钒氮微合金化在HRB400E钢筋生产中的应用及研究  

APPLICATION OF VANADIUM-NITROGEN MICRO-ALLOYING IN HRB400E REINFORCING STEEL BAR PRODUCTION

作　　者：柳洪义 徐峰 李哲 轩宗宇 张涛 

机构地区：[1]河钢集团唐钢公司,河北唐山063016

出　　处：《河北冶金》2017年第2期15-19,共5页Hebei Metallurgy

摘　　要：介绍了钒氮微合金HRB400E钢筋的试验情况,探讨了钒氮强化机理。研究了钢筋的成分、生产工艺、金相组织、力学性能,结果表明:采用钒氮微合金化工艺生产的HRB400E钢筋,钢的化学成分和力学性能稳定,金相组织符合国标要求,氮元素对钢筋屈服强度的提高起到了积极作用。The test of vanadium-nitrogen micro-alloying HRB400 E reinforcing steel bar is introduced,the vanadium-nitrogen strengthening mechanism is discussed.The composition,production process,metallographic structure and mechanical properties of the reinforcing steel bar are researched.It is showed from the test that the HRB400 E reinforcing steel bar produced with this process has steady chemical composition and mechanical properties,its metallographic structure meets the national standard,the nitrogen element plays a active role to raise the bar＇s yield strength.

关 键 词：钒氮微合金化 HRB400E钢筋 应用 研究 

分 类 号：TG335.6[金属学及工艺—金属压力加工]