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

Chemical composition

Standard	Fe, %	Si, %	Sn, %	Cu, %	Ni, %	Al, %
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

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
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
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
Rolling	Standard	Classifiers	Value, HBW
Casting		in chill mold	500–600

Casting and technological parameters

melting point, °C
melting point, °C
226–650

Standards

Standard	Description
Standard	Description
GOST 14113-78

Description of chemical elements

Element	Units of measurement	Description
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
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material

Description of mechanical properties

Parameter	Units of measurement	Description
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
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