1、Designation:B75900(Reapproved 2016)Standard Specification forNickel-Chromium-Molybdenum-Tungsten Alloys(UNS N06110)Pipe and Tube1This standard is issued under the fixed designation B759;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision
2、,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 Thisspecification2covernickel-chromium-molybdenum-tungsten alloys(UNS N06110)3in the form ofcold-worked seamle
3、ss pipe and tube in the conditions shown inTable 1.1.2 Hot-worked material is available.Properties and per-missible tolerances are to be agreed upon between the manu-facturer and purchaser.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mat
4、hematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 The following precautionary caveat pertains only to thetest method portion,Section 8,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated
5、with its use.It is the responsibility of the userof this standard to become familiar with all hazards includingthose identified in the appropriate Safety Data Sheet(SDS)forthis product/material as provide by the manufacturer,toestablish appropriate safety and health practices,and deter-mine the appl
6、icability of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3E8 Test Methods for Tension Testing of Metallic MaterialsB829 Specification for General Requirements for Nickel andNickel Alloys Seamless Pipe and TubeE426 Practice for Electromagnetic(Eddy-Current)Examina-tio
7、n of Seamless and Welded Tubular Products,Titanium,Austenitic Stainless Steel and Similar Alloys3.Ordering Information3.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for the safe and satisfactoryperformance of material ordered under this specification.Exam
8、ples of such requirements include,but are not limited to,the following:3.1.1 Alloy name or UNS number.3.1.2 ASTM Designation.3.1.3 Condition.3.1.4 Finish.3.1.5 Dimensions.3.1.5.1 TubeSpecify outside diameter and nominal orminimum wall.3.1.5.2 PipeSpecify standard pipe size and schedule.3.1.5.3 Lengt
9、hCut to length or random.3.1.6 QuantityFeet(or metres)or number of pieces.3.1.7 Hydrostatic Pressure RequirementsSpecify testpressure if other than required by 8.1.3.1.8 CertificationState if certification is required.3.1.9 Samples for Product(Check)AnalysisState whethersamples for product(check)ana
10、lysis should be furnished(see4.2).3.1.10 Purchaser InspectionIf purchaser wishes to wit-ness tests or inspection of material at place of manufacture,thepurchase order must so state indicating which tests or inspec-tions are to be witnessed.3.1.11 Small-Diameter and Light-Wall Tube(ConverterSizes).4.
11、Chemical Composition4.1 The material shall conform to the composition limitsspecified in Table 2.4.2 If a product(check)analysis is performed by thepurchaser,the material shall conform to the product(check)analysis variations in Specification B829.5.Mechanical and Other Properties5.1 Mechanical Prop
12、ertiesThe material shall conform tothe tensile properties specified in Table 2.5.2 Pressure and Nondestructive Electric TestEach pipeand tube shall be subjected to either a pressure test or the1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is t
13、he 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 B759 00(2011).DOI:10.1520/B0759-00R16.2For ASME Boiler and Pressure Vessel Code a
14、pplication,see related Specifica-tion SB-167 in Section II of that Code.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 we
15、bsite.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 nondestructive electric test at the manufacturers option.Thepurchaser may specify which test is to be used.5.2.1 Any leaking areas may be cut out and the pipe retestedas above.5.2.2 Te
16、st signals produced by imperfections such as thefollowing,may be judged as injurious or noninjurious,depend-ing on visual observation of their severity or the type of signalthey produce on the testing equipment used,or both.5.2.2.1 Dinges,5.2.2.2 Straightener marks,5.2.2.3 Scratches,5.2.2.4 Steel die stamps,and5.2.2.5 Stop marks.6.Sampling6.1 Test Material Selection:6.1.1 Chemical AnalysisRepresentative samples fromeach lot shall be taken during pouring or subsequent process-ing.6.1.1.1 Product(