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ISO-WD43150 Magnesium vs. C94800 Bronze

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C94800 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ISO-WD43150 magnesium and the bottom bar is C94800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.8
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Tensile Strength: Ultimate (UTS), MPa 250
310
Tensile Strength: Yield (Proof), MPa 150
160

Thermal Properties

Latent Heat of Fusion, J/g 350
200
Maximum Temperature: Mechanical, °C 95
190
Melting Completion (Liquidus), °C 610
1030
Melting Onset (Solidus), °C 590
900
Specific Heat Capacity, J/kg-K 990
380
Thermal Conductivity, W/m-K 140
39
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
12
Electrical Conductivity: Equal Weight (Specific), % IACS 170
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
34
Density, g/cm3 1.7
8.8
Embodied Carbon, kg CO2/kg material 24
3.5
Embodied Energy, MJ/kg 160
56
Embodied Water, L/kg 970
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
58
Resilience: Unit (Modulus of Resilience), kJ/m3 250
110
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 41
9.8
Strength to Weight: Bending, points 52
12
Thermal Diffusivity, mm2/s 81
12
Thermal Shock Resistance, points 14
11

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 0 to 0.050
84 to 89
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0.3 to 1.0
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0 to 0.2
Nickel (Ni), % 0 to 0.010
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 0
1.0 to 2.5
Residuals, % 0 to 0.3
0 to 1.3