1) Type: High Pressure Pipe Fittings 2) Size: NPS1/2-120 3) Varieties: STD, ... (CS pipe fittings), mild steel pipe fittings(MS pipe fittings), alloy steel pipe fittings(AS pipe fittings), stainless steel pipe fittings ... steel: ASTM A234 GR WPB , ST37.2 , ST35.8 , A105……alloy steel: A234 WP5/WP9/WP11/WP22/WP91, A420 WPL6, A860 ...