ASTM A 381-96 (Reapproved 2005) Standard Specification for Metal-Are-Welded Steel Pipe for Use With High-Pressure Transmission Systems

American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2005. Published October 2005. Originally approved in 1954. Last previous edition approved in 2001 as A 381 – 96 (2001). 5 p. This specification covers straight seam, double submerged-are-welded steel pipe suitable for high pressure service, 16 in. (406 mm) and larger in outside diameter, with wall thicknesses from 5/16 to 1 V2 in. (7.9 to 38 mm). The pipe is intended for fabrication of fittings and accessories for compressor or pump-station piping. Pipe ordered to this specification shall be suitable for bending, flanging (vastoning), corrugating, and similar operations.