NC6/1.2063/145Cr6

COLD WORK TOOL STEEL

NORM: PN-86/H-85023

APPLICATION:

Steel susceptible to tools for cold drawn pipes, small and medium sized punching and blanking dies, rollers adjusted for sheet metal processing, thread cutting tools, wood tools and measuring instruments, reamers.

MECHANICAL PROPERTIES:

Hardness after	Tempering ºC	Symbol	Value
Soft annealing	–	HB	≤248
Quenching with 820 ºC in oil	–	HRC	62
Quenching with 820 ºC in oil and tempering	150	HRC
	180	HRC	60
	200	HRC	61
	250	HRC	59
	300	HRC	56

Technological treatment processes:

Technological treatment processes			Possible application	Temperature, °C
Hot forming	Forging		+	1000-850
	Rolling		+	1000-850
Treatment	Heat treatment	Quenching	+	810-830
		Tempering	+	150-260
	Precipitation strengthening	Supersaturation	–	–
		Ageing	–	–
	Soft annealing	Above Ac1	+	770-790
		Below Ac1	+	690-710
Thermochemical treatment	Nitriding		–	–
	Other		–	–

INTERNATIONAL STEEL GRADES: