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Abstract
Small addition of titanium (∼0·01 wt-%) to low carbon (∼0·04 wt-%) aluminium killed extra deep drawing quality steel resulted in a decrease in strain aging as well as a decrease in plastic anisotropy after cold rolling and annealing. The extent of decrease in both the strain aging and plastic anisotropy was found to be a function of Ti/N ratio. It was found that at a Ti/N ratio of 2·4, the aluminium killed low carbon steel was completely non-aging after cold rolling and annealing. However, there was also a concomitant decrease in the plastic anisotropy with the increase in Ti/N ratio. The average plastic anisotropy ratio r avg decreased from a value of 1·8 in steels with no titanium (Ti/N=0), to a value of 1·4 in steels with Ti/N=2·4.