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Sintered 6061 Aluminum vs. ZE41A Magnesium

Sintered 6061 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is sintered 6061 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 0.5 to 6.0
3.3
Fatigue Strength, MPa 32 to 62
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
18
Tensile Strength: Ultimate (UTS), MPa 83 to 210
210
Tensile Strength: Yield (Proof), MPa 62 to 190
140

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 200
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
27
Electrical Conductivity: Equal Weight (Specific), % IACS 170
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.68 to 7.0
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 280
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
63
Strength to Weight: Axial, points 8.6 to 21
31
Strength to Weight: Bending, points 16 to 29
41
Thermal Diffusivity, mm2/s 81
59
Thermal Shock Resistance, points 3.8 to 9.4
12

Alloy Composition

Aluminum (Al), % 96 to 99.4
0
Copper (Cu), % 0 to 0.5
0 to 0.1
Magnesium (Mg), % 0.4 to 1.2
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.2 to 0.8
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3