B88

babbits for manufacturing ingots used to fill the bearings and other parts; pouring temperature of 380−420 ° C. Bearings operating at high speeds and high dynamic loads; load characteristics — quiet shock.

Classification

Country Section Category
CIS, Russia, Ukraine Tin, lead, babity Tin babbitt

Chemical composition

Standard Fe, % Sn, % Bi, % Cu, % Zn, % Ni, % Sb, % Al, % Pb, % As, % Cd, %
GOST 1320-74 < 0.05 86.99–89.25 < 0.05 2.5–3.5 < 0.005 0.15–0.25 7.3–7.8 < 0.005 < 0.1 < 0.05 0.8–1.2

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 57 23.2 7350

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy GOST 1320-74 27–30

Casting and technological parameters

melting point, °C temperature fill, °C
320 380–420

Limit operating modes

Standard Нагрузка, $$\textit{MPa}$$ Скорость, $$\frac{m}{s}$$ Температура, °C
GOST 1320-74 20 50 75

Standards

Standard Description
GOST 1320-74

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Sn % Tin
Bi % Bismuth
Cu % Copper
Zn % Zinc
Ni % Nickel
Sb % Antimony
Al % Aluminium
Pb % Lead
As % Arsenic
Cd % Cadmium

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 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
temperature fill °C The temperature at which the fill metal in the form