The same usage as NC11 steel. Steel susceptible to the tools which require ductile core; such as cutting, punching stamping tools, pull broaches, , mills, shear blades reamers, thread rolling dies, cold extrusion dies rolls for rolling and striking, cutters for nail production, drawing and bending tools, anvils for scythe forging, fine cutting tools, marble, flanging and strengthening tools, moulds for abrasive polymers.
CHEMICAL COMPOSITION:
C
Si
Mn
P
S
Cr
Mo
W
V
Co
Ni
1,45-1,60
0,10-0,60
0,20-0,60
Max 0,030
Max 0,030
11,00-13,00
0,70-1,00
-
0,70-1,00
-
-
MECHANICAL PROPERTIES:
Hardness after
Tempering ºC
Symbol
Value
Soft annealing
–
HB
≤255
Quenching with 1020 ºC in the air
–
HRC
64
Quenching with 1020 ºC in the air and tempering
180
HRC
≥61
200
HRC
62
250
HRC
61
350
HRC
59
400
HRC
59
450
HRC
59.5
500
HRC
59.5
550
HRC
57
PHYSICAL PROPERTIES:
Property
Unit
Value
Density, ρ
g*cm-3
7.65
Thermal expansion, α20-100ºC)
K-1
10.2*10-6
Thermal conductivity, λ20ºC)
W*m-1*K-1
17
Technological treatment processes:
Technological treatment processes
Possible application
Temperature, °C
Hot forming
Forging
+
1050-850
Rolling
+
1050-850
Treatment
Heat treatment
Quenching
+
980-1030
Tempering
+
170-550
Precipitation strengthening
Supersaturation
–
–
Ageing
–
–
Annealing
Soft annealing
+
820-860
Stress relieving
+
600-700
Thermochemical treatment
Nitriding
+
470-550
Other
–
–
INTERNATIONAL STEEL GRADES:
ISO
CEN
Russia
X153CrMoV12
ISO 4957:2004
X153CrMoV12
ISO 4957:2004
H12MF
GOST 5950-73
US
Japan
China
D2
ASTM A 681-91
SKD 11
JIS G 4404-1983
Cr12Mo1V1
GB 1299-8
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