1、Designation:B75800(Reapproved 2016)Standard Specification forNickel-Chromium-Molybdenum-Tungsten Alloys(UNS N06110)Welded Tube1This standard is issued under the fixed designation B758;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,t
2、he 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 This specification covers welded UNS N061102tube inthe annealed condition(temper)for general corrosion applica-t
3、ions.1.2 This specification covers outside diameter and nominalwall tube.1.2.1 The tube sizes covered by this specification are18to 5in.(3.2 to 127 mm)in outside diameter and 0.015 to 0.148 in.(0.4 to 3.8 mm),inclusive,in wall thickness.1.3 The values stated in inch-pound units are to be regardedas
4、the standard.The SI units in parentheses are provided forinformation only.1.4 The following precautionary caveat pertains only to thetest method portion,Section 13,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the respo
5、nsibility of the userof this standard to become familiar with all hazards includingthose identified in the appropriate Safety Data Sheet(SDS)forthis product/material as provided by the manufacturer,toestablish appropriate safety and health practices,and deter-mine the applicability of regulatory lim
6、itations prior to use.2.Referenced Documents2.1 ASTM Standards:3E8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE38 Methods for Chemical Analysis of Nickel-Chromiumand Nickel-Chromium-Iron Allo
7、ys(Withdrawn 1989)4E213 Practice for Ultrasonic Testing of Metal Pipe andTubingE354 Test Methods for Chemical Analysis of High-Temperature,Electrical,Magnetic,and Other Similar Iron,Nickel,and Cobalt AlloysE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)E571 Practice
8、 for Electromagnetic(Eddy-Current)Examina-tion of Nickel and Nickel Alloy Tubular Products3.Classification3.1 Class 1Welded,cold-worked,annealed,and nonde-structively tested in accordance with 11.5.1.3.2 Class 2Welded,cold-worked,annealed,and nonde-structively tested in accordance with 11.5.2.4.Orde
9、ring Information4.1 Orders for material conforming to this specificationshall include the following information:4.1.1 Alloy name or UNS number.4.1.2 ASTM designation and year of issue.4.1.3 Dimensions:4.1.3.1 Outside diameter and nominal wall thickness.NOTE1Tube produced to outside diameter and mini
10、mum wall may befurnished upon agreement between the manufacturer and the purchaser.4.1.3.2 Length(specific or random).4.1.4 Class(see 11.5).4.1.5 Quantity(feet or number of pieces).4.1.6 CertificationState if certification is required(Sec-tion 16).4.1.7 Samples for Product(Check)AnalysisState whethe
11、rsamples for product(check)analysis should be furnished(10.2).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.P
12、ublished June 2016.Originallyapproved in 1986.Last previous edition approved in 2011 as B758 00(2011).DOI:10.1520/B0758-00R16.2New designation established in accordance with Practice E527 and SAE J1086,Recommended Practice for Numbering Metals and Alloys(UNS).3For referenced ASTM standards,visit the
13、 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.4The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM Interna
14、tional,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.1.8 Purchaser InspectionIf purchaser wishes to witnesstests or inspection of material at place of manufacture,thepurchase order must so state indicating which tests or inspec-tions are to be witnessed(Section 1
15、4).5.Material and Manufacture5.1 Tube shall be made from flat-rolled alloy by an auto-matic welding process with no addition of filler metal.Subse-quent to welding and prior to final annealing,the material shallbe cold-worked in either the weld metal only or both weld andbase metal.5.2 Tube shall be
16、 furnished with oxide removed.Whenbright annealing is used,descaling is not necessary.6.Chemical Composition6.1 The material shall conform to the composition limitsspecified in Table 1.6.2 If a product(check)analysis is performed by thepurchaser,the material shall conform to the product(check)analysis variations in Table 2.7.Mechanical and Other Properties7.1 Mechanical PropertiesThe material shall conform tothe mechanical properties specified in Table 3.7.2 Flattening TestA section of tube not
