ASTM_B_672_-_02_2018.pdf

Designation:B67202(Reapproved 2018)Standard Specification forNickel-Iron-Chromium-Molybdenum-Columbium StabilizedAlloy(UNS N08700)Bar and Wire1This standard is issued under the fixed designation B672;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.Scope1.1 Thisspecificationcoversnickel-iron-chromium-molybdenum-columbium stabilized alloy(UNS N08700)2bar.1.2 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.1.3 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(SDS)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.1.4 This international standard was developed in accor-dance with internationally recognized principles 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:3A262 Practices for Detecting Susceptibility to IntergranularAttack in Austenitic Stainless SteelsB880 Specification for General Requirements 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 SpecificationsE1473 Test Methods for Chemical Analysis of Nickel,Co-balt and High-Temperature Alloys3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 The terms bar and wire as used in this specification aredescribed as follows:3.1.2 bars,nhot-finished rounds,squares,octagons,andhexagons:14in.(6.35 mm)and over in diameter or size.Hot-finished flats:14in.to 10 in.(254 mm),inclusive,in width,18in.(3.18 mm)and over in thickness.Cold-finished rounds,squares,octagons,hexagons,and shapes:over12in.(12.7 mm)in diameter or size.Cold-finished flats:38in.(9.52 mm)andover in width(see 3.1.2),18in.and over in thickness.(1)Thickness 0.125 in.to under 0.187 in.(3.18 mm to under4.76 mm)can be cold-rolled as well as bar.3.1.3 wire,nCold-finished only:round,square,octagon,hexagon,and shape wire,12in.and under in diameter or size.Cold-finished only:flat wire,316in.(4.76 mm)to under 0.375in.(9.52 mm)in width,0.010 in.(0.254 mm)to under316in.thickness.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 material or UNS N08700.4.1.3 Form(bar).4.1.4 Dimensions.4.1.5 Finish.4.1.6 ASTM designation and year of issue.4.1.7 Corrosion TestState if intergranular corrosion test isrequired(Supplementary Requirements).4.1.8 Certification or Test ReportsState if certification ortest reports are required(Section 14).NOTE1A typical ordering description is as follows:200 bars,UNSN08700,1 in.(25.4 mm)round by 10 to 14 ft(3.0 to 4.3 m),centerlessground,ASTM B672 dated_.1This 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 Nov.1,2018.Published November 2018.Originallyapproved in 1974.Last previous edition approved in 2013 as B672 02(2013).DOI:10.1520/B0672-02R18.2Designation established in accordance with ASTM E527 and SAE J1086,Practice for Numbering Metals and Alloys(UNS).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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance 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 5.Materials and Manufacture5.1 Heat TreatmentThe final treatment shall be a solutionanneal.Straightening or cold finishing,or both,may beperformed after the final solution annealing operation.Colddrawing to more than a minor sizing reduction(preferredmaximum 5%in area)after final