L59
for the manufacture of sheets, rods, tubes
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Brass (copper-zinc alloy) |
Brass, pressure treated |
Chemical composition
| Standard |
Fe, % |
Sn, % |
Bi, % |
Cu, % |
Zn, % |
Sb, % |
Pb, % |
As, % |
P, % |
|---|
| GOST 1652-54 |
< 0.3 |
< 0.2 |
< 0.003 |
57–60 |
39.1–43 |
< 0.01 |
< 0.5 |
< 0.01 |
< 0.01 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\varkappa$$, $$\frac{W}{m\cdot K}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
21 |
126 |
8400 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$\psi$$, % |
Treatment |
|---|
| Alloy |
|
|
|
soft |
390 |
44 |
62 |
|
| Alloy |
|
|
|
solid |
500 |
10 |
40 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Alloy |
|
solid |
0–0 |
| Alloy |
|
Cast |
0–0 |
Casting and technological parameters
| linear shrinkage, % |
the temperature of the casting, °C |
Hot working temperature, °C |
|---|
| 1.97 |
1030–1080 |
730–820 |
Coefficients of Friction
| coefficient of friction with lubrication |
coefficient of friction without lubrication |
|---|
| 0.012 |
0.45 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Sn |
% |
Tin |
| Bi |
% |
Bismuth |
| Cu |
% |
Copper |
| Zn |
% |
Zinc |
| Sb |
% |
Antimony |
| Pb |
% |
Lead |
| As |
% |
Arsenic |
| P |
% |
Phosphorus |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
Coefficient of thermal (linear) expansion (range 20°C–T) |
| $$\varkappa$$ |
$$\frac{W}{m\cdot K}$$ |
Coefficient of thermal conductivity (the heat capacity of the material) |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
| $$\psi$$ |
% |
Reduction in cross section on fracture |
Description of the casting and technological parameters
| Parameter |
Units of measurement |
Description |
| linear shrinkage |
% |
The difference between model dimensions and the model casting |
| the temperature of the casting |
°C |
The temperature of the molten polymer is extruded from the heating cylinder into the mold |
| Hot working temperature |
°C |
The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment |