BN

babbits for manufacturing ingots used to fill the bearings and other parts; pouring temperature of 480−500 ° C; melting onset temperature of 240 ° C. Bearings operating at moderate speeds and medium loads; load characteristics — quiet shock.

Classification

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

Chemical composition

Standard Fe, % Sn, % Bi, % Cu, % Zn, % Ni, % Sb, % Al, % Pb, % As, % Cd, %
GOST 1320-74 < 0.1 9–11 < 0.1 1.5–2 < 0.02 0.1–0.5 13–15 < 0.05 69.63–75.8 0.5–0.9 0.1–0.7

Information on suppliers

Physical characteristics

Temperature, °C \rho, \frac{kg}{m^3}
20 9550

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{P}, MPa Treatment
Alloy GOST 1320-74 125–130 70–74

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy GOST 1320-74 270–290

Casting and technological parameters

melting point, °C temperature fill, °C
400 480–500

Limit operating modes

Standard Нагрузка, \textit{MPa} Скорость, \frac{m}{s} Температура, °C
GOST 1320-74 10 30 70

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
\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
\sigma_{P} MPa Proportionality limit

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