Wood and rubber knives. Screw taps and circular saws for cold metal cutting. Engraving tools and coining punches.
CHEMICAL COMPOSITION:
C
Mn
Si
P
S
Cr
Ni
Mo
W
V
Co
1,10-1,25
0,15-0,45
0,15-0,40
Max 0,030
Max 0,030
-
-
-
1,10-1,50
-
-
MECHANICAL PROPERTIES:
Hardness after
Tempering ºC
Unit
Value
Softening
–
HB
229
Quenching with 790 ºC in water
–
HRC
62
Quenching with 790 ºC in water and tempering
180
HRC
60
Technological treatment processes:
Technological treatment processes
Possible application
Temperature, °C
Forming processes
1000-800
Heat treatment
Thermal hardening
Quenching (water)
780-800
Tempering
220-320
Precipitation hardening
Supersaturation
–
Ageing
–
Softening
Above Ac1
770-790
Below Ac1
690-710
Thermochemical treatment
Nitriding
–
Other
–
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