CuSn5Zn5Pb5 (BrOTsS5-5-5)

fittings, anti-friction parts, bearing shells

Classification

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

Chemical composition

Standard Fe, % Si, % Sn, % Cu, % Zn, % Sb, % Al, % Pb, % P, %
GOST 613-79 < 0.4 < 0.05 4–6 80.7–88 4–6 < 0.5 < 0.05 4–6 < 0.1

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Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$
20 92.6 19.1 8800 0.393

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Round 200–240 15–20
Casting GOST 613-79 in chill mold 176 4 Without termoobrabot.
Casting GOST 613-79 in sandy form 147 6 Without termoobrabot.

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy GOST 613-79 60
Round 65–70

Casting and technological parameters

linear shrinkage, % the temperature of the casting, °C
1.5 1250–1300

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.016 0.26
CuSn5Zn5Pb5 / Aloro

Standards

Standard Description
GOST 613-79
GOST 24301-93
GOST Р 52922-08
GOST Р 52949-08
DSTU 2776-94

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Sn % Tin
Cu % Copper
Zn % Zinc
Sb % Antimony
Al % Aluminium
Pb % Lead
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)
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material
$$c\cdot 10^{-3}$$ $$\frac{J}{kg\cdot K}$$ The specific heat of the material (range 20°C–T)

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
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