1、Designation:A33884(Reapproved 2014)Standard Specification forMalleable Iron Flanges,Pipe Fittings,and Valve Parts forRailroad,Marine,and Other Heavy Duty Service atTemperatures Up to 650F(345C)1This standard is issued under the fixed designation A338;the number immediately following the designation
2、indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers malleable iron flan
3、ges,pipefittings,and valve parts,including parts to be assembled for usein railroad,marine,and other heavy duty service applicationswhere fittings furnished in accordance with American NationalStandard for Malleable Iron Threaded Fittings,Class 150 and300(ANSI B16.3)are not considered adequate.1.2 S
4、ervice shall include up to 650F(345C).21.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:3A47/A
5、47M Specification for Ferritic Malleable Iron Cast-ingsA153/A153M Specification for Zinc Coating(Hot-Dip)onIron and Steel Hardware2.2 American National Standards:4B 2.1 Pipe ThreadsB 16.3 Malleable Iron Threaded Fittings,Class 150 and 3002.3 Other Standards:Hand Book H28,Section VI,Screw-Thread Stan
6、dards forFederal Services,19445SP-25-1936 Standard Marking System for Valves,Fittings,Flanges,and Unions63.Process3.1 The castings shall be made in accordance with Specifi-cation A47/A47M.4.Materials and Manufacture4.1 The sizes,shapes,and dimensions of the fittings,cov-ered by ANSI B16.3 shall conf
7、orm to the requirements thereinspecified.4.2 Screwed pipe fittings,unions,union fittings,and globeand angle valves that are covered by the various standards andrecommended practices as issued by the Association of Ameri-can Railroads shall conform to the requirements therein speci-fied.4.3 All pipe
8、threads,unless otherwise specified,shall be inaccordance with ANSI B2.1.(Standards for pipe threads arealso available in Section VI of Screw-Thread Standards forFederal Services.)4.4 Zinc coatings on fittings which are required to begalvanized by the hot-dip process shall conform to the require-ment
9、s for Class A castings as prescribed in SpecificationA153/A153M,except on surfaces where it is the practice tomachine after galvanizing.5.Manufacture Control and Records5.1 The iron shall be produced under constant control ofchemical composition and physical properties.Records of thechemical composi
10、tion of the iron and of the physical propertiesof the test specimens shall be systematically made and main-tained.6.Tests6.1 Tests shall be made when required by the specificationslisted herein.1This specification is under the jurisdiction of ASTM Committee A04 on IronCastings and is the direct resp
11、onsibility of Subcommittee A04.02 on Malleable andDuctile Iron Castings.Current edition approved April 1,2014.Published April 2014.Originallyapproved in 1954.Last previous edition approved in 2009 as A338 84(2009).DOI:10.1520/A0338-84R14.2Based on Marshall,L.C.,and Sommer,G.F.,“Stress Rupture Proper
12、ties ofMalleable Iron at Elevated Temperatures,”Proceedings,ASTM International,Vol58,1958,p.733.3For 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 Su
13、mmary page onthe ASTM website.4Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.5Available from National Institute of Standards and Technology(NIST),100Bureau Dr.,Stop 1070,Gaithersburg,MD 20899-1070,http:/www.nist.gov.6Available
14、 from Manufacturers Standardization Society of the Valve and FittingsIndustry(MSS),127 Park St.,NE,Vienna,VA22180-4602,http:/www.mss-hq.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.Certification7.1 The manufacturer shall be prepa
15、red to certify,uponrequest of the purchaser,that his product conforms to therequirements of this specification.8.Product Marking8.1 The castings shall be marked with the manufacturersname or trademark.8.2 Malleable iron products conforming to the standards ofthe Manufacturers Standardization Society
16、 of the Valve andFittings Industry shall be marked in accordance with SP-25-1936 of that Society.Malleable iron products furnished inaccordance with the standards issued by the American Stan-dards Association or by the Association of American Railroadsshall be marked as specified in the respective standards.9.Keywords9.1 flanges;heavy duty service;malleable iron;marineservice;pipe fittings;railroad service;valve partsASTM International takes no position respecting the validity of any patent righ
