Alloy Aluminum AK7 (AL9V)

For the manufacture of shaped castings. Technical requirements GOST 1583−93 Cast aluminum alloys. Technical conditions GOST 2685−75 Cast aluminum alloys. GOST R 55375−12 grades Primary aluminum and alloys based on it. GOST R 55375−12 grades 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, %	Mg, %	Mn, %	Cu, %	Zn, %	Ni, %	Al, %
Standard	Fe, %	Si, %	Mg, %	Mn, %	Cu, %	Zn, %	Ni, %	Al, %
GOST 1583-93	< 1.3	6–8	0.2–0.5	0.2–0.6	< 1.5	< 0.5	< 0.3	87.6–93.6

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Casting	GOST 1583-93				127–196	0.5–1

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Casting	GOST 1583-93		50–75

Analogues

Germany	USA
Germany	USA
G-AlSi12(Cu)	356

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
Mg	%	Magnesium
Mn	%	Manganese
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Al	%	Aluminium

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)