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6262 Aluminum vs. AZ31C Magnesium

6262 aluminum belongs to the aluminum alloys classification, while AZ31C magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 6262 aluminum and the bottom bar is AZ31C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 4.6 to 10
12
Fatigue Strength, MPa 90 to 110
150
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 170 to 240
130
Tensile Strength: Ultimate (UTS), MPa 290 to 390
260
Tensile Strength: Yield (Proof), MPa 270 to 360
200

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 160
110
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 580
550
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
19
Electrical Conductivity: Equal Weight (Specific), % IACS 140
98

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
28
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
440
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 48
70
Strength to Weight: Axial, points 29 to 39
42
Strength to Weight: Bending, points 35 to 42
53
Thermal Diffusivity, mm2/s 69
74
Thermal Shock Resistance, points 13 to 18
16

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
2.4 to 3.6
Bismuth (Bi), % 0.4 to 0.7
0
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0.4 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
93.4 to 97
Manganese (Mn), % 0 to 0.15
0.15 to 1.0
Nickel (Ni), % 0
0 to 0.030
Silicon (Si), % 0.4 to 0.8
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0.5 to 1.5
Residuals, % 0
0 to 0.3