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    ASTM A908-2003 Standard Specification for Stainless Steel Needle Tubing《不锈钢针管》.pdf

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    ASTM A908-2003 Standard Specification for Stainless Steel Needle Tubing《不锈钢针管》.pdf

    1、Designation: A 908 03Standard Specification forStainless Steel Needle Tubing1This standard is issued under the fixed designation A 908; 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 parenthe

    2、ses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification covers austenitic, stainless steel,needle tubing in

    3、 hard-drawn tempers for industrial applica-tions.1.2 In general, needle tubing describes small-diameter tub-ing with outside diameters (ODs) in the range of 0.008 to 0.203in. (0.2 to 5.2 mm) with nominal wall thicknesses in the rangeof 0.002 to 0.015 in. (0.05 to 0.4 mm). Needle tubing gages arenorm

    4、ally 6 through 33.1.3 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.2. Referenced Documents2.1 ASTM Standards:A 1016/A 1016M Specification for General Requirementsfor Ferritic Alloy Steel, Austenitic Alloy Steel, and

    5、Stain-less Steel Tubes23. Ordering Information3.1 Orders for material in accordance with this specificationshould include the following, as required, to describe thematerial adequately:3.1.1 Quantity (feet, metres, or number of lengths),3.1.2 Gage or size (outside diameter and minimum wallthickness)

    6、,3.1.3 Length (specific or random), and3.1.4 Test report required (see the section on certification inSpecification A 1016/A 1016M).4. Process4.1 An electric furnace or other similar primary meltingprocess with or without degassing or refining may be used.5. General Requirements5.1 Material furnishe

    7、d in accordance with this specificationshall conform to the applicable requirements of the currentedition of Specification A 1016/A 1016M, unless otherwiseprovided herein.6. Manufacture6.1 Needle tubing shall be made by the seamless or weldedand drawn process and shall be furnished in the hard-drawn

    8、temper condition.7. Heat Treatment7.1 Unless otherwise specified by the purchaser, no heattreatment is required.8. Chemical Composition8.1 Stainless steel, Type 304, UNS S30400, in accordancewith Table 1 shall be used.8.2 Heat AnalysisAn analysis of each heat of steel shallbe made by the manufacture

    9、r from samples made during thepour. The chemical composition thus determined shall meet therequirements of Table 1.8.3 Product AnalysisAn analysis may be made by thepurchaser from finished tubing. The chemical composition thusdetermined shall meet the requirements of Table 1.1This specification is u

    10、nder the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.10 on Stainless and Alloy Steel Tubular Products.Current edition approved April 10, 2003. Published May 2003. Originallyapproved in 1991. Last previous edition

    11、approved in 1998 as A 908-91 (1998).2Annual Book of ASTM Standards, Vol 01.01.TABLE 1 Chemical RequirementsCarbon 0.08 maxManganese 2.00 maxPhosphorous 0.040 maxSulfur 0.030 maxSilicon 0.75 maxChromium 18.020.0Nickel 8.011.0TABLE 2 Tensile RequirementsTensile strength, ksi (MPa) 150200 (10301370)1*A

    12、 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.9. Mechanical Properties9.1 Tensile RequirementsThe tubing shall meet the tensileproperties specified in Table 2. Yield st

    13、rength, elongation, andhardness tests are not required for needle tubing.9.2 Number of TestsTwo tension tests for each 5000 ft ofproduct per heat shall be performed.10. Dimensions10.1 Sizes and TolerancesNeedle tubing sizes and dimen-sions shall be in accordance with Table 3.11. Keywords11.1 needle

    14、tubing; stainless steelSUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last edition (A 908-91(1998) ) that may impact the use of this standard (approved April 2003).(1) Replaced Specification A 450/A 450M with SpecificationA 1016/A 1016M.AST

    15、M 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 patent rights, and the riskof infringement of such rights, are en

    16、tirely 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 either for revision of this standard or for additional standardsa

    17、nd 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 fair hearing you shouldmake your views known to the ASTM Committee

    18、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

    19、at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABLE 3 Sizes and TolerancesGage No. OD, in.OD Tolerance,in. (6)NominalWall, in.Wall Tolerance,in. (6)6 0.203 0.001 0.015 0.0017 0.180 0.001 0.015 0.0018 0.165 0.001 0.015 0.0019 0.148

    20、 0.001 0.015 0.00110 0.134 0.001 0.014 0.00111 0.120 0.001 0.013 0.00112 0.109 0.001 0.012 0.00113 0.095 0.001 0.012 0.00114 0.083 0.001 0.010 0.00115 0.072 0.0005 0.009 0.000516 0.065 0.0005 0.009 0.000517 0.059 0.0005 0.009 0.000518 0.050 0.0005 0.0085 0.000519 0.0425 0.0005 0.00775 0.000520 0.035

    21、5 +0.0005/0.000 0.00625 +0.000/0.000521 0.032 +0.0005/0.000 0.00625 +0.000/0.000522 0.028 +0.0005/0.000 0.00625 +0.000/0.000523 0.025 +0.0005/0.000 0.00625 +0.000/0.000524 0.022 +0.0005/0.000 0.00525 +0.000/0.000525 0.020 +0.0005/0.000 0.00525 +0.000/0.000526 0.018 +0.0005/0.000 0.00425 +0.000/0.000527 0.016 +0.0005/0.000 0.00425 +0.000/0.000528 0.014 +0.0005/0.000 0.0035 0.0002529 0.013 +0.0005/0.000 0.003 0.0002530 0.012 +0.0005/0.000 0.003 0.0002531 0.010 +0.0005/0.000 0.0025 0.0002532 0.009 +0.0005/0.000 0.0025 0.0002533 0.008 +0.0005/0.000 0.002 0.00025A908032


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