Aluminum, Al

92.4 – 95.6

Magnesium, Mg

4.0 – 4.9

Mangnese, Mn

≤ 1.0

Silicon, Si

≤ 0.40

Iron, Fe

≤ 0.40

Chromium, Cr

≤ 0.25

Zinc, Z

≤ 0.25

Titanium, Ti

≤ 0.15

Density

2650 kg/m³

0.0961 lb/in³

Melting Point

591-638°C

1095-1180°F

Hardness, Brinell

77

77

Hardness, Knoop

100

100

Hardness, Vickers

87

87

Ultimate Tensile Strength

290 MPa

42000 psi

Tensile Yield Strength

145 MPa

21000 psi

Elongation at Break

22%

22%

Modulus of Elasticity

70.3 GPa

10200 ksi

Compressive Modulus

71.7 GPa

10400 ksi

Notched Tensile Strength

269 MPa

39000 psi

Ultimate Bearing Strength

552 MPa

80100 psi

Bearing Yield Strength

248 MPa

36000 psi

Poisson’s Ratio

0.33

0.33

Fatigue Strength

150 MPa

21800 psi

Machinability

30%

30%

Shear Modulus

26.4 GPa

3830 ksi

Shear Strength

172 MPa

25000 psi

CTE, linear 68°F

23.8 µm/m-°C

13.2 µin/in-°F

CTE, linear 250°C

26 µm/m-°C

14.4 µin/in-°F

Specific Heat Capacity

0.9 J/g-°C

0.215 BTU/lb-°F

Thermal Conductivity

117 W/m-K

810 BTU-in/hr-ft²-°F

Solidus

591 °C

1095 °F

Liquidus

638 °C

1180 °F