Forged Steel Forged Steel Gate, Globe & Check Valves to API 602/606 & BS.5352. Class 800, 1500 & 2500lb with Threaded, Socket Weld and Butt-Weld Ends. Class 150, 300, 600, 1500 & 2500lb Flanged RF, RTJ and Hubb Ends. Materials:- Standard Carbon Steel - ASTM A105N Low Temperature Carbon Steel - ASTM A350 LF2 Stainless Steel - ASTM A182 F316, F316L, F304, F304L, F321, F347 & F347H Chrome Moly - ASTM A182 F1, F5, F9, F91, F11 & F22 Specials - Duplex, Super Duplex, Monel, Hastelloy, 3.1/2 Nickel, Titanium, Inconel, Incoloy, Zirconium etc., Other - Cryogenic, Actuated, NACE etc.,