ASTM_B_691_-_02_2013.pdf

Designation:B69102(Reapproved 2013)Standard Specification forIron-Nickel-Chromium-Molybdenum Alloys(UNS N08366 andUNS N08367)Rod,Bar,and Wire1This standard is issued under the fixed designation B691;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 Thisspecificationcoversiron-nickel-chromium-molybdenum alloys(UNS N08366 and UNS N08367)*in theform of hot-finished and cold-finished rounds,squares,hexagons,octagons,and rectangles.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 The following safety hazards caveat pertains only to thetest methods portion,Section 12,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to become familiar with all hazards includingthose identified in the appropriate Material Safety Data Sheet(MSDS)for this product/material as provided by themanufacturer,to establish appropriate safety and healthpractices,and determine the applicability of regulatory limi-tations prior to use.2.Referenced Documents2.1 ASTM Standards:2B880 Specification for General Requirements for ChemicalCheck Analysis Limits for Nickel,Nickel Alloys andCobalt AlloysE8 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 Alloys3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 The terms rod,bar,and wire,as used in thisspecification,are described as follows:3.1.2 bar,nhot-finished or cold-finished material ofround,square,hexagon,octagon,or rectangular solid section instraight lengths.3.1.3 rod,nhot-finished material of round,square,hexagon,octagon,or rectangular solid section furnished incoils for subsequent cold drawing into finished products.3.1.4 wire,ncold-finished material of round,square,hexagon,octagon,or rectangle solid section furnished in coils.4.Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered to thisspecification.Examples of such requirements include,but arenot limited to,the following:4.1.1 Quantity(feet,metres,or number of pieces),4.1.2 Form(rod,bar,wire),4.1.3 Name of material or UNS number,4.1.4 Finish(see 8.2),4.1.5 Dimensions,including length,4.1.6 Certification,if required(Section 15),4.1.7 Purchasers inspection,if required(Section 13),4.1.8 ASTM designation and year of issue,and4.1.9 Samples for product analysis,if required.5.Chemical Composition5.1 The material shall conform to the composition limitsspecified in Table 1.5.2 If a product(check)analysis is made by the purchaser,the material shall conform to the permissible variations forproduct(check)analysis in Specification B880.6.Mechanical Properties and Other Requirements6.1 The material shall conform to the mechanical propertyrequirements specified in Table 2.7.Dimensions and Permissible Variations7.1 Size: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 Feb.1,2013.Published February 2013.Originallyapproved in 1981.Last previous edition approved in 2007 as B691 02(2007).DOI:10.1520/B0691-02R13.*New designation established in accordance with ASTM E527 and SAE J1086,Practice for Numbering Metals and Alloys.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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.1.1 RoundsThe permissible variations in size of cold-finished round shall be as given in Table 3.For hot-finishedround bars and rod,they shall be as given in Table 4.7.1.2 SquaresThe permissible variations in size of cold-finished square bars shall be as given in Table 5.For hot-finished square bars and rods,they shall be as given in Table 4.7.1.3 Hexagons and OctagonsThe permissible variationsin size of cold-finished hexagons and octagons shall be asgiven in Table 5.For hot-finished bar and rod hexagons andoctagons they shall be as given in Table 6.7.1.4 Flats(Rectangles)The permissible variations inwidth and thickness of cold-finished flats shall be as given inTable 7 for bars and for wire in Table 8.For hot-finished