ASTM B673-05(2011)e1

    Standard Specification for UNS N08925, UNS N08354, and UNS N08926 Welded Pipe

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    1. Scope

    1.1 This specification covers UNS N08925, UNS N08354, and UNS N08926 welded pipe for general corrosion applications.

    1.2 This specification covers pipe sizes in schedules shown in Table 1.

    1.3 ASTM International has adopted definitions whereby some grades, such as UNS N08904, previously in this specification were recognized as stainless steels, because those grades have iron as the largest element by mass percent. Such grades are under the oversight of ASTM Committee A01 and its subcommittees. The products of N08904 previously covered in this specification are now covered by Specification A312/A312M.

    1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

    TABLE 1 Dimensions of Welded Pipe

    Note 1—The following table is a partial reprint of Table 1 of ANSI B36.19.

    Note 2—The decimal thicknesses listed for the respective pipe sizes represent their nominal wall dimensions.

    Note 3—1 in. = 25.4 mm.

    Nominal Pipe Size, in.Outside DiameterNominal Wall Thickness, in.
    1/8 0.405 10.29......0.0491.250.0681.730.095 2.41......
    1/4 0.540 13.72......0.0651.650.0882.240.119 3.02......
    3/8 0.675 17.15......0.0651.650.0912.310.126 3.20......
    1/2 0.840 21.340.0651.650.0832.110.1092.770.147 3.730.187 4.75
    3/4 1.050 26.670.0651.650.0832.110.1132.870.154 3.910.218 5.54
    1 1.315 33.400.0651.650.1092.770.1333.380.179 4.460.250 6.35
    11/4 1.660 42.160.0651.650.1092.770.1403.560.191 4.850.250 6.35
    11/2 1.900 48.260.0651.650.1092.770.1453.680.200 5.080.281 7.14
    2 2.375 60.330.0651.650.1092.770.1543.910.218 5.540.343 8.71
    21/2 2.875 73.030.0832.110.1203.050.2035.160.276 7.010.375 9.52
    3 3.500 88.900.0832.110.1203.050.2165.490.300 7.620.43811.12
    31/2 4.000101.600.0832.110.1203.050.2265.740.318 8.08......
    4 4.500114.300.0832.110.1203.050.2376.020.337 8.560.58113.41
    5 5.563141.300.1092.770.1343.400.2586.550.375 9.520.62515.88
    6 6.625168.300.1092.770.1343.400.2807.110.43210.970.71818.24
    8 8.625219.070.1092.770.1483.760.3228.180.50012.700.90623.01
    1010.750273.050.1343.400.1654.190.3659.27 0.500B 12.70B1.12528.58
    1212.75323.850.1563.960.1804.570.3759.52 0.500B 12.70B1.31233.32
    1414.00355.60 0.156C3.960.1884.780.3759.520.50012.70......
    1616.00406.40 0.165C4.190.1884.780.3759.520.50012.70......
    1818.00457.20 0.165C4.190.1884.780.3759.520.50012.70......
    2020.00508.00 0.188C4.780.218C5.540.3759.520.50012.70......
    2222.00558.80 0.188C4.780.218C5.540.3759.520.50012.70......
    2424.00609.60 0.218C5.540.2506.350.3759.520.50012.70......
    3030.00762.00 0.250C6.350.3127.920.3759.520.50012.70......

    A Schedule 5S and 10S wall thicknesses do not permit threading in accordance with ANSI B2.1.

    B These do not conform to ANSI B31.10.

    C These do not conform to ANSI for Welded and Seamless Wrought Steel Pipe (ANSI B36.10).

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A312/A312M Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

    B775 Specification for General Requirements for Nickel and Nickel Alloy Welded Pipe

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

    ICS Code

    ICS Number Code 77.150.40 (Nickel and chromium products)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
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    DOI: 10.1520/B0673-05R11E01

    Citation Format

    ASTM B673-05(2011)e1, Standard Specification for UNS N08925, UNS N08354, and UNS N08926 Welded Pipe , ASTM International, West Conshohocken, PA, 2011,

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