Aluminium alloy AO20-1

  • Химический состав
Al Алюминий Остальное
Fe Железо <0.5
Si Кремний <0.5
Cu Медь 0.7 — 1.2
Sn Олово 17.0 — 23.0
Ti Титан 0.02 — 0.20
Zn Цинк <0.25
OE Прочие элементы <0.1
Аналоги в Германии

AlSn20Cu DIN ISO 4383:2001

AlSn20Cu DIN ISO 4383:2015

3.2020 Miba AG

Аналоги в России


AlSn20Cu ГОСТ ИСО 4383−2006

To obtain a bimetal strip with steel and aluminum by rolling and subsequent punching of liners with a thickness of friction layer is less than 1 mm. GOST 14113−78


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

Chemical composition

Standard Fe, % Si, % Sn, % Ti, % Cu, % Zn, % Al, %
GOST 14113-78 < 0.5 < 0.5 17–23 0.02–0.2 0.7–1.2 < 0.25 74.35–82.28

Information on suppliers

Physical characteristics

Temperature, °C $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 23 160 3200

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ Treatment
Metal rolling 100–120 65–77 29–35 58.5–72 600–750

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy annealing 280–330

Casting and technological parameters

melting point, °C

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.011 0.18




Standard Description
GOST 14113-78

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Sn % Tin
Ti % Titan
Cu % Copper
Zn % Zinc
Al % Aluminium

Description of physical characteristics

Parameter Units of measurement Description
$$\alpha\cdot 10^{6}$$ $$K^{-1}$$ 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
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\psi$$ % Reduction in cross section on fracture
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness

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