... . 1. hot rolled medium plate, plain carbon steel plate thickness: 6mm-400mm,Material Quality: Q235A,B ... , ASTM, JIS 2. hot rolled quality carbon steel plate Thickness: 6mm-400mm Material Quality: 20-45 ... , 08F ASTM A363. hot rolled low-ally high strength steel plate Thickness: 6mm-200mm Material Quality: Q345A ... ,C & EN, ASTM 4. hot rolled boiler steel plate Thickness: 6mm-80mm Material Quality: 16Mng,20g, ...