Work materials were SUS303, SUS303Cu, SUS304 and SUS316, the contents of the additives, such as S, Ca, Cu and Bi were varied and the steels were melted in furnaces of a commercial scale and a vacuum induction furnace were used.

• 试验材料为SUS303、SUS303Cu、SU304和SUS316。 添加元素如硫、钙、铜、铋添加在不同的钢里,用一个工业用的熔炼炉和真空感应炉炼钢。