Steel susceptible to cutting punching stamping, shear blades, bending tools, blanking dies and punches, form rolls, cold mandrels, and knives for high performance wood planing machines, moulds for plastic processing and embossing dies
CHEMICAL COMPOSITION:
C
Si
Mn
P
S
Cr
Mo
W
V
Co
Ni
0,95-1,05
0,10-0,40
0,40-0,80
Max 0,030
Max 0,030
4,80 - 5,50
0,90 - 1,20
-
0,15 - 0,35
-
-
MECHANICAL PROPERTIES:
Hardness after
Tempering ºC
Symbol
Value
Soft annealing
–
HB
≤241
Quenching with 970 ºC in water
–
HRC
64
Quenching with 970 ºC in water and tempering
180
HRC
≥60
200
HRC
62
250
HRC
60.5
300
HRC
59
350
HRC
58
400
HRC
59
450
HRC
59.5
500
HRC
58
PHYSICAL PROPERTIES:
Property
Unit
Value
Density, ρ
g*cm-3
7.75
Thermal expansion, α20-100ºC)
K-1
10.7*10-6
Thermal conductivity, λ20ºC)
W*m-1*K-1
21
Technological treatment processes:
Technological treatment processes
Possible application
Temperature, °C
Hot forming
Forging
+
1050-850
Rolling
+
1050-850
Treatment
Heat treatment
Quenching
+
960-980
Tempering
+
170-550
Precipitation strengthening
Supersaturation
–
–
Ageing
–
–
Annealing
Soft annealing
+
800-840
Stress relieving
+
600-700
Thermochemical treatment
Nitriding
–
470-550
Other
–
–
INTERNATIONAL STEEL GRADES:
ISO
CEN
Russia
X100CrMoV5
ISO 4957:1999
X100CrMoV5
EN ISO 4957:1999
–
–
US
Japan
China
A2
ASTM A 681-91
SKD 12
JIS G 4404-1983
Cr5Mo1V
GB 1299-85
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