Iipleyiti zekhabhoni zentsimbi ze-NM400 ziyaziwa ngokuxhathisa kwazo ukunxiba okuphezulu kunye nokuqina, zibenza ukuba zikhetho oluthandwayo kwizicelo ezifunayo. Iphawulwe ngobunzima obukhethekileyo be-400 HBW (Brinell Hardness), ezi zicwecwe zenzelwe ukumelana nokuqina okuntu ukusetyenziswa komsebenzi, Ukuqinisekisa ukuphila ixesha elide kunye nokuthembeka kumashishini ahlukeneyo. Enye yezibonelelo eziphambili ze-NM400 kukungaqhelekanga kwayo