Chalybs Mixtus 1.251 + Chalybs mixtus + O1 (2) 1.251 + Chalybs Mixtus + O1 1.2379 +Chalybs mixtus+D2 1.7035 + Chalybs Mixtus + 5140 D2+Titanium nitridum 1.7035 + Chalybs Mixtus + 5140 Chalybs inoxidabilis 1.7035 + SUS304 1.7225 + Chalybs Mixtus+4140 1.7225 + Chalybs Mixtus+4140 Chalybs mixtus 440C+DLC 1.2379 +Chalybs mixtus+D2 Chalybs mixtus 440C+DLC