... Tandard, Japanese Standard 2. Hot rolled quality carbon steel plate Thickness: 6mm-400mm Material Quality: 20-45#, 20Mn-65Mn ... C & European Standards, American Standard 4. Hot rolled boiler steel plate Thickness: 6mm-80mm Material Quality: 16Mng, 20g, 15GMng, 12G1Movg ... & European Standards, DIN 5. Hot rolled pressure vessel plate Thickness: 6-80mm Material Quality: 20R, 16MnR, 15MoR, 16MnDR ...