ASTM A 234/A 234M - 07 Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service

American Society for Testing and Materials (ASTM). Current edition approved March 1, 2007. Published April 2007. Originally approved in 1940. Last previous edition approved in 2006 as A 234/A 234M – 06a. 8 p. This specification covers wrought carbon steel and alloy steel fittings of seamless and welded construction covered by the latest revision of ASME B16.9, B16.11, MSS-SP-79, MSS-SP-83, and MSS-SP-
95. These fittings are for use in pressure piping and in pressure vessel fabrication for service at moderate and elevated temperatures.