R6M3
For the manufacture of finishing and semi-finishing tools of small size in the processing of structural steels.
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Tool steel |
High speed tool steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
V, % |
C, % |
Mo, % |
W, % |
|---|
| GOST 19265-73 |
81.95–84.75 |
< 0.5 |
< 0.4 |
3–3.6 |
2–2.5 |
0.85–0.95 |
3–3.6 |
5.5–6.5 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
8500 |
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Hire |
GOST 19265-73 |
annealing |
255 |
Critical point temperatures
| Ac1, K |
Ac3(Acm), K |
Ar1, K |
|---|
| 800 |
860 |
720 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| V |
% |
Vanadium |
| C |
% |
Carbon |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of temperatures of critical points
| Parameter |
Units of measurement |
Description |
| Ac1 |
K |
|
| Ac3(Acm) |
K |
|
| Ar1 |
K |
|