ASTM A338-84(1998) Standard Specification

-84(1998) 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)

Steel pipe with beveled ends

The BE implementation is applied to all diameters of buttweld flanges or buttweld fittings, and will be directly welded (with a small gap 3-4 mm) to each other or to the pipe.

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.

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

Referenced Documents (purchase separately)

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

  • B16.3 Malleable Iron Threaded Fittings, Class 150 and 300
  • SP-25-1936 Standard Marking System for Valves, Fittings, Flanges, and Unions

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