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ZK51A Magnesium vs. A201.0 Aluminum

ZK51A magnesium belongs to the magnesium alloys classification, while A201.0 aluminum belongs to the aluminum 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 ZK51A magnesium and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 4.7
4.7
Fatigue Strength, MPa 62
97
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Tensile Strength: Ultimate (UTS), MPa 240
480
Tensile Strength: Yield (Proof), MPa 150
420

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
30
Electrical Conductivity: Equal Weight (Specific), % IACS 140
90

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 1.8
3.0
Embodied Carbon, kg CO2/kg material 24
8.1
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 940
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
22
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 64
46
Strength to Weight: Axial, points 36
44
Strength to Weight: Bending, points 47
45
Thermal Diffusivity, mm2/s 61
46
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 0
93.7 to 95.5
Copper (Cu), % 0 to 0.1
4.0 to 5.0
Iron (Fe), % 0
0 to 0.1
Magnesium (Mg), % 93.1 to 95.9
0.15 to 0.35
Manganese (Mn), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.35
Zinc (Zn), % 3.6 to 5.5
0
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.1