BrS30

anti-friction parts

Classification

Country Section Category
CIS, Russia, Ukraine Bronze Tinless cast bronze

Chemical composition

Standard Fe, % Si, % Sn, % Cu, % Zn, % Ni, % Sb, % Pb, % As, % P, %
GOST 493-79 < 0.25 < 0.02 < 0.1 68.1–73 < 0.1 < 0.5 < 0.3 27–31 < 0.1 < 0.1

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 75.5 18.4 142.4 9540

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Casting GOST 493-79 in chill mold 58.7 4

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Casting GOST 493-79 in chill mold 25

Casting and technological parameters

melting point, °C
954

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.009 0.165

Analogues

Germany USA
CuPb30 J460 (C 98200)

Standards

Standard Description
GOST 493-79
OST 1 90054-72

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Sn % Tin
Cu % Copper
Zn % Zinc
Ni % Nickel
Sb % Antimony
Pb % Lead
As % Arsenic
P % Phosphorus

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

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