/A488M: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 ye
3、ar of last reapprovalA superscript epsilon()indicates 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.Scopepriate safety and health practices and determine the applica-1.1 This practice covers the qualif
4、ication of procedures,bility of regulatory limitations prior to use.welders,and operators for the fabrication and repair of steel1.6 This international standard was developed in accor-castings by electric arc welding.dance with internationally recognized principles on standard-1.1.1 Qualifications o
5、f a procedure and either or both theization established in the Decision on Principles for theoperator or welder under Section IX of the ASME Boiler andDevelopment of International Standards,Guides and Recom-Pressure Vessel Code shall automatically qualify the proceduremendations issued by the World
6、Trade Organization Technicaland either or both the operator or welder under this practice.Barriers to Trade(TBT)Committee.P-number designations in the ASME grouping of base metalsfor qualification may be different than the category numbers2.Referenced Documentslisted in Table 1.Refer to Appendix XI
7、for a comparison ofASTM category numbers with the corresponding ASME2.1 ASTM Standards:2P-Number designations.A27/A27M Specification for Steel Castings,Carbon,forGeneral Application1.2 Each manufacturer or contractor is responsible for theA128/A128M Specification for Steel Castings,Austeniticwelding
8、 done by his organization and shall conduct the testsManganeserequired to qualify his welding procedures,welders,andA148/A148M Specification for Steel Castings,Highoperators.Strength,for Structural Purposes1.3 Each manufacturer or contractor shall maintain a recordA216/A216M Specification for Steel
9、Castings,Carbon,Suit-of welding procedure qualification tests(Fig.1),welder orable for Fusion Welding,for High-Temperature Serviceoperator performance qualification tests(Fig.2),and weldingA217/A217M Specification for Steel Castings,Martensiticprocedure specification(Fig.3),which shall be made avail
10、ableStainless and Alloy,for Pressure-Containing Parts,Suit-to the purchasers representative on request.able for High-Temperature Service1.4 The values stated in either SI units or inch-pound unitsA297/A297M Specification for Steel Castings,Iron-are to be regarded separately as standard.The values st
11、ated inChromium and Iron-Chromium-Nickel,Heat Resistant,each system may not be exact equivalents;therefore,eachfor General Applicationsystem shall be used independently of the other.CombiningA351/A351M Specification for Castings,Austenitic,forPressure-Containing Partsvalues from the two systems may
12、result in nonconformancewith the standard.A352/A352M Specification for Steel Castings,Ferritic and1.4.1 SI Units-Within the text,the SI units are shown inMartensitic,for Pressure-Containing Parts,Suitable forbrackets.Low-Temperature ServiceA356/A356M Specification for Steel Castings,Carbon,Low1.5 Th
13、is standard does not purport to address all of theAlloy,and Stainless Steel,Heavy-Walled for Steam Tur-safety concerns,if any,associated with its use.It is thebinesresponsibility of the user of this standard to establish appro-A370 Test Methods and Definitions for Mechanical Testingof Steel Products
14、This practice is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.18 on Castings2 For referenced ASTM standards,visit the ASTM website,www.astm.org.orCurrent edition approved May 1.2017.Published May 2017.Ori
15、ginallycontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMapproved in 1963.Last previous edition approved in 2016 as A488/A488M-16.Standards volume information,refer to the standards Document Summary page onDOL:10.1520/A0488_A0488M-17.the ASTM website.*A Summary of Changes secti
16、on appears at the end of this standardCopyright ASTM Intemational,100 Barr Harbor Drive,PO Box C700.West Conshohocken.PA 19428-2959.United StatesDownload From http:/Download From http:/A488/A488M-17TABLE 1 ContinuedCategoryASTMMaterial DescriptionGradesNumberSpecificationA743/A743MCA-15,CA-15M,CA6NM
17、,CA-40.CA6N,CB6A757/A757ME3N9Low-carbon austenitic stainlessA351/A351MCF-3,CF-3A,CF-3M.CF-3MA,CF-3MN.steel(carbon equal to or less thanCK-3MCUN,CG3M,CN3MN0.03%)A743/A743MCF-3,CF-3M.CF-3MN,CK-3MCUN,CN-3M.CG3M.CN3MNA744/A744MCF-3,CF-3M,CK-3MCUN,CG3M,CN3MNoUnstabilized austenitic stainlessA351/A351MCF-
18、8,CF-8A,CF-8M,CF-10.CF-10M.CG-8M.steel(carbon greater than 0.03%)CH-8,CH-10,CH-20.CG6MMN,CF10SMNN.CE20NA447/A447MType IA743/A743MCF-8,CG-12.CF-20.CF-8M.CF-16F.CF10SMNN,CH-20,CG-8M,CE-30,CG6MMN,CH10,CF16FaA744/A744MCF-8,CF-8M,CG-8M11Stabilized austenitic stainless steelA297/A297MHG10MNMA351/A351MCF-8
19、C,CF-10MC.CK-20.HK-30.HK-40,HT-30.CN-7M.CT-15CA447/A447MType IlA43/A743CF-8C,CN-7M,CN-7MS,CK-20A744/A744MCF-8C,CN-7M,CN-7MSDuplex(austenitic-ferritic)stainlessA872A872MJ93183,J93550steelA890/A890M1A,1B.2A,3A,4A,5A,6AA995/A995M1B.2A.3A.4A,5A.6APrecipitation-hardened austeniticA747/A747MCB7CU-1,CB7CU-
20、2stainless steelNickel-base alloysA494/A494MCW-12MW,CY-40 Class 1,CY-40 Class 2,CZ-100,M-35-1,M-35-2.M-30C,N-12MV,N-7MCW-6M,CW-2M,CW-6MC.CX-2MW.CU5MCUCA990/A990MCW2MSteel Castings,Austenitic MangaA128/A128MA,B-1,B-2,B-3,B-4,C,D,E-1,E-2,FneseA389/A389M Specification for Steel Castings,Alloy,Spe-A747/
21、A747M Specification for Steel Castings,Stainless,cially Heat-Treated,for Pressure-Containing Parts,Suit-Precipitation Hardeningable for High-Temperature ServiceA757/A757M Specification for Steel Castings,Ferritic andA447/A447M Specification for Steel Castings,Chromium-Martensitic,for Pressure-Contai
22、ning and OtherNickel-Iron Alloy(25-12 Class),for High-TemperatureApplications,for Low-Temperature ServiceServiceA872/A872M Specification for Centrifugally Cast Ferritic/A487/A487M Specification for Steel Castings Suitable forAustenitic Stainless Steel Pipe for Corrosive Environ-Pressure Servicements
23、A494/A494M Specification for Castings,Nickel and NickelA890/A890M Specification for Castings,Iron-Chromium-AlloyNickel-Molybdenum Corrosion-Resistant,DuplexA732/A732M Specification for Castings,Investment,Car-(Austenitic/Ferritic)for General Applicationbon and Low Alloy Steel for General Application
24、,andA958/A958M Specification for Steel Castings,Carbon andCobalt Alloy for High Strength at Elevated TemperaturesAlloy,with Tensile Requirements,Chemical Require-A743/A743M Specification for Castings,Iron-Chromium,ments Similar to Standard Wrought GradesIron-Chromium-Nickel.Corrosion Resistant,for G
25、eneralA990/A990M Specification for Castings,Iron-Nickel-ApplicationChromium and Nickel Alloys,Specially Controlled forA744/A744M Specification for Castings,Iron-Chromium-Pressure Retaining Parts for Corrosive ServiceNickel,Corrosion Resistant,for Severe ServiceA995/A995M Specification for Castings,A
26、ustenitic-FerriticDownload From http:/Download From http:/4A488/A488M-17RECOMMENDED FORM FOR MANUFACTURERS RECORD OF WELDING PROCEDURE QUALIFICATION TESTSProcedure No.Date:Welding Process:Material Specification:to_of category No.to category No.Plate Thickness:_Thickness Range QualifiedFiller Metal F
27、 Group No._Weld Deposit A-Group No.:Flux Designation:Gas Composition:Gas Flow Rate:Backing Strip,if any:Preheat Temperature Range:Single or Multiple Pass:Position of Groove:Filler Wire Diameter:Trade Name:Type of Backing:Forehand or Backhand:Amps:VoltsInches/min:Postheat TemperatureTime at Temperatu
28、reTENSION TEST RESULTSUltimate TotalSpecimen No.WidthDimensions ThicknessAreaUltimate UnitNature of FailureLoad,IbStress,psiand LocationGUIDED BEND TEST RESULTSSpecimen No.ResultsSpecimen No.ResultsWelders Name:Clock No.Stamp.No.Who by virtue of these tests meets the welder performance qualification.Test Conducted By:.Test No.perWe certify that the statements in this record are correct and that the test welds were prepared,welded,and tested in accordancewith the requirements of ASTM StandardSigned:.Manufacturer or ContractorDate:FIG.1 Report Form 1Download From http:/