SM
For the manufacture of mechanical springs subjected to static and dynamic loads.
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Structural steel |
Spring-spring structural steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
P, % |
C, % |
S, % |
|---|
| GOST Р 50567-93 |
97.074–99.234 |
0.07–0.38 |
0.24–1.56 |
< 0.048 |
0.36–0.89 |
< 0.048 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
7820 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
Treatment |
|---|
| Wire |
GOST Р 50567-93 |
0.08 |
|
|
2780–3100 |
|
| Wire |
GOST Р 50567-93 |
20 |
|
|
1020–1150 |
|
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| 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 |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |