合理利用资源开发节钒型含镍铬HRB500E钢筋

doi:10.13228/j.boyuan.issn0449-749x.20150208

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摘要根据企业原料特点（红土镍矿作为高炉炼铁配矿），提出充分利用铁水/钢水中的镍铬元素，开发资源节约型高强抗震钢筋的思路。在20MnSi钢的基础上，根据HRB500E级钢筋的性能要求进行成分设计，研究了镍、铬、钒等合金元素质量分数对钢筋力学性能的影响。结果表明，钢中镍、铬元素质量分数均为0.25%时，钒质量分数可以降低至0.062%，即满足HRB500E级钢筋的力学性能要求；而钢中不含镍、铬元素时，钒质量分数须达到0.11%才能满足性能要求。含镍铬HRB500E钢筋的钒加入量仅相当于不含镍铬的钒钢的56.36%，节钒效果显著。这种高强钢筋生产方法不仅节约了钒资源，还实现了对难处理的低品质红土镍矿的有效利用。

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	戴晓天
	周和敏
	李卫
	齐渊洪
	王长城

关键词 ：红土镍矿, 钒微合金化, 含镍铬钢筋, 高强钢筋, 抗震钢筋

Abstract：A new method of producing resource saving， high strength， anti-seismic steel rebar was proposed， which could make full use of Ni， Cr elements in hot metal/liquid steel， as lateritic nickel ore was used as one of BF raw material. On the basis of 20MnSi steel， chemical components were designed according to the requirements of HRB500E grade rebar of China national standard. The effects of alloy elements， such as Ni， Cr and V on the mechanical properties of rebar were studied. The results show that， the mechanical properties of rebar met the requirements of HRB500E grade steel when the contents of Ni， Cr contents were 0.25% and the content of V reduced to 0.062%. As for the rebar which did not contain Ni， Cr elements， V content should reach 0.11% to meet the performance requirements of HRB500E grade. V content of HRB500E rebar which contains Ni and Cr is only equivalent to 56.36% of rebar without Ni and Cr. Hence， the effect of vanadium saving is obvious. This method not only saves the resource of vanadium， but also realizes the effective utilization of low-quality lateritic ore.

Key words： lateritic nickel ore vanadium micro-alloying Ni, Cr containing rebar high-strength rebar anti-seismic rebar

收稿日期: 2015-05-14 出版日期: 2016-01-06

引用本文:

戴晓天，周和敏，李卫，齐渊洪，王长城. 合理利用资源开发节钒型含镍铬HRB500E钢筋[J]. 钢铁, 2016, 51(1): 76-81. DAI Xiao-tian，ZHOU He-min，LI Wei，QI Yuan-hong，WANG Chang-cheng. Development of HRB500E rebar containing Ni/Cr and vanadium saving by rational resource utilization. Iron and Steel, 2016, 51(1): 76-81.

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http://www.chinamet.cn/Jweb_gt/CN/10.13228/j.boyuan.issn0449-749x.20150208 或 http://www.chinamet.cn/Jweb_gt/CN/Y2016/V51/I1/76

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