... . welding material:1. contains CuCrZr(C18150),CuCr(C18200),CuZr(C15000),CuBeNi(C17510),CuNi2SiCr(C18000)2. specification can be Rod, Bar, Flat, Disc3. with ... have been exported to many countries all over the world. welding material with high hardness and conductivity