1、Designation:B57418Standard Specification forLow-Carbon Nickel-Chromium-Molybdenum,Low-CarbonNickel-Molybdenum-Chromium,Low-Carbon Nickel-Molybdenum-Chromium-Tantalum,Low-Carbon Nickel-Chromium-Molybdenum-Copper,and Low-Carbon Nickel-Chromium-Molybdenum-Tungsten Alloy Rod1This standard is issued unde
2、r the fixed designation B574;the number immediately following the designation 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 r
3、evision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification2covers rod of low-carbon nickel-chromium-molybdenum alloys(UNS N10276,N06022,N06035,N06044,N06455,N06058,and N06059),low-carbonnickel-molybdenum-chromium(USN N103
4、62),low-carbonnickel-molybdenum-chromium-tantalum(UNS N06210),low-carbon nickel-chromium-molybdenum-copper alloy(UNSN06200),and low-carbon nickel-chromium-molybdenum-tungsten(UNS N06686)as shown in Table 1,for use in generalcorrosive service.1.2 The following products are covered under this specifi-
5、cation:1.2.1 Rods516to34in.(7.94 to 19.05 mm),exclusive,indiameter,hot or cold finished,solution annealed and pickled,ormechanically descaled.1.2.2 Rods34to 312in.(19.05 to 88.9 mm),inclusive,indiameter,hot or cold finished,solution annealed,ground orturned.1.2.3 Rods14to 312in.(6.35 to 88.9 mm),inc
6、lusive,indiameter,solution annealed,cold finished,as cold finished,ground or turned(N06059 and N06686 only,see Table 2 andTable 3).1.3 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 inf
7、ormation onlyand are not considered standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to become familiarwith all hazards including those identified in the appropriateSafety Data Sheet(S
8、DS)for this product/material as providedby the manufacturer,to establish appropriate safety,health,and environmental practices,and determine the applicabilityof regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles
9、 on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3B880 Specification for General Requiremen
10、ts for ChemicalCheck Analysis Limits for Nickel,Nickel Alloys andCobalt AlloysE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE55 Practice for Sampling Wrought Nonferrous Metals andAlloys
11、for Determination of Chemical CompositionE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)E1473 Test Methods for Chemical Analysis of Nickel,Co-balt and High-Temperature Alloys3.Terminology3.1 Definitions of Terms Specific to This Standard:1This specification is under
12、 the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Nov.1,2018.Published December 2018.Originallyapproved in 1972.Last previous edition approved in 2017 as
13、 B574 17.DOI:10.1520/B0574-18.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SB-574 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 vol
14、ume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in ac
15、cordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 TABLE 1 Chemical RequirementsEl
16、ementComposition Limits,%AlloyN06035AlloyN06044AlloyN10276AlloyN06022AlloyN06455AlloyN06059AlloyN06058AlloyN06200AlloyN10362AlloyN06210AlloyN06686Molybdenum7.609.000.80-1.2015.017.012.514.514.017.015.016.518.521.015.017.021.5-23.018.020.015.0-17.0Chromium32.2534.2543.5-45.314.516.520.022.514.018.022.024.020.0-23.022.024.013.8-15.618.020.019.0-23.0Iron2.00 max0.3 max4.07.02.06.03.0 max1.5,max1.5,max3.0 max1.25 max1.0 max5.0 maxTungsten0.60 max.3.04.52.53.5.0.3 max.3.0-4.4Cobalt,max1.00.2.52.52.00
