ASTM A 989/A 989M - 07 Standard Specification for Hot Isostatically-Pressed Alloy Steel Flanges, Fittings, Valves, and Parts for High Temperature Service

American Society for Testing and Materials (ASTM). Current edition approved Sept. 1, 2007. Published October 2007. Originally approved in 1998. Last previous edition approved in 2005 as A 989/A 989M – 05. 8 p. This specification covers hot isostatically-pressed, powder metallurgy, alloy steel piping components for use in pressure systems. Included are flanges, fittings, valves, and similar parts made to specified dimensions or to dimensional standards, such as in ASME Specification B16.5.8 p.