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一、引言含钛汽车大梁板T52L是武钢热轧厂的优质产品之一。 T52L,是在低碳钢中加入我国富有的资源—钛,进行控制轧制,利用形变诱导析出的第二相碳化钛抑制再结晶并使晶粒细化;这些弥散的碳化钛质点同时又起到沉淀强化的作用;通过化学成分的调整和轧制工艺的控制,使钢材具有不同等级的强度。几年来,热轧厂通过创国优活动,使T52L的产品质量有了进一步的提高。围绕T52L创国优这一目标,在公司各主管部门、
I. Introduction Titanium car beam plate T52L is one of the high quality hot-rolled products of WISCO. T52L is to join China’s rich resources - low-carbon steel, titanium, controlled rolling, the use of deformation induced precipitated second-phase titanium carbide inhibit recrystallization and grain refinement; these dispersed titanium carbide particles at the same time To strengthen the role of precipitation; through the chemical composition of the adjustment and control of the rolling process, the steel has different levels of strength. In recent years, the hot rolling mill through a national excellent activity, so that T52L product quality has been further improved. Around the T52L a national excellent this goal, the company’s competent departments,