Wrought High-strength Low-Alloy Steel Butt-Welding Fittings.Scope – This specification covers wrought high-strength low-alloy steel butt-welding fittings of seamless and electric fusion-welded construction covered by the latest revisions of ANSI B16.9, ANSI 16.28 and MSS-SP-75, Butt-welding fittings differing from ANSI and MSS standards shall be furnished in accordance with the Supplementary Requirements S9, This Fittings are for use in High-Pressure gas and oil transmission and distribution systems.WPHY 42 FittingsWPHY 46 FittingsWPHY 52 FittingsWPHY 60 FittingsWPHY 65 FittingsWPHY 70 Fittings
