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850.0 Aluminum vs. ZC63A Magnesium

850.0 aluminum belongs to the aluminum alloys classification, while ZC63A magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 850.0 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
60
Elastic (Young's, Tensile) Modulus, GPa 69
48
Elongation at Break, % 7.9
3.3
Fatigue Strength, MPa 59
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Shear Strength, MPa 100
130
Tensile Strength: Ultimate (UTS), MPa 140
220
Tensile Strength: Yield (Proof), MPa 76
130

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 190
98
Melting Completion (Liquidus), °C 650
550
Melting Onset (Solidus), °C 370
470
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.6
Specific Heat Capacity, J/kg-K 850
950
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
32
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 3.1
2.1
Embodied Carbon, kg CO2/kg material 8.5
22
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1160
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 42
190
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 44
58
Strength to Weight: Axial, points 12
29
Strength to Weight: Bending, points 19
38
Thermal Diffusivity, mm2/s 69
58
Thermal Shock Resistance, points 6.1
12

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
0
Copper (Cu), % 0.7 to 1.3
2.4 to 3.0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0 to 0.1
89.2 to 91.9
Manganese (Mn), % 0 to 0.1
0.25 to 0.75
Nickel (Ni), % 0.7 to 1.3
0 to 0.010
Silicon (Si), % 0 to 0.7
0 to 0.2
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3