ASTM A338-84(2004)

    Standard Specification for Malleable Iron Flanges, Pipe Fittings, and Valve Parts for Railroad, Marine, and Other Heavy Duty Service at Temperatures Up to 650°F (345°C)

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    1. Scope

    1.1 This specification covers malleable iron flanges, pipe fittings, and valve parts, including parts to be assembled for use in railroad, marine, and other heavy duty service applications where fittings furnished in accordance with American National Standard for Malleable Iron Threaded Fittings, Class 150 and 300 (ANSI B16.3) are not considered adequate.

    1.2 Service shall include up to 650°F (345°C).


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

    Other Standards

    HandBookH28, Section VI, Screw-Thread Standards for Federal Services, 1944 Available from National Institute of Standards and Technology (NIST), 100 Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov.

    SP-25-1936 Standard Marking System for Valves, Fittings, Flanges, and Unions Available from Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss-hq.org.

    ASTM Standards

    A47/A47M Specification for Ferritic Malleable Iron Castings

    A153/A153M Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

    American National Standards

    B 16.3 Malleable Iron Threaded Fittings, Class 150 and 300

    B 2.1 Pipe Threads


    ICS Code

    ICS Number Code 23.040.40 (Metal fittings)

    UNSPSC Code

    UNSPSC Code 31101619(Malleable iron sand casting)


    DOI: 10.1520/A0338-84R04

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