含钒钢中增氮,促进了碳氮化钒的析出,增强了钒的沉淀强化作用,大幅度提高钢的强度.因此,氮是含钒钢一种经济有效的合金化元素.通过充分利用廉价的氮元素,钒氮微合金化钢在保证相同的强度水平下,可节约钒的用量,降低钢的成本.V-N微合金化技术在高强度钢筋、结构钢板带及型钢、无缝钢管、非调质钢、高碳钢线棒材以及高速工具钢等产品中获得了广泛应用.
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