1、Designation: B 730 08Standard Specification forWelded Nickel (UNS N02200/UNS N02201) and NickelCopper Alloy (UNS N04400) Tube1This standard is issued under the fixed designation B 730; 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 (e) 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
3、(UNSN04400) 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
4、 are provided 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 approp
5、riateMaterial 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:2B 751 Specification for General Requi
6、rements for Nickeland Nickel 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 dia
7、meter and nominal wall thickness.NOTE 1Tube produced to outside diameter and minimum wall thick-ness may be furnished upon agreement between the manufacturer and thepurchaser.3.1.4.2 Length (specific or random).3.1.5 Quantity (feet or metres, or number of pieces).3.1.6 CertificationState if certific
8、ation is required.3.1.7 Samples 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 of manu-facture, the purchase order must so state indicating whic
9、h testsor inspections are to be 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 Supplementar
10、y Requirements.4. Materials and Manufacture4.1 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
11、 and base metal will be developed duringheat 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. Mechani
12、cal and Other Requirements6.1 Mechanical PropertiesThe 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 testsoutli
13、ned in the following test categories:6.4.1.1 Category 1Hydrostatic, eddy-current, or ultra-sonic test as the manufacturers option unless the purchaserspecifies in accordance with 3.1.9.1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direc
14、t responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved April 1, 2008. Published April 2008. Originallyapproved in 1984. Last previous edition approved in 1993 as B 730 - 93 which waswithdrawn May 2002 and reinstated in April 2008.2For referenced
15、 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.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Cons
16、hohocken, PA 19428-2959, United States.6.4.1.2 Category 2Hydrostatic, pneumatic plus eddy-current, 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
17、 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 B 751unless otherwise provided herein.SUPPLEMENTARY REQUIREMENTSOne or more of the following supplementary
18、requirements shall spply only when specified in thepurchase order.S1. The tube may be furnished without cold working.S2. The tube may be furnished without a final heat treatment.S3. Tubing over 0.125 in. wall thickness may be welded withthe addition of matching filler metal.ASTM International takes
19、no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own respo
20、nsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed
21、 to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the a
22、ddress shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone
23、), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABLE 1 Mechanical Properties of TubeCondition and SizeTensile Strength,min, psi (MPa)Yield Strength (0.2 % offset),min, psi (MPa)Elongation in 2 in.or 50 min (or 4D)min, %NickelLow-CarbonNickelUNSN04400Nic
24、kelLow-CarbonNickelUNSN04400NickelLow-CarbonNickelUNSN04400Annealed:5 in. (127 mm) andunder outside diameter55 000 (380) 50 00 (345) 70 000 (480) 15 000 (105) 12 000 (80) 28 000 (195) 35 35 35Over 5 in. (127 mm) inoutside diameter55 000 (380) 50 000 (345) 70 000 (480) 12 000 (80) 10 000 (70) 25 000
25、(170) 40 40 35Stress-relievedAll sizes65 000 (450) 60 000 (415) 85 000 (585) 40 000 (275) 30 000 (205) 55 000 (380) 15 15 15TABLE 2 Chemical RequirementsComposition, %ElementNicke(UNS N02200)Low-CarbonNickel(UNS N02201)Nickel-Copper(UNS N04400)Nickel, min 99.0 99.0 63.0Copper 0.25 max 0.25 max 28.034.0Iron, max 0.40 0.40 2.6Manganese, max 0.35 0.35 2.0Carbon, max 0.15 0.02 0.3Silicon, max 0.35 0.35 0.5Sulfur, max 0.01 0.01 0.024B730082
