... Standard: Special ConditionGrade: 50Mn2V, 15CrMo, 20Mn2, 40Mn2, 20MnSi, 20CrMo, 30, 35CrMo, 42CrMo, 20Cr, 40Cr, 10CrMoAL, 38CrMoAL, 20CrMnMo, 12CrMoVNi, ... >. ASTM 10252>. GB 20Mn, 50Mn, 10#, 20#, 25#, 30#, 35#, 40#, 45#, 50# Wear Resistant Steel Plate: Standard ... : Special ConditionGrade: NM360A, NM360B, NM400A, NM400B Mould Steel Plate: Standard: Special ConditionGrade: S48-50C, P20 / ...