... rolling and colling . Hot rolled steel sheets and strips : Which steel type include carbon steel,low alloyed ... of the thickness equal to cold rolled strips and good mechanical properties .Ultra thin gauge ... to save weight or replace cold rolled strips, so the total costs can be reduced ... QSTE460TM, QSTE500TM,ZJ450MC,ZJ450W,ZJ500MC,ZJ450W,ZJ500MC,ZJ500W,SPA-H.SAPH370,SAPH440.3:High strength steel,Type ...