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

АМО1−20

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

Classification

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

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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
228–630

Coefficients of Friction

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

Analogues

Germany
3.202

Standards

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