Ultra-low carbon cold-rolling deep-punching glassed steel and method of production

The present invention relates to ultralow carbon cold rolled deep drawing glass-lined steel and its production process. The glass-lined steel has the chemical components including C 0.002-0.005 wt%, Si 0.004-0.020 wt%, Mn 0.08-0.13 wt%, P 0.006-0.020 wt%, S 0.01-0.035 wt%, Als 0.010-0.040 wt%, Ti 0.05-0.09 wt%, N not more than 0.004 wt%, and Fe and inevitable impurities for the rest. The steel of the present invention is superior to IF steel, and has raised Ti and S contents for effective separation of biphase Ti4C2S2 particle, and effective fixing of H atom to avoid scale burst of enamel. It has excellent deep drawing performance and excellent enameling performance.