Aluminum alloy AL3

Chemical composition

Al	Aluminum	Rest
Fe	Iron	<1.6
Si	Silicon	4.5 — 5.5
Mg	Magnesium	0.35 — 0.60
Mn	Manganese	0.6 — 0.9
Cu	Copper	1.5 — 3.0
Sn	Tin	<0.01
Pb	Lead	<0.05
Zn	Zinc	<0.3
Ot	Total impurities	<1.9

Zr + Ce <0.5

Analogs in Germany

GK-AlSi6Cu4 DIN 1725 Part 2

3.2151.02 DIN 1725 Part 2

G-AlSi6Cu4 DIN 1725 Part 2

3.2151.01 DIN 1725 Part 2

EN AB-45400 DIN EN 1676: 2010

EN AB-AlSi5Cu3 DIN EN 1676: 2010

EN AB-45400 DIN EN 1676: 2019

EN AB-AlSi5Cu3 DIN EN 1676: 2019

EN AC-45000 DIN EN 1706: 2013

EN AC-45400 DIN EN 1706: 2013

EN AC-AlSi6Cu4 DIN EN 1706: 2013

EN AC-AlSi5Cu3 DIN EN 1706: 2013

EN AC-45000 DIN EN 1706: 2019

EN AC-AlSi6Cu4 DIN EN 1706: 2019

EN AC-45400 DIN EN 1706: 2019

EN AC-AlSi5Cu3 DIN EN 1706: 2019

225 VDS

Analogs in Russia

AK5M2 GOST 1583−93

AK5M2Z GOST 1583−93

AK5M2V GOST 1583−93

AK6M2 GOST 1583−93

AL3 GOST 2171−90

AK5M2 GOST 2685−75

AL3V GOST 2685−75

AK5M2 GOST R 55375−12

AK6M2 GOST R 55375−12

Analogs in the USA

319.0 ANSI

EN AC-45000 ASME SB / EN 1706

EN AC-45400 ASME SB / EN 1706

EN AC-AlSi6Cu4 ASME SB / EN 1706

EN AC-AlSi5Cu3 ASME SB / EN 1706

SB 108 (319.0) ASME SB108

SB 108 (A03190) ASME SB108

B 108 (319.0) ASTM B108

B 108 (A03190) ASTM B108

B 26 (319.0) ASTM B26

B 26 (A03190) ASTM B26

B 275 (A 03190) ASTM B275

B 618 (319.0) ASTM B618

B 969 (319.0) ASTM B969

319.0 ASTM B969

319.0 QQ A-596d

J452 (326) SAE J452

A03190 UNS

319.0 Included in 2 standards

319.0 Included in 4 standards

For the manufacture of shaped castings; high-strength heat-resistant alloy Technical requirements GOST 2171−90 Parts, products, semi-finished products and billets of non-ferrous metals and alloys. Designation of the brand GOST 2171−90 Parts, products, semi-finished products and blanks from non-ferrous metals and alloys. Designation of the brand GOST 2685−75 Cast aluminum alloys. 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, %	Al, %	Pb, %
Standard	Fe, %	Si, %	Sn, %	Mg, %	Mn, %	Cu, %	Zn, %	Al, %	Pb, %
GOST 2685-75	< 1.6	4.5–5.5	< 0.01	0.35–0.6	0.6–0.9	1.5–3	< 0.3	88.1–93.05	< 0.05

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$c\cdot 10^{-3}$ , $\frac{J}{kg\cdot K}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$c\cdot 10^{-3}$ , $\frac{J}{kg\cdot K}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	70			2700		0.0449
100		22	163		0.92

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	270	200	1.5
Casting				in sandy form	250	170	1

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Casting		in chill mold	85
Casting		in sandy form	80

Analogues

Germany	USA
Germany	USA
GK-AlSi6Cu4	319

Standards

Standard	Description
Standard	Description
GOST 2685-75

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
Al	%	Aluminium
Pb	%	Lead

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus
$\alpha\cdot 10^{6}$	$K^{-1}$	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
$c\cdot 10^{-3}$	$\frac{J}{kg\cdot K}$	The specific heat of the material (range 20°C–T)
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

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)