Alloy 34A (Alkusin)
It is used as a substitute for babbits, used in sleeve bearings
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Aluminum, aluminum alloys |
Antifriction aluminum alloy |
Chemical composition
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
| 20 |
20–30 |
2900 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{Y}$$, $$MPa$$ |
d5, % |
Treatment |
| Castings |
GOST 1583-93 |
400 |
Transverse |
|
30–35 |
25–28 |
3–5 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Castings |
GOST 1583-93 |
|
350–400 |
Casting and technological parameters
| melting point, °C |
| 640–660 |
Limit operating modes
Properties
| Property |
| It is applied at sliding speeds up to 4 m / s |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Si |
% |
Silicon |
| Cu |
% |
Copper |
| Al |
% |
Aluminium |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
Coefficient of thermal (linear) expansion (range 20°C–T) |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| d5 |
% |
Elongation at break |
| $$\sigma_{Y}$$ |
$$MPa$$ |
Yield strength |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
Description of the casting and technological parameters
| Parameter |
Units of measurement |
Description |
| melting point |
°C |
The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |