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

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ d5, % Treatment
Pipes are pressed. GOST 617-2006 180–190 32
Pipes are soft. GOST 21646-2003 200 35
Pipes are hard. GOST 21646-2003 290 3
The alloy is soft GOST 1173-2006 cold rolling 200–260 42
Alloy hard GOST 1173-2006 cold rolling 290 6

Brinell hardness number

Rolling Standard Classifiers Value, HBW
The alloy is soft GOST 1173-2006 55
Alloy hard GOST 1173-2006 95

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