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钒微合金化技术在CSP线HSLA钢生产中的应用 被引量:6

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摘要 主要对钒微合金在马钢CSP线生产HSLA钢上的应用情况进行了分析。采用钒微合金工艺试制的Q345D钢其屈服强度平均为447MPa,抗拉强度平均为517MPa,伸长率平均为28.1%,韧脆转变温度点在-50~-60℃之间,Q345D钢中增加氮含量有利于细化晶粒提高强度。采用复合微合金化CSP试制的Q460D钢的屈服强度为475-510MPa,抗拉强度为580-610MPa,伸长率为24%~27.5%,冲击韧性良好。
出处 《钢铁研究学报》 CAS CSCD 北大核心 2005年第B08期73-76,共4页 Journal of Iron and Steel Research
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