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6070 Aluminum vs. ZK61A Magnesium

6070 aluminum belongs to the aluminum alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6070 aluminum and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
46
Elongation at Break, % 5.6 to 8.6
5.8 to 7.1
Fatigue Strength, MPa 95 to 130
120 to 140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 220 to 240
170 to 180
Tensile Strength: Ultimate (UTS), MPa 370 to 380
290 to 310
Tensile Strength: Yield (Proof), MPa 350
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 570
530
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
29
Electrical Conductivity: Equal Weight (Specific), % IACS 140
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 1170
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 32
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 900
370 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
62
Strength to Weight: Axial, points 38
42 to 45
Strength to Weight: Bending, points 42 to 43
50 to 53
Thermal Diffusivity, mm2/s 65
65
Thermal Shock Resistance, points 16 to 17
17 to 18

Alloy Composition

Aluminum (Al), % 94.6 to 98
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.5 to 1.2
92.1 to 93.9
Manganese (Mn), % 0.4 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 1.0 to 1.7
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants