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6101B Aluminum vs. ZK60A Magnesium

6101B aluminum belongs to the aluminum alloys classification, while ZK60A magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 6101B aluminum and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 9.1 to 13
4.5 to 9.9
Fatigue Strength, MPa 62 to 70
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 120 to 150
170 to 190
Tensile Strength: Ultimate (UTS), MPa 190 to 250
320 to 330
Tensile Strength: Yield (Proof), MPa 140 to 180
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 630
550
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 210
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 57
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 190
140

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 1190
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 23
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 240
570 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 20 to 25
47 to 49
Strength to Weight: Bending, points 27 to 32
55 to 56
Thermal Diffusivity, mm2/s 87
66
Thermal Shock Resistance, points 8.5 to 11
19 to 20

Alloy Composition

Aluminum (Al), % 98.2 to 99.3
0
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0.1 to 0.3
0
Magnesium (Mg), % 0.35 to 0.6
92.5 to 94.8
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0.3 to 0.6
0
Zinc (Zn), % 0 to 0.1
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants