30H2NMFA (30H2NMF)
For the manufacture of forgings (forging groups IV and V) gears and gear wheels, shafts, bushings, and clips gear couplings compressor machines; forgings shaft compressor units and gas turbines; critical parts of high strength and toughness, working in conditions of re-variable loads (crankshafts, gears, connecting rods, etc.); parts of large cross section, requiring high hardenability.