HRB400E含镍铬钢筋的试制  

HRB400E grade steel rebar containing Ni/Cr

作　　者：戴晓天[1] 周和敏[1] 李卫[2] 齐渊洪[1] 

机构地区：[1]钢铁研究总院先进钢铁流程及材料国家重点实验室,北京100081 [2]钢铁研究总院功能材料研究所,北京100081

出　　处：《钢铁》2016年第2期84-89,共6页Iron and Steel

基　　金：国家科技支撑计划资助项目(2013BAE01B04;2012BAB14B00)

摘　　要：根据某企业以红土镍矿为高炉配矿,因此铁水、钢水中含镍铬元素的特点,提出充分利用镍、铬元素的强化作用开发HRB400E级高强抗震钢筋的研究思路。通过实验室试验,研究了在20Mn Si的基体上镍、铬元素的作用规律,优化了钢筋中的镍、铬质量分数。开发的HRB400E级含镍、铬钢筋,镍、铬元素质量分数均为0.2%,力学性能完全满足国家标准的要求,并且无需添加铌(钒)等其他微合金元素。There are residual Ni and Cr elements in hot metal and steel,as lateritic nickel ore is used as one of blast furnace raw material. A new kind of HRB400 E grade high- strength anti- seismic reinforcement bar is developed by making full use of residual Ni/Cr elements in steel. Based on 20 Mn Si steel,Ni/Cr effects on rebar＇s mechanical properties were studied and Ni/Cr content in rebar is optimized. Both Ni and Cr content are 0.2% in new type HRB400 E grade rebar. Without adding other micro-alloying elements,such as Nb or V,rebar＇s properties could meet the requirements of China national standard.

关 键 词：微合金化 含镍铬钢筋 高强钢筋 抗震钢筋 红土镍矿 

分 类 号：TG142.1[一般工业技术—材料科学与工程]