微合金化技术是 2 0世纪 70年代在国际冶金界出现的新型冶金学科 微合金化钢是采用现代冶金生产流程生产的高技术钢铁产品 它是在普通的低碳Ｃ Ｍｎ钢中添加微量 (通常小于0 1% )的强碳氮化物形成元素 (如 :铌、钒、钛等 )进行合金化 ,通过高纯洁度的冶炼工艺 (脱气、脱硫及 Microalloying technology is a new metallurgical discipline that emerged in the international metallurgical industry in the 1970s. Microalloyed steels are high-tech steel products made using modern metallurgical processes. They are made by adding trace amounts to ordinary low-carbon C Mn steels (usually Less than 0 1%) of the strong carbonitride forming elements (such as: niobium, vanadium, titanium, etc.) alloying through high purity smelting process (degassing, desulfurization and