BrKN1-3

Responsible in engine parts, guide bushings

Classification

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

Chemical composition

Standard Fe, % Si, % Sn, % Mn, % Cu, % Zn, % Ni, % Al, % Pb, %
GOST 18175-78 < 0.1 0.6–1.1 < 0.1 0.1–0.4 94.7–96.9 < 0.1 2.4–3.4 < 0.02 < 0.15

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 140 8800 0.083
100 18

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Round compacting 490 10
Alloy soft 400–450 25–30
Alloy solid 500–600 6–8

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy soft 80–100
Alloy solid 150–200

Casting and technological parameters

melting point, °C Hot working temperature, °C
1084 800–910

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.017 0.45

Analogues

Germany USA
2.0855 CuSi3

Standards

Standard Description
GOST 18175-78
GOST 1628-78

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Sn % Tin
Mn % Manganese
Cu % Copper
Zn % Zinc
Ni % Nickel
Al % Aluminium
Pb % Lead

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
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % 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
Hot working temperature °C The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment