Hot Rolled Flat Steel Material & Specifications: Hot Rolled Flat Steel / Material Type 1/ Material Type 2/ Size 1/ Size 2/Size 3 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 / 8*50 / 13*85/ 16*100 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 /9*50 / 6*90 / 20*100 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235/10*50 /8*90 / 15.5*105 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 /65*63 /10*90 /14.5*110 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 /8*63 / 11*90 /10*120 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 /10*63 /12*90 /11*120 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 / 8*70 / 13*90 /14.5*120 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 /11*70 / 16*90 / 15.5*120 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 /12*70 / 20*90 / 16*120 Hot Rolled Flat Steel / 60si2Mn / 65Mn Q235 /10*75 / 10*100 /20*120