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:

CMnSiPSCrMoWVCoCuNi
1,15- 1,240,15 -0,30,15 -0,3MAX 0,025MAX 0,025MAX 0,15----MAX 0,2MAX 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
Rolling
Treatment Heat treatment Quenching + 760-780
Tempering + 180-300
Annealing 600-700
Soft annealing Above Ac1 + 750-780
Below Ac1 + 680-710
Thermochemical treatment Nitriding
Other