Alloy aluminum AO9-2

Chemical composition

Al Aluminum Rest
Fe Iron <0.5
Si Silicon 0.3 — 0.7
Cu Copper 2.0 — 2.5
Ni Nickel 0.8 — 1.2
Sn Tin 8.0 — 10.0
OE Other items <0.1

For casting monometallic liners and bushings Technical requirements — according to GOST 14113−78

Classification

Country Section Category
CIS, Russia, Ukraine Aluminum, aluminum alloys Antifriction aluminum alloy

Chemical composition

Standard Fe, % Si, % Sn, % Cu, % Ni, % Al, %
GOST 14113-78 < 0.5 0.3–0.7 8–10 2–2.5 0.8–1.2 85.5–88.9

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$
20 3000

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Casting in chill mold 130–170 78–105 2.3–6.3

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Casting in chill mold 500–600

Casting and technological parameters

melting point, °C
226–650

Standards

Standard Description
GOST 14113-78

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Sn % Tin
Cu % Copper
Ni % Nickel
Al % Aluminium

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
$$\epsilon_L$$ % 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