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Sintered 6061 Aluminum vs. ZK61A Magnesium

Sintered 6061 aluminum belongs to the aluminum alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is sintered 6061 aluminum and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 0.5 to 6.0
5.8 to 7.1
Fatigue Strength, MPa 32 to 62
120 to 140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
18
Tensile Strength: Ultimate (UTS), MPa 83 to 210
290 to 310
Tensile Strength: Yield (Proof), MPa 62 to 190
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
530
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 200
120
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
29
Electrical Conductivity: Equal Weight (Specific), % IACS 170
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.68 to 7.0
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 280
370 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
62
Strength to Weight: Axial, points 8.6 to 21
42 to 45
Strength to Weight: Bending, points 16 to 29
50 to 53
Thermal Diffusivity, mm2/s 81
65
Thermal Shock Resistance, points 3.8 to 9.4
17 to 18

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
92.1 to 93.9
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.2 to 0.8
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants