1、Designation:A727/A727M14Standard Specification forCarbon Steel Forgings for Piping Components with InherentNotch Toughness1This standard is issued under the fixed designation A727/A727M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision
2、,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification2covers forged carbon steel pipingcomponents intended primarily for service in pressure pi
3、pingsystems from 20 to+650 F 30 to+345 C where inherentnotch toughness is desired,but where notch toughness testingis not required.Included are forged or ring-rolled flanges,forged fittings,and valves made to specified dimensions,or todimensional standards such as the ASME and API specifica-tions re
4、ferenced in Section 2.1.2 This specification is limited to forgings with maximumfinished section thicknesses no larger than 2 in.51 mm.1.3 It shall be the responsibility of the purchaser to deter-mine whether material meeting the requirements of this speci-fication is satisfactory for the service ap
5、plication.1.4 Supplementary requirements are provided for use whenadditional testing or inspection is desired.These shall applyonly when specified by the purchaser in the order.NOTE1There are no provisions for impact testing in this specifica-tion.When impact testing is required,refer to Specificati
6、on A350/A350M.1.5 This specification is expressed in both inch-pound unitsand in SI units.However,unless the order specifies theapplicable“M”specification designation(SI units),the mate-rial shall be furnished to inch-pound units.1.6 The values stated in either SI units or inch-pound unitsare to be
7、regarded separately as standard.Within the text,theSI units are shown in brackets.The values stated in eachsystem may not be exact equivalents;therefore,each systemshall be used independently of the other.Combining valuesfrom the two systems may result in non-conformance with thestandard.2.Reference
8、d Documents2.1 In addition to those reference documents listed inSpecification A961/A961M,the following list of standardsapply to this specification.2.2 ASTM Standards:3A350/A350M Specification for Carbon and Low-Alloy SteelForgings,Requiring Notch Toughness Testing for PipingComponentsA788/A788M Sp
9、ecification for Steel Forgings,General Re-quirementsA961/A961M Specification for Common Requirements forSteel Flanges,Forged Fittings,Valves,and Parts forPiping ApplicationsE59 Practice for Sampling Steel and Iron for Determinationof Chemical Composition(Withdrawn 1996)42.3 ASME Boiler and Pressure
10、Vessel Codes:5Section II,Material Specifications,Part CSFA 5.5 Low-Alloy Steel Covered Arc-Welding ElectrodesB 16.5 Steel Pipe Flanges and Flanged FittingsB 16.10 Face-to-Face and End-to-End Dimensions of Fer-rous ValvesB 16.11 Forged Steel Fittings,Socket-Welding and ThreadedB 16.30 Unfired Pressur
11、e Vessel Flange Dimensions1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.22 on Steel Forgings and Wrought Fittings for Piping Applications and BoltingMaterials for Piping and Special
12、Purpose Applications.Current edition approved Oct.1,2014.Published October 2014.Originallyapproved in 1976.Last previous edition approved in 2013 as A727/A727M13.DOI:10.1520/A0727_A0727M-14.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-727 in Section II of that
13、 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 standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is re
14、ferenced onwww.astm.org.5Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5990,http:/www.asme.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C70
15、0,West Conshohocken,PA 19428-2959.United States1Copyright by ASTM Intl(all rights reserved);2.4 API Standards:6600 Steel Gate Valves with Flanged or Butt-Welding Ends602 Compact Design Carbon Steel Gate Valves for RefineryUse605 Large Diameter Carbon Steel Flanges2.5 MSS Standard:7MSS SP-25 Standard
16、 Marking System for Valves,Fittings,Flanges,and Unions3.General Requirements and Ordering Information3.1 Product furnished to this specification shall conform tothe requirements of Specification A961/A961M,including anysupplementary requirements that are indicated in the purchaseorder.Failure to comply with the requirements of SpecificationA961/A961M constitutes nonconformance with this specifica-tion.In case of a conflict between the requirements of thisspecification and Specification A961/A961
