... 20Cr, 40Cr, 10CrMoAL, 38CrMoAL, 20CrMnMo, 12CrMoVNi, 30CrMnSiABridge Steel Plate: 1>. Standard: Special Condition Grade: 14MnNbq2>. GB Q235qC, ... #, 25#, 30#, 35#, 40#, 45#, 50# Wear Resistant Steel Plate: Standard: Special ConditionGrade: NM360A, NM360B, NM400A, NM400B ... (L420), X65, X70Quenching and Tempering High Tensile Steel Plate: Standard: Special ConditionGrade: WH70Q, WQ590D, Q550DThe property ...