1、Designation:B73008(Reapproved 2013)Standard Specification forWelded Nickel(UNS N02200/UNS N02201)and NickelCopper Alloy(UNS N04400)Tube1This standard is issued under the fixed designation B730;the number immediately following the designation indicates the year oforiginal adoption or,in the case of r
2、evision,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 This specification covers nickel(UNS N02200),low-carbon nickel(UNS N02201),and nickel copper alloy(UNSN
3、04400)in the form of welded and annealed or welded andstress-relieved tube intended for general corrosive service andfor mechanical applications.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 pr
4、ovided for information onlyand are not considered standard.1.3 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 appropriateMater
5、ial 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 Standards:2B751 Specification for General Requirements for Nick
6、el andNickel Alloy Welded Tube3.Ordering Information3.1 Orders for material under this specification shall includethe following information:3.1.1 Alloy name or UNS number.3.1.2 ASTM designation and year of issue.3.1.3 Condition(Temper)(Table 1).3.1.4 Dimensions:3.1.4.1 Outside diameter and nominal w
7、all thickness.NOTE1Tube produced to outside diameter and minimum wallthickness may be furnished upon agreement between the manufacturer andthe purchaser.3.1.4.2 Length(specific or random).3.1.5 Quantity(feet or metres,or number of pieces).3.1.6 CertificationState if certification is required.3.1.7 S
8、amples for Product(Check)AnalysisState whethersamples for product(check)analysis should be furnished.3.1.8 Purchaser InspectionIf the purchaser wishes towitness tests or inspection of material at the place ofmanufacture,the purchase order must so state indicating whichtests or inspections are to be
9、witnessed.3.1.9 Nondestructive TestsSpecify either Test Category 1or 2.If Test Category 1 is required,specify if either ahydrostatic,eddy-current or ultrasonic test is to apply.If TestCategory 2 is required,specify which two tests are required.3.1.10 Supplementary Requirements.4.Materials and Manufa
10、cture4.1 Tubes shall be made from flat-rolled material by anautomatic welding process with no addition of filler metal.Subsequent to welding,and prior to heat treatment,the tubesshall be cold worked to assure that optimum corrosion resis-tance in the weld area and base metal will be developed during
11、heat treatment.4.2 Tubes shall be furnished with a scale-free finish.Whenbright annealing is used,descaling is not necessary.5.Chemical Requirements5.1 The material shall conform to the requirements as tochemical composition prescribed in Table 2.6.Mechanical and Other Requirements6.1 Mechanical Pro
12、pertiesThe material shall conform tothe requirements for mechanical properties prescribed in Table1.6.2 Flattening TestOne test per lot.6.3 Flange TestOne test per lot.6.4 Nondestructive Tests:6.4.1 Tubes shall be subjected to the nondestructive testsoutlined in the following test categories:1This s
13、pecification 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 Feb.1,2013.Published February 2013.Originallyapproved in 1984.Last previous editio
14、n approved in 2008 as B730 08.DOI:10.1520/B0730-08R13.2For 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 AS
15、TM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.4.1.1 Category 1Hydrostatic,eddy-current,or ultra-sonic test as the manufacturers option unless the purchaserspecifies in accordance with 3.1.9.6.4.1.2 Category 2Hydrostatic,pneumatic plus eddy-curren
16、t,or ultrasonic test at the manufacturers option unlessthe purchaser specifies in accordance with 3.1.9.6.4.1.3 The manufacturer shall have the option to use TestCategory 1 or 2 if the purchaser does not specify the testcategory options in accordance with 3.1.9.7.General Requirements7.1 Material furnished under this specification shall con-form to the applicable requirements of Specification B751unless otherwise provided herein.SUPPLEMENTARY REQUIREMENTSOne or more of the following supplementary
