文摘:介绍了用铜合金化钢的新进展，探讨了铜在钢中的有益作用，指出在钢中加入铜，可以提高钢的耐蚀性、强度，改善焊接性、成型性与机加工性等。

• Abstract: The progress of alloying steel with copper is introduced,the benefits of copper in steels are investigated.It is pointed out that copper in steels can improve corrosion resistance,strength,weldability,formability,machinability and so on.