By adding not more than 0.1% N in Cr23Ni18 steel, the strength (especially yield strength) of the forgings improved significantly.

• 新工艺通过向钢中添加不超过0.；1%25的微合金元素氮；使得Cr23Ni18锻件强度(尤其是屈服强度)有了明显提高。