... 450/500 NM360, NM400 A B D E NM500 NM600 HARDOX STEEL 2.HARDOX400/450/500 3.Thickness ... :8-150mm NM500 wear plate1.Thickness:5-200mm2.-Width:above1500mm3.-length: ... 1000-12000MM as required4.Materials:NM500,NM450,NM400A,NM360B,ZG65Mn,NM360A,5.ZG35Cr28Ni16,ZG30Cr20Ni106. ... mechanical properties are obtained by heat treatment NM500 Wear plate