... , B, C, D JIS SS400, American Tandard, Japanese Standard 2. Hot rolled quality carbon steel plate Thickness: 6mm-400mm Material Quality ... -45#, 20Mn-65Mn, 08F American Standard A36 & European Standards, American Standard 3. Hot rolled low-ally high strength steel plate ... E; Q390A, B, C & European Standards, American Standard 4. Hot rolled boiler steel plate Thickness: 6mm-80mm Material Quality: 16Mng, ...