Nickel Clad Copper Bars 1.Standards:GB/T12769-2003 2.D:( ... . The following is materials standards, Standards:GB/T12769-2003Coat:Ti,Ni,Zr,Stainless Steel 316L, etc.Base:Cu(T2,TU2),AL ... of composites, processed materials and various products of Ti,Zr,Ni,and Cu metals.Service Introduction:Technical Production deportment and Strict ...