ASTM A 860/A 860M-10 Standard Specification for Wrought High - Strength Ferritic Steel Butt - Welding Fittings

American Society for Testing and Materials (ASTM). Current edition approved Nov. 1, 2010. Published December 2010. Originally approved in 1986. Last previous edition approved in 2009 as A860/A860M–09. 5 p. This specification covers wrought high – strength ferritic steel butt-welding fitting of seamless and electric and fusion-welded construction covered by the latest revision of ASME B16.9 and MSS-SP-75 . Butt-welding fittings differing from these ASME and MSS standards shall be furnished in accordance with Supplementary Requirements S58 of specification A960/A960M . These fittings are for use in high – pressure gas and oil transmission and distribution system