... : 20-45#, 20Mn-65Mn, 08F American Standard A36 & European Standards, American Standard 3. Hot rolled low-ally high strength steel ... : Q345A, B C, D, E; Q390A, B, 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 ...