M – Rostfreier Stahl, M2Materialklassifizierung:
1.4362 (X2CrNiN23-4 (Ally 2304))1.4462 (X2CrNiMoN22-5-3)1.4501 (X2CrNiMoCuWN25-7-4)1.4871 (X53CrMnNiN21-9)1.4310 (X9CrNi18-8, X10CrNi18-8)