Alloy aluminum AK9s

Chemical composition

Al	Aluminum	Rest
Fe	Iron	<0.7
Si	Silicon	8.0 — 10.5
Mg	Magnesium	0.20 — 0.35
Mn	Manganese	0.2 — 0.5
Cu	Copper	<0.5
Ni	Nickel	<0.1
Sn	Tin	<0.01
Pb	Lead	<0.05
Zn	Zinc	<0.3
Ot	Total impurities	<1.35

For the manufacture of ingots and shaped castings by various casting methods. Technical requirements GOST 1583−93 Cast aluminum alloys. Technical conditions GOST R 55375−12 Primary aluminum and alloys based on it. Stamps

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Aluminum, aluminum alloys	Foundry aluminum alloys

Chemical composition

Standard	Fe, %	Si, %	Sn, %	Mg, %	Mn, %	Cu, %	Zn, %	Ni, %	Al, %	Pb, %
Standard	Fe, %	Si, %	Sn, %	Mg, %	Mn, %	Cu, %	Zn, %	Ni, %	Al, %	Pb, %
GOST 1583-93	< 1	8–10.5	< 0.01	0.2–0.35	0.2–0.5	< 0.5	< 0.3	< 0.1	86.69–91.6	< 0.05

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Casting	GOST 1583-93			in chill mold	196–235

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Chill casting	GOST 1583-93		70

Standards

Standard	Description
Standard	Description
GOST 1583-93

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Sn	%	Tin
Mg	%	Magnesium
Mn	%	Manganese
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Al	%	Aluminium
Pb	%	Lead

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength