Elbow: The material:HP-Nb,Supertherm,G-NiCr28W(22H),or according to requirement;Process:Precision Casting,Sand Casting Precision Cast Elbow( Static casting ):1. The material:HP-Nb(ZGCr25Ni35Nb), Supertherm(ZG50Cr26Ni36Co15W5),G-NiCr28W(22H,2.4879,Cr28Ni48W5),Super 22H,or according to requirement.2. Process:Precision Casting,Sand Casting.3. Specification:According to the drawing and requirementWe ...