铌铁主成分为铌和铁的铁合金。它还含有铝、硅、碳、硫、磷等杂质。根据合金含铌量分为FeNb50，FeNb60，FeNb70。用铌钽矿生产的铁合金含有钽，称铌钽铁。真空冶炼铁基合金与镍基合金等用铌铁和铌镍合金做铌添加剂。要求气体含量低，有害杂质低，如Pb、Sb、Bi、Sn、As等均<2×10，故冠以“VQ”(真空质量)，如VQFeNb，VQNiNb等。中国生产的铌锰铁合金(Nb10%～15%)用作低合金钢的合金剂与碳素钢的铌处理剂。
misc. ferroniobium
本文以纯铌铁金红石矿物为研究对象，介绍并比较几种捕收剂对其捕收效果的影响。
Effects of several collectors on pure ilmenorutile were studied and compared in this paper.
铌铁生产的地缘不平衡性和供给的高度垄断性以及资源充足、供大于求、价格相对稳定是世界铌铁供求的两大特点。
In FeNb production, unevenness of geography, high monopoly of supply and sufficient resources, supply exceeding demand, relatively stable price are two big characteristics of world FeNb supply-demand.
研究了单独添加不同含量的铌与复合添加铌、钛时激光熔覆铁基原位生成颗粒增强复合涂层的组织特点。
The microstructure of the Fe-based clad composite coating reinforced by in-situ particles was investigated, using laser clad FeCSiB powder added with niobium and titanium.
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