ASTM_B_446_-_03_2014.pdf

Designation:B44603(Reapproved 2014)Standard Specification forNickel-Chromium-Molybdenum-Columbium Alloy(UNSN06625),Nickel-Chromium-Molybdenum-Silicon Alloy(UNSN06219),and Nickel-Chromium-Molybdenum-Tungsten Alloy(UNS N06650)Rod and Bar1This standard is issued under the fixed designation B446;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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 Thisspecificationcoversnickel-chromium-molybdenum-columbium(UNS N06625),nickel-chromium-molybdenum-silicon alloy(UNS N06219),and Nickel-Chromium-Molybdenum-Tungsten Alloy(UNS N06650)2inthe form of hot-worked rod and bar and cold-worked rod in theconditions shown in Table 1.1.1.1 UNS N06625 products are furnished in two grades ofdifferent heat-treated conditions:1.1.1.1 Grade 1(Annealed)Material is normally em-ployed in 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.NOTE1Hot-working or reannealing may change propertiessignificantly,depending on working history and temperatures.1.1.2 Alloys UNS N06219 and UNS N06650 are supplied insolution annealed condition only.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 precautionary 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:3B443 Specification for Nickel-Chromium-Molybdenum-Columbium Alloy(UNS N06625)and Nickel-Chromium-Molybdenum-SiliconAlloy(UNS N06219)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 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 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.(254 mm)and under may be furnished as hot-rolled platewith sheared or cut edges in accordance with SpecificationB443,provided the mechanical property requirements of thisspecification are met.3.1.2 rod,nmaterial of round solid section furnished instraight lengths.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 Oct.1,2014.Published October 2014.Originallyapproved in 1966.Last previous edition approved in 2008 as B446 03(2008)1.DOI:10.1520/B0446-03R14.2New designation(UNS N06650)was established in accordance with PracticeE527 and SAE J 1086,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 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 Dimensions,including length,4.1.5 Condition(see 1.1.1,1.1.2,and appendix),4.1.5.1 If neither grade of N06625 is specified,Grade 1 willbe supplied,4.1.6 Finish(Section 8),4.1.7 QuantityFeet(or metres)or number of 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