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ZE41A Magnesium vs. 4147 Aluminum

ZE41A magnesium belongs to the magnesium alloys classification, while 4147 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ZE41A magnesium and the bottom bar is 4147 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
72
Elongation at Break, % 3.3
3.3
Fatigue Strength, MPa 98
42
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Shear Strength, MPa 150
63
Tensile Strength: Ultimate (UTS), MPa 210
110
Tensile Strength: Yield (Proof), MPa 140
59

Thermal Properties

Latent Heat of Fusion, J/g 330
570
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 640
580
Melting Onset (Solidus), °C 540
560
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
33
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 1.9
2.5
Embodied Carbon, kg CO2/kg material 24
7.7
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 940
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 220
24
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 63
55
Strength to Weight: Axial, points 31
12
Strength to Weight: Bending, points 41
20
Thermal Diffusivity, mm2/s 59
58
Thermal Shock Resistance, points 12
5.2

Alloy Composition

Aluminum (Al), % 0
85 to 88.9
Beryllium (Be), % 0
0 to 0.00030
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0
0 to 0.8
Magnesium (Mg), % 91.7 to 95.4
0.1 to 0.5
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
11 to 13
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15