ASTM_B_834_-_15.pdf

Designation:B83415Standard Specification forPressure Consolidated Powder Metallurgy Iron-Nickel-Chromium-Molybdenum(UNS N08367),Nickel-Chromium-Molybdenum-Columbium(Nb)(UNS N06625),Nickel-Chromium-Iron Alloys(UNS N06600 and N06690),andNickel-Chromium-Iron-Columbium-Molybdenum(UNSN07718)Alloy Pipe Flanges,Fittings,Valves,and Parts1This standard is issued under the fixed designation B834;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 revision or reapproval.1.Scope*1.1 This specification covers pressure consolidated powdermetallurgyiron-nickel-chromium-molybdenum(UNSN08367)and nickel-chromium-molybdenumcolumbium(Nb)(UNS N06625),nickel-chromium-iron alloys(UNS N06600and N06690),and nickel-chromium-iron-columbium(Nb)-molybdenum(UNS N07718)alloy pipe flanges,fittings,valves,and parts intended for general corrosion or heat-resisting service.1.1.1 UNS N06625 products are furnished in two grades ofdifferent heat-treated conditions:1.1.1.1 Grade 1(annealed)Material is normally employedin service temperatures up to 1100F(593C).1.1.1.2 Grade 2(solution annealed)Material is normallyemployed in service temperatures above 1100F(593C)whenresistance to creep and rupture is required.1.2 UNS N08367 products are furnished in the solutionannealed condition.1.3 UNS N06600 products are furnished in the annealedcondition.1.4 UNS N06690 products are furnished in the annealedcondition.1.5 UNS N07718 products are furnished in the solutionannealed+precipitation hardened condition.1.6 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.1.7 The following safety hazards caveat pertains only to testmethods portions,Sections 7.3 and 13,of this specification:This standard does not purport to address all of the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to become familiar with all hazardsincluding those identified in the appropriate Safety Data Sheet(SDS)forthisproduct/materialasprovidedbythemanufacturer,to establish appropriate safety and healthpractices,and to determine the applicability of regulatorylimitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE1473 Test Methods for Chemical Analysis of Nickel,Cobalt,and High-Temperature AlloysG28 Test Methods for Detecting Susceptibility to Inter-granular Corrosion in Wrought,Nickel-Rich,Chromium-Bearing AlloysG48 Test Methods for Pitting and Crevice Corrosion Resis-tance of Stainless Steels and Related Alloys by Use ofFerric Chloride Solution2.2 Manufacturers Standardization Society of the Valve andFittings Industry Standard:3SP-25 Standard Marking System for Valves,Fittings,Flanges,and Unions1This specification is under 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 Oct.1,2015.Published October 2015.Originallyapproved in 1993.Last previous edition approved in 2013 as B834 13.DOI:10.1520/B0834-15.2For 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.3Available from Manufacturers Standardization Society of the Valve and FittingsIndustry(MSS),127 Park St.,NE,Vienna,VA 22180-4602,http:/www.mss-.*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 States1 2.3 ASME/ANSI Standard:4ASME/ANSI B16.5 Pipe Flanges and Flanged Fittings3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 can,nthe container used to encapsulate the powderduring the pressure consolidation process;it is removed fromthe final part.3.1.2 compact,nthe consolidated powder from one can;itmay be used to make one or more parts.3.1.3 fill pin,nthe part of the compact in the spout used tofill the can;it is not usually integral to the part produced.3.1.4 part,na single item coming from a compact,eitherprior to or after machining.3.1.5 powder blend,na homogeneous mixture of powderfrom one or more heats;it is limited to the amount that can bemixed in the same blender at one time.3.1.6 rough part,nthe part prior to final machining.4.Ordering Information4.1 Orders for material under this specification shouldinclude the following information:4.1.1 Quantity(weight or number of pieces),4.1.2 Name of