Pipe Fittings Stainless Steel: ASTM A 403 Grade: WPS/WPW 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H Carbon Steel: ASTM A 234 Grade: . WPB/WPBW, (IBR/Non IBR) Alloy Steel: ASTM A 234, Gr. WP1, WP11, WP22, WP5, WP9, WP91, (IBR/Non IBR) Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy 904 Copper Alloys: Aluminium, Copper, Brass & Gunmetal Types : Elbow, Tee, Reducer, Return Bends, Stub-Ends, Cap, Colla, Cross, Insert, etc. Size : 1/8"NB TO 48"NB. (seamless &