76F
Production of rails RP50 types, RP65 and RP75 for industrial rail transport of wide gauge tracks
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Steels for special purposes |
Steel for rail transport |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
V, % |
P, % |
C, % |
S, % |
|---|
| GOST Р 51045 - 97 |
97.14–98.33 |
0.18–0.55 |
0.75–1.25 |
0.03–0.1 |
< 0.045 |
0.71–0.87 |
< 0.045 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
7850 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ |
d5, % |
Treatment |
|---|
| Steel |
GOST 51045-97 |
|
|
|
780–1080 |
150 |
3–5 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Steel |
GOST 51045-97 |
|
302–420 |
Analogues
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| V |
% |
Vanadium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| d5 |
% |
Elongation at break |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$KCU\cdot 10^{3}$$ |
$$\frac{J}{m^2}$$ |
Impact toughness |