通过对∮32螺HRB400三级钢冶炼过程的跟踪和对比，分析钒铁、氮化钒和氮化钒铁三种钒合金化后，钢中钒的成份控制、钢筋性能和吨钢成本控制等方面进行统计和分析，得出冶炼三级钢钒合金化的合理利用，提高了承钢螺纹钢在市场上的竞争力。
Though shadowed and contrasted making steel process of ∮32 HRB400 deformed steel bar,After alloying FeV and VN and FeVN ，Statistics and analyze Control chemical composition of V and Properties of deformed bar and Control costs,Obtain reasonable of making third class deformed steel bar,Icrase competitive strength of deformed steel bar in chengde iron and steel company。
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