M1r
For current conductors, rolled and high-quality tin-free bronzes; for the manufacture of wire and rods for automatic welding in inert gases, submerged arc and gas welding of non-critical structures made of copper, as well as the manufacture of electrodes for welding copper and cast iron.
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Copper, copper alloys |
Copper |
Chemical composition
| Standard |
Fe, % |
Cu+Ag, % |
Sn, % |
Bi, % |
Zn, % |
Ni, % |
Sb, % |
Pb, % |
As, % |
P, % |
S, % |
O, % |
|---|
| GOST 859-2001 |
< 0.005 |
> 99.9 |
< 0.002 |
< 0.001 |
< 0.005 |
< 0.002 |
< 0.002 |
< 0.005 |
< 0.002 |
0.002–0.012 |
< 0.005 |
< 0.01 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$E\cdot 10^{9}$$, $$MPa$$ |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\varkappa$$, $$\frac{W}{m\cdot K}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
$$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ |
$$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
|---|
| 20 |
1.28 |
|
387 |
8940 |
390 |
17.8 |
| 100 |
1.32 |
16.7 |
|
|
|
|
Mechanical properties at 20 °C
Brinell hardness number
Casting and technological parameters
| melting point, °C |
linear shrinkage, % |
the temperature of the casting, °C |
|---|
| 1083 |
2.1 |
1150–1250 |
Analogues
| Germany |
USA |
|---|
| SF-Cu |
C12000 |
| SW-Cu |
|
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Cu+Ag |
% |
Copper+Silver |
| Fe |
% |
Iron |
| Sn |
% |
Tin |
| Bi |
% |
Bismuth |
| Zn |
% |
Zinc |
| Ni |
% |
Nickel |
| Sb |
% |
Antimony |
| Pb |
% |
Lead |
| As |
% |
Arsenic |
| P |
% |
Phosphorus |
| S |
% |
Sulfur |
| O |
% |
Oxygen |
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 |
| $$c\cdot 10^{-3}$$ |
$$\frac{J}{kg\cdot K}$$ |
The specific heat of the material (range 20°C–T) |
| $$R\cdot 10^{-6}$$ |
$$\Omega\cdot m$$ |
Electrical resistivity |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| d5 |
% |
Elongation at break |
| $$\sigma _{U}$$ |
$$MPa$$ |
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 |
| 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 |