Low alloy bronze 204A (Bronze BrHNb0.2-0.1)

No foreign analogues

Used for the manufacture of electrical products


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

Chemical composition

Standard Cr, % Cu, % Nb, %
GOST 18175-78 0.2 99.7 0.1

Information on suppliers

Physical characteristics

Temperature, °C $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ Cp, Дж/кг·К
20 16.5 0.11 8750 410


Standard Description
GOST 18175-78

Description of chemical elements

Element Units of measurement Description
Cr % Chrome
Cu % Copper
Nb % Niobium

Description of physical characteristics

Parameter Units of measurement Description
Cp Дж/кг·К Specific heat of material
$$\alpha\cdot 10^{6}$$ $$K^{-1}$$ 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