... forgings:Tubing, bar, flange, casting valve parts etc * F44, F51, F53, F55, F60 Duplex Steel Casting1. Meterial: Super duplex F512 ... Main materials of our products: The casting materials explored by the company include Austenite stainless steel (CF8, CF3, CF8M, CF3M etc ... steel, alloy cast steel, nickel-base superalloy (K211, K214, K403, K416 etc.),Hastelloy, Monel alloy, cobalt-base alloy, and Iron- ...