5H2MNF (DI32)
Another designation DI32. Temperature of critical points: Ac1 = 740, Ac3 (Acm) = 815, Ar3 (Arcm) = 730, Ar1 = 650, Mn = 210. Hardness after annealing (GOST 5950−2000): HB 10 -1 = 255 MPa.
for large solid punches (diameter 600 mm) for punching forgings of structural steels and superalloys hammers and crank presses; clamping and molding inserts, typesetting and molding puasonov landing structural steels and superalloys gorizontalnokovochnyh machines; hot cutting knives