... and forgings:Tubing, bar, flange, casting valve parts etc * F44, F51, F53, F55, F60 Duplex Steel Casting1. Meterial: Super duplex F512. Process ... by the company include Austenite stainless steel (CF8, CF3, CF8M, CF3M etc.), dual phase steel, alloy cast steel, nickel-base superalloy (K211, K214, K403 ...