Special Material Valve:Titanium,Nickel Alloy,Zirconium,Nickel-Al Bronze,Super(Dulex), Nickel-Al Bronze,347, 321, 310, etc. Design and Manufacturing special ... quality and delivery NO CASTING Materials: Titanium Materials: GR 2, GR5, GR7 Nickel alloy (Hastelloy®, Incoloy®, Inconel®, Monel®, Alloy 20,)Zirconium (702/705)(Super ...