 a final cold rolling reduction ratio and {TAIL ~ a final annealing temperature} in {HEAD ~ a range} of 750 900° C. are combined in accordance with a recrystallization property of the steel so that the ferrite crystal grain diameter after plating becomes 10 100 μm 
a final cold rolling reduction ratio and { TAIL ~ a final annealing temperature } in { HEAD ~ a range } of 750 900 ° C. are combined in accordance with a recrystallization property of the steel so that the ferrite crystal grain diameter after plating becomes 10 100 μm
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH