The method includes hot rolling {HEAD ~ an extra low carbon steel slab} containing titanium and {TAIL ~ columbium} to sheet or strip, cold rolling, box annealing and temper rolling 
containing
The method includes hot rolling { HEAD ~ an extra low carbon steel slab } containing titanium and { TAIL ~ columbium } to sheet or strip , cold rolling , box annealing and temper rolling
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH