Switches, collector ring, rotor turbine generators winding


Country Section Category
CIS, Russia, Ukraine Bronze Pressureless bronze plated

Chemical composition

Standard Cu, % Ag, % O, %
GOST 18175-78 99.72–99.82 0.08–0.12 < 0.06

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 127 17 8890

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Alloy soft 200 80 55
Alloy solid 340 300 4

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy soft 50
Alloy solid 110

Casting and technological parameters

melting point, °C




Standard Description
GOST 18175-78

Description of chemical elements

Element Units of measurement Description
Cu % Copper
Ag % Silver
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)
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % 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