1.2367/X38CrMoV5-3

TOOL STEEL / DIE STEEL

NORM: ISO 4957

APPLICATION:

Steel susceptible to large die casting tools, tools needing high strength at elevated temperatures, forged dies, products under a high load, mandrels and extrusion dies.

MECHANICAL PROPERTIES:

Hardness after	Temperature ºC	Symbol	Value
Soft annealing	–	HB	≤229
Quenching with 1040 ºC in oil	–	HRC	56
Quenching with 1040 ºC in oil and tempering (cooling during quenching can be performed gradually in the hot bath at around 500-550 ºC and then cooled in the air)	550	HRC	≥50
	350	HRC	52
	400	HRC	53
	450	HRC	53.5
	500	HRC	54
	550	HRC	54
	600	HRC	51.5
	650	HRC	4.,5

PHYSICAL PROPERTIES:

Property	Unit	Value
Density, ρ	g*cm-3	7.82
Thermal expansion, α20-100ºC)	K-1	12.7*10-6
Thermal conductivity, λ20ºC)	W*m-1*K-1	36

Technological treatment processes:

Technological treatment processes			Possible application	Temperature, °C
Hot forming	Forging		+	1050-850
	Rolling		+	1050-850
Treatment	Heat treatment	Quenching	+	1030-1070
		Tempering	+	500-600
	Precipitation strengthening	Supersaturation	–	–
		Ageing	–	–
	Annealing	Soft anealing	+	800-840
		Stress relieving	+	600-700
Thermochemical treatment	Nitriding		+	470-550
	Other		–	–

INTERNATIONAL STEEL GRADES: