1、Designation:B51615Standard Specification forWelded Nickel-Chromium-Iron Alloy(UNS N06600,UNSN06601,UNS N06603,UNS N06025,UNS N06045,UNSN06690,and UNS N06693)Tubes1This standard is issued under the fixed designation B516;the number immediately following the designation indicates the year oforiginal a
2、doption 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.Scope*1.1 This specification covers welded UNS N06600,2N06601,N06603,N06025,N06045,UN
3、S N06690,and UNSN06693 alloy boiler,heat exchanger,and condenser tubes forgeneral corrosion resisting and low or high-temperature ser-vice.1.2 This specification covers tubes18to 5 in.(3.18 to 127mm),inclusive,in outside diameter and 0.015 to 0.500 in.(0.38to 12.70 mm),inclusive,in wall thickness.Ta
4、ble 2 of Specifi-cation B751 lists the dimensional requirements of these sizes.Tubes having other dimensions may be furnished providedsuch tubing complies with all other requirements of thisspecification.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in pare
5、ntheses are mathematicalconversions to SI units that are 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
6、 hazards including those identified in the appropriateMaterial Safety Data Sheet(MSDS)for this product/materialas provided by the manufacturer,to establish appropriatesafety and health practices,and determine the applicability ofregulatory limitations prior to use.2.Referenced Documents2.1 ASTM Stan
7、dards:3B751 Specification for General Requirements for Nickel andNickel Alloy Welded TubeB899 Terminology Relating to Non-ferrous Metals and Al-loys3.Terminology3.1 Terms defined in Terminology B899 shall apply unlessdefined otherwise in this standard.4.Ordering Information4.1 It is the responsibili
8、ty 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 Quantity(feet or number of lengths),4.1.2 UNS number,4.1.3 Size(out
9、side diameter minimum or average wallthickness),4.1.4 Length(random or specific),4.1.5 Class,4.1.6 ASTM designation,4.1.7 Product AnalysisState if required,4.1.8 CertificationState if a certification or a report of testresults is required,and4.1.9 Purchaser InspectionState which tests or inspec-tion
10、s are to be witnessed,if any.5.Material and Manufacture5.1 Tube shall be made from flat-rolled alloy by an auto-matic welding process with no addition or 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 andba
11、se metal.5.2 Tube shall be 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.One test is required for each lot as definedin Specification B751.1This specification is
12、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 May 1,2015.Published May 2015.Originallyapproved in 1970.Last previous edition approved in 2014 as
13、 B516 03(2014).DOI:10.1520/B0516-15.2New designation established in accordance with ASTM E527 and SAE J1086,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 ASTMStand
14、ards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.2 If a product analysis is performe
15、d,it shall meet thechemistry limits prescribed in Table 1,subject to the analysistolerances specified in Specification B751.7.Mechanical Properties and Other Requirements7.1 Mechanical PropertiesThe material shall conform tothe mechanical property requirements specified in Table 2.Onetest is require
16、d for each lot as defined in Specification B751.7.2 Flattening TestA flattening test shall be made on eachend of one tube per lot.Superficial ruptures resulting fromsurface imperfections shall not be cause for rejection.7.3 Flange TestA flange test shall be made on each end ofone tube per lot.7.4 Nondestructive Test Requirements:7.4.1 Class 1Each piece in each lot shall be subject to oneof the following four tests:hydrostatic,pneumatic(airunderwater),eddy current,or ultrasonic.7.4.2 Class 2Each
