【摘要】 介绍了昆钢采用氮化增强剂、铌微合金化生产HRB400钢的实践,对钢筋的金相组织、焊接性能及时效性进行了分析研究,并对经济效益进行了评价。更多还原

【Abstract】 This paper introduces the practice of refining HRB400 steel grade by adoption of the nitrification intensifier and Nb-microalloying process in KISC and in the meanwhile analyzes and studies the fine textur of reinforcing steel bars and welding performance as well as aging,and evaluates the economic and social efficiencies.更多还原