Hot Rolled Annealed and Pickled Flat Bars: (Wall thickness x Width) (mm) 4x 25, 30, 35, ... 40, 45, Hot Rolled Annealed and Pickled Flat Bars: (Wall thickness x Width) (mm) 4x 25, 30, 35 ... , 105, 110, 115, 120, 125, 130, 140, 150 Cold Drawn Flat Bars: (Wall thickness x Width) (mm) 3x 25, 30, 35 ...