BrHVTsr
The temperature of hot processing semi-finished products 700−900 degrees Celsius.
For contact spot and seam welding electrodes of carbon steel
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Bronze |
Bronze, heatproof |
Chemical composition
| Standard |
B, % |
Sn, % |
Cr, % |
Cu, % |
Zn, % |
Ni, % |
Zr, % |
Pb, % |
As, % |
|---|
| GOST 614-97 |
< 0.002 |
< 0.01 |
0.4–1 |
98.82–99.57 |
< 0.01 |
< 0.03 |
0.03–0.08 |
< 0.003 |
< 0.01 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$E\cdot 10^{9}$$, $$MPa$$ |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\varkappa$$, $$\frac{W}{m\cdot K}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
$$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
|---|
| 20 |
1.3 |
17.5 |
366 |
8920 |
20 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{Y}$$, $$MPa$$ |
$$\psi$$, % |
Treatment |
|---|
| Round |
GOST 614-97 |
|
|
|
500 |
450 |
84 |
|
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| B |
% |
Bor |
| Sn |
% |
Tin |
| Cr |
% |
Chrome |
| Cu |
% |
Copper |
| Zn |
% |
Zinc |
| Ni |
% |
Nickel |
| Zr |
% |
Zirconium |
| Pb |
% |
Lead |
| As |
% |
Arsenic |
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 |
| $$R\cdot 10^{-6}$$ |
$$\Omega\cdot m$$ |
Electrical resistivity |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma_{Y}$$ |
$$MPa$$ |
Yield strength |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\psi$$ |
% |
Reduction in cross section on fracture |