Aluminum Alloy AL25 (AK12M2MgN)

Chemical composition

Al	Aluminum	Rest
Si	Silicon	11.0 — 13.0
Mg	Magnesium	0.8 — 1.3
Mn	Manganese	0.3 — 0.6
Cu	Copper	1.5 — 3.0
Ni	Nickel	0.8 — 1.3
Sn	Tin	<0.02
Pb	Lead	<0.1
Ti	Titanium	0.05 — 0.20
Cr	Chromium	<0.2
Zn	Zinc	<0.05

Casting methods:
Z — sand casting
B — Lost wax casting
K — chill casting
D — injection molding

Mark designation:
h — clean
bees — high purity
och — high purity
l — casting alloys
c — selective

Analogs in Russia

AK12MMgN

Al30

AK12MMgN GOST 1583−93

AK12MMgNK GOST 1583−93

AL30 GOST 1583−93

AL30K GOST 1583−93

AK12M2MgN GOST 1583−93

AK12M2MgNK GOST 1583−93

AL25K GOST 1583−93

AL30 GOST 2171−90

AL25 GOST 2171−90

AL25 GOST 2685−75

AL30 GOST 2685−75

AK12M2MgN GOST R 55375−12

AL25 GOST R 55375−12

AK12MMgN GOST R 55375−12

AL30 GOST R 55375−12

Analogs in the USA

336.0 ANSI

A332.0 ANSI

SB 108 (A03360) ASME SB108

SB 108 (336.0) ASME SB108

B 108 (336.0) ASTM B108

B 108 (A03360) ASTM B108

B 275 (A 03360) ASTM B275

336.0 QQ A-596d

J452 (321) SAE J452

A03360 UNS

336.0 Included in 2 standards

For the manufacture of shaped castings, diesel pistons. Technical requirements GOST 1583−93 Cast aluminum alloys. Technical conditions GOST 2171−90 Parts, products, semi-finished products and billets of non-ferrous metals and alloys. Designation of the brand GOST 2685−75 Cast aluminum alloys. 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, %	Sn, %	Mg, %	Mn, %	Cr, %	Ti, %	Cu, %	Zn, %	Ni, %	Al, %	Pb, %
Standard	Fe, %	Si, %	Sn, %	Mg, %	Mn, %	Cr, %	Ti, %	Cu, %	Zn, %	Ni, %	Al, %	Pb, %
GOST 1583-93	< 0.8	11–13	< 0.02	0.8–1.3	0.3–0.6	< 0.2	0.05–0.2	1.5–3	< 0.5	0.8–1.3	79.5–85.55	< 0.1

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Physical characteristics

Temperature, °C	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\rho$ , $\frac{kg}{m^3}$
20		2720
100	19

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
Alloy					190

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy			90

Casting and technological parameters

linear shrinkage, %	the temperature of the casting, °C
linear shrinkage, %	the temperature of the casting, °C
1.15	700

Analogues

USA	Germany
USA	Germany
385	G-AlSi12Cu

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
Cr	%	Chrome
Ti	%	Titan
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Al	%	Aluminium
Pb	%	Lead

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\alpha\cdot 10^{6}$	$K^{-1}$	Coefficient of thermal (linear) expansion (range 20°C–T)
$\rho$	$\frac{kg}{m^3}$	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

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
linear shrinkage	%	The difference between model dimensions and the model casting
the temperature of the casting	°C	The temperature of the molten polymer is extruded from the heating cylinder into the mold