ASTM_B_756_-_00_2016.pdf

Designation:B75600(Reapproved 2016)Standard Specification forNickel-Chromium-Molybdenum-Tungsten Alloy(UNS N06110)Rod and Bar1This standard is issued under the fixed designation B756;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-chromium-molybdenum-tungsten(UNS N06110)2in the form of hot-worked rod and bar and cold-worked rod in the conditionsshown in Table 1.1.2 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 and healthpractices,and determine the applicability of regulatory limi-tations prior to use.2.Referenced Documents2.1 ASTM Standards:3B755 Specification for Nickel-Chromium-Molybdenum-Tungsten Alloys(UNS N06110)Plate,Sheet,and StripB880 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 SpecificationsE527 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:3.1.1 bar,nmaterial of rectangular(flats)or square solidsection up to and including 10 in.(254 mm)in width and18in.(3.2 mm)and over in thickness in straight lengths.3.1.1.1 DiscussionHot-worked rectangular bar in widths10 in.and under may be furnished as hot-rolled plate withsheared or cut edges in accordance with Specification B755,provided the mechanical property requirements of Specifica-tion B755 are met.3.1.2 rod,nmaterial of round solid section furnished instraight lengths.4.Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for the safe and satisfactoryperformance of material ordered under this specification.Examples of such requirements include,but are not limited to,the following:4.1.1 ASTM Designation.4.1.2 UNS Number.4.1.3 SectionRod(round)or bar(square or rectangular).4.1.4 DimensionsDimensions including length.4.1.5 Condition(see Appendix).4.1.6 Finish(Section 8).4.1.7 QuantityFeet,(or metres)or number pieces.4.1.8 CertificationState if certification is required(seeSection 15).4.1.9 Samples for Product(Check)AnalysisState whethersamples for product(check)analysis should be furnished(see5.2).4.1.10 Purchaser Inspection(see Section 13)If purchaserwishes to witness test or inspection of material at place ofmanufacture,the purchase order must so state indicating whichtest or inspections are to be witnessed.5.Chemical Composition5.1 The material shall conform to the composition limitsspecified in Table 2.1This 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 June 1,2016.Published June 2016.Originallyapproved in 1986.Last previous edition approved in 2011 as B756 00(2011).DOI:10.1520/B0756-00R16.2New designation established in accordance with Practice E527 and SAE J1086,Recommended 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 States1 5.2 If a product(check)analysis is performed by thepurchaser,the material shall conform to the product(check)analysis variations in accordance with Specification B880.6.Mechanical and Other Properties6.1 Mechanical PropertiesThe material shall conform tothe mechanical properties specified in Table 1.7.Dimensions and Permissible Variations7.1 Diameter,Thickness,or WidthThe permissible varia-tions from the specified dimensions of cold worked rod shall beas prescribed in Table 3,and of hot-worked rod and bar asprescribed in Table 4.7.2 Out-of-RoundHot-worked rods and cold-worked rods(except forging quality)all sizes,in straight lengths,shall notbe out-of-round by more than one half the total permissiblevari