Alloy steel owe their properties to the presence of one or more elements other than carbon, namely nickel, chromium, manganese, molybdenum, tungsten, silicon, vanadium, and copper.

Shasonggang Co(Cu, Ni) deposit occurs in Laoling Group, rich boron, carbon clay rock with siliceous rock formation, Paleoproterozoic rift trough folded belt, which is the domestic a new type deposit.

The results show that the melting point of brazing alloy is constant when the content of boron and silicon is reduced and the right amount of copper is added in.