... pressure vessel"JB/T4745-2002 "titanium welding vessel"JB/T4756-2004 "nickel ... of material:The kettle body: titanium, nickel, zirconium, tantalum, titanium clad steel plate, nickel steel, ... composite plate, zirconium clad steel plate, tantalum clad steel plate.Agitation: titanium, nickel, zirconium, tantalumJacket: titanium, nickel, zirconium, tantalum ...