... Tin,Silver-Copper-Zinc-Cd,Copper-Zinc,Aluminum base copper welding rods / brazing rods / solder rodsPhos-Copper-Silver ... :High silver brazing alloy is composed of silver or silver based alloy.lt makes perfect welding effect with low ... ,well corrosion resistance,it can be used for welding all ferrous and nonferrous metals except of Aluminum, ... ,Sn/Zn plated steel parts. copper brazing alloy welding rod