1、Designation: B 676 03Standard Specification forUNS N08367 Welded Tube1This standard is issued under the fixed designation B 676; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses ind
2、icates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers UNS N08367* welded tube forgeneral corrosion applications.1.2 This specification covers outside diameter and nominalwall tube.1.2.1
3、The tube sizes covered by this specification are18 to 5in. (3.2 to 127 mm) in outside diameter and 0.015 to 0.320 in.(0.38 to 8.13 mm), inclusive, in wall thickness.1.3 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.1.
4、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 hazards including those identified in the appropriateMaterial Safety Data Sheet for this product/material as pro-vid
5、ed by the manufacturer, to establish appropriate safety andhealth practices, and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A 1016/A 1016M Specification for General Requirementsfor Ferritic Alloy Steel, Austentic Alloy Steel, and Stai
6、n-less Steel TubesB 751 Specification for General Requirements for Nickeland Nickel Alloy Welded TubeB 899 Terminology Relating to Non-ferrous Metals andAlloys3. Terminology3.1 Terms defined in Terminology B 899 shall apply unlessotherwise defined in this standard.4. General Requirement4.1 Material
7、furnished in accordance with this specificationshall conform to the applicable requirements of SpecificationB 751 unless otherwise provided herein.5. Classification5.1 Class 1Welded, cold worked, solution treated, andeach piece of each lot subjected to one of the following fourtests: hydrostatic, pn
8、eumatic (air underwater), eddy current, orultrasonic.5.2 Class 2Welded, cold worked, solution treated, andeach piece of each lot leak tested (hydrostatic or pneumatic)plus electric tested (eddy current or ultrasonic).6. Ordering Information6.1 It is the responsibility of the purchaser to specify all
9、requirements that are necessary for material ordered under thisspecification. Examples of such requirements include, but arenot limited to, the following:6.1.1 Alloy name or UNS number,6.1.2 ASTM designation and year of issue,6.1.3 Dimensions:6.1.3.1 Outside diameter and nominal wall thicknesses,NOT
10、E 1Tube produced to outside diameter and minimum wall thick-ness may be furnished upon agreement between the manufacturer and thepurchaser.6.1.3.2 Length (specific or random),6.1.4 Class (Section 5),1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys an
11、d is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Nov. 1, 2003. Published December 2003. Originallyapproved in 1980. Last previous edition approved in 2002 as B 676 02.*New designation established in accordance with Practice E
12、 527 and SAE J1086,Practice for Numbering Metals and Alloys (UNS).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 web
13、site.TABLE 1 Chemical RequirementsElementComposition Limits,%N08367Carbon 0.030 maxManganese 2.00 maxSilicon 1.00 maxPhosphorus 0.040 maxSulfur 0.030 maxChromium 20.00 to 22.00Nickel 23.50 to 25.50Molybdenum 6.00 to 7.00Nitrogen 0.18 to 0.25IronAremainderCopper 0.75 maxAIron shall be determined arit
14、hmetically by difference.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6.1.5 Quantity (feet or number of pieces),6.1.6 Certification State if certification is requir
15、ed,6.1.7 Samples for Product (Check) AnalysisState whethersamples for product (check) analysis should be furnished, and6.1.8 Purchaser InspectionIf the purchaser wishes towitness tests or inspection of material at the place of manu-facture, the purchase order must so state indicating which testsor i
16、nspections are to be witnessed.7. Material and Manufacture7.1 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 solution treatment Class 1and Class 2 material shall be cold worked either in both weld
17、and base metal or in weld metal only.NOTE 2The recommended heat treatment shall consist of heating to aminimum temperature of 2025F (1105C) for Type N08367 and quench-ing in water or rapidly cooling by other means.7.2 Tube shall be furnished with oxide removed. Whensolution treatment is performed in
18、 a protective atmospheredescaling is not necessary.8. Chemical Composition8.1 The material shall conform to the requirements as tochemical composition prescribed in Table 1. One test isrequired for each lot as defined in Specification B 751.8.2 If a product (check) analysis is performed by thepurcha
19、ser, the material shall conform to the product (check)analysis variations specified in Specification B 751. Table 29. Mechanical Properties and Other Requirements9.1 Mechanical PropertiesThe material shall conform tothe mechanical properties prescribed in Table 2. One test isrequired for each lot as
20、 defined in Specification B 751.9.2 Flattening Test Requirements:9.2.1 One flattening test per lot shall be performed inaccordance with Specification B 751.9.3 Flange Test Requirements:9.3.1 Flange test specimens shall show no cracking or flaws.9.3.2 For tube less than 0.093 in. (2.36 mm) in insided
21、iameter and tube having a wall thickness equal to or greaterthan the inside diameter, the flange test shall not be required.9.4 Reverse-Bend Requirements:9.4.1 One reverse-bend test as defined in SpecificationA 1016/A 1016M shall be performed on each lot of tubing.9.4.2 Reverse-bend test specimens s
22、hall show no evidenceof cracks or lack of penetration in the weld, or of overlapsresulting from the reduction in thickness of the weld areas bycold working.9.4.3 The reverse-bend test is not applicable when thespecified wall is 10 % or more of the specified outsidediameter, or the wall thickness is
23、0.134 in. 3.4 mm or greater,or the outside diameter size is less than 0.375 in. 9.5 mm.Under these conditions the reverse flattening test of Specifica-tion A 1016/A 1016M shall apply.9.4.4 The lot definition for the reverse-bend test shall be1500 ft 450 m of finished tubing.9.5 Nondestructive Test R
24、equirements:9.5.1 Tube shall be subjected to a pressure test or nonde-structive electric test in accordance with Specification B 751.10. Keywords10.1 UNS N08367; welded tubeTABLE 2 Mechanical PropertiesType Condition (Temper) GageTensile Strength,min, ksi (MPa)Yield Strength, 0.2 %Offset, min, ksi (
25、MPa)Elongation in2 in. or 50mm (or 4D), min,%N08367Solution treated (Class 1and Class 2)#316316100 (690)95 (655)45 (310)45 (310)3030B676032SUMMARY OF CHANGESCommittee B02 has identified the location of selected changes to this standard since the last issue (B 676 02)that may impact the use of this s
26、tandard.(1) Clarify reverse bend and flattening requirements.ASTM International takes 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 p
27、atent rights, and the riskof infringement of such rights, are entirely their own responsibility.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 e
28、ither for revision of this standard or for additional standardsand should be addressed 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 fai
29、r hearing you shouldmake your views known to the ASTM Committee on Standards, at the address 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), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).B676033
