1、Designation:B67705(Reapproved 2016)Standard Specification forUNS N08925,UNS N08354,and UNS N08926 Seamless Pipeand Tube1This standard is issued under the fixed designation B677;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year
2、 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 This specification covers UNS N08925,UNS N08354,and UNS N089262seamless,cold-worked or hot-finished pipeand tube intend
3、ed for general corrosive service.1.2 ASTM International has adopted definitions wherebysome grades,such as UNS N08904 previously in thisspecification,were recognized as stainless steels,because thosegrades have iron as the largest element by mass percent.Suchgrades are under the oversight of ASTM Co
4、mmittee A01 andits subcommittees.The products of N08904 previously coveredin this specification are now covered by Specifications A269and A312/A312M.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that ar
5、e provided for information onlyand are not considered standard.1.4 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 appropriateS
6、afety 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:3A269 Specification for Seamless and Welded AusteniticSta
7、inless Steel Tubing for General ServiceA312/A312M Specification for Seamless,Welded,andHeavily Cold Worked Austenitic Stainless Steel PipesB829 Specification for General Requirements for Nickel andNickel Alloys Seamless Pipe and TubeE527 Practice for Numbering Metals and Alloys in theUnified Numberi
8、ng System(UNS)3.Terminology3.1 average diameter,nthe average of the maximum andminimum outside diameters as determined at any one crosssection of the tube or pipe.3.2 pipe,nseamless tube conforming to the particulardimensions commercially known as standard pipe sizes.3.3 tube,na hollow product of ro
9、und or any other crosssection having a continuous periphery.4.General Requirements4.1 Material furnished under this specification shall con-form to the requirements of Specification B829 unless other-wise provided herein.In the case of conflict,the requirementsof this specification shall take preced
10、ence.5.Ordering Information5.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thisspecification.Examples of such requirements include,but arenot limited to,the following:5.1.1 Alloy name or UNS number.5.1.2 ASTM designation and year
11、 of issue.5.1.3 Finish.5.1.4 Dimensions:5.1.4.1 TubeOutside diameter and the average or mini-mum wall thickness.5.1.4.2 PipeStandard pipe size and schedule.5.1.4.3 Length,(cut to length or random).5.1.5 Quantity(feet or number of pieces).5.1.6 Nondestructive Testing(see 8.2):5.1.6.1 Pressure Require
12、mentsTest pressure if other thanrequired by 8.2.1.5.1.6.2 Specify if an electric test is to be performed.5.1.7 EndsPlain ends cut and deburred will be furnished.If threaded ends or ends beveled for welding are desired,givedetails.1This specification is under the jurisdiction of ASTM Committee B02 on
13、Nonferrous 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 1980.Last previous edition approved in 2010 as B677 05(2010)1.DOI:10.1520/B0677-05R16.2New
14、designation established in accordance with ASTM 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
15、 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 5.1.8 CertificationState if certification is required.5.1.9 Samples for Product(Check)AnalysisState whethersamples for product(chec
16、k)analysis should be furnished(see7.2).5.1.10 Purchaser InspectionIf the purchaser wishes towitness tests or inspection of material at the place ofmanufacture,the purchase order must so state,indicatingwhich tests or inspections are to be witnessed.6.Materials and Manufacture6.1 The material shall be supplied in the solution-treatedcondition.NOTE1The recommended heat treatment shall consist of heating to atemperature of 2010 to 2100F(1100 to 1150C)for UNS N08925 andUNS N08926,followed by quenchi
