







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 |
APPLICATION:
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
