N12E/1.1663/CT120 - Akrostal - minőségi acélok értékesítése

COLD WORK TOOL STEEL

NORM: PN-84/H-85020

APPLICATION:

Steel susceptible to the steel files, metal working tools (with a low machinability), steel tools for millstone and grindstone dressing, pull broaching rings for pipes, paper knives and engraving tools.

CHEMICAL COMPOSITION:

C	Mn	Si	P	S	Cr	Mo	W	V	Co	Cu	Ni
1,15- 1,24	0,15 -0,3	0,15 -0,3	MAX 0,025	MAX 0,025	MAX 0,15	-	-	-	-	MAX 0,2	MAX 0,2

MECHANICAL PROPERTIES:

Hardness after	Tempering ºC	Symbol	Value
Soft annealing	–	HB	Max. 207
Quenching with 760–780 ºC in water	–	HRC	63

Technological treatment processes:

Technological treatment processes			Possible application	Temperature, °C
Hot forming	Forging		+	1000-800
Hot forming	Rolling
Treatment	Heat treatment	Quenching	+	760-780
	Heat treatment	Tempering	+	180-300
	Annealing			600-700
	Soft annealing	Above A_c1	+	750-780
	Soft annealing	Below A_c1	+	680-710
Thermochemical treatment	Nitriding		–	–
Thermochemical treatment	Other		–	–