... , Q345GJC, Q390GJC, Q420GJC, Q460GJCHigh Quality Carbon Steel Plate: 1>. ASTM 10252>. GB 20Mn, 50Mn, 10#, 20#, 25#, 30#, 35#, 40#, 45#, 50 ... # Wear Resistant Steel Plate: Standard: Special ConditionGrade: NM360A, NM360B ... plates as customers' requirement. SPCC ST37 DC01 cold rolled steel plate and steel sheet