Hot Rolled Annealed and Pickled Round Bars: Dia. (mm) 12, 14, 16, 18, 20, 22, 25, 27, 28, 30, 32, 35 Hot Rolled Annealed and Pickled Round Bars: Dia. (mm) 12, 14, 16, 18, 20, 22, 25, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 50, 52, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 110, 120, 130.