Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Bronze |
Tinless cast bronze |
Chemical composition
| Standard |
Fe, % |
Si, % |
Sn, % |
Cu, % |
Zn, % |
Ni, % |
Sb, % |
Pb, % |
As, % |
P, % |
|---|
| GOST 493-79 |
< 0.25 |
< 0.02 |
< 0.1 |
68.1–73 |
< 0.1 |
< 0.5 |
< 0.3 |
27–31 |
< 0.1 |
< 0.1 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$E\cdot 10^{9}$$, $$MPa$$ |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\varkappa$$, $$\frac{W}{m\cdot K}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
75.5 |
18.4 |
142.4 |
9540 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
| Casting |
GOST 493-79 |
|
|
in chill mold |
58.7 |
4 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Casting |
GOST 493-79 |
in chill mold |
25 |
Casting and technological parameters
Coefficients of Friction
| coefficient of friction with lubrication |
coefficient of friction without lubrication |
|---|
| 0.009 |
0.165 |
Analogues
| Germany |
USA |
|---|
| CuPb30 |
J460 (C 98200) |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Sn |
% |
Tin |
| Cu |
% |
Copper |
| Zn |
% |
Zinc |
| Ni |
% |
Nickel |
| Sb |
% |
Antimony |
| Pb |
% |
Lead |
| As |
% |
Arsenic |
| P |
% |
Phosphorus |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$E\cdot 10^{9}$$ |
$$MPa$$ |
Elastic modulus |
| $$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
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) |
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 |