This paper reviews the N2-pressuried smelting technology of high nitrogen steel and describes the method of big smelting bath(BSB) which is suitable for smelting high nitrogen steel in mass production under pressure.

• 在综述氮气加压熔炼高氮钢技术的基础上,指出了大熔池法(BSB)适合于工业化大规模制备高氮钢;