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242.0 Aluminum vs. ZE41A Magnesium

242.0 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 242.0 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70 to 110
63
Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 0.5 to 1.5
3.3
Fatigue Strength, MPa 55 to 110
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 150 to 240
150
Tensile Strength: Ultimate (UTS), MPa 180 to 290
210
Tensile Strength: Yield (Proof), MPa 120 to 220
140

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 210
150
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 530
540
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 130 to 170
110
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 44
27
Electrical Conductivity: Equal Weight (Specific), % IACS 96 to 130
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1130
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 3.4
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 340
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
63
Strength to Weight: Axial, points 16 to 26
31
Strength to Weight: Bending, points 23 to 32
41
Thermal Diffusivity, mm2/s 50 to 62
59
Thermal Shock Resistance, points 8.0 to 13
12

Alloy Composition

Aluminum (Al), % 88.4 to 93.6
0
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 3.5 to 4.5
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 1.2 to 1.8
91.7 to 95.4
Manganese (Mn), % 0 to 0.35
0 to 0.15
Nickel (Ni), % 1.7 to 2.3
0 to 0.010
Silicon (Si), % 0 to 0.7
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.35
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3