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WE54A Magnesium vs. C61400 Bronze

WE54A magnesium belongs to the magnesium alloys classification, while C61400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 WE54A magnesium and the bottom bar is C61400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 4.3 to 5.6
34 to 40
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 150 to 170
370 to 380
Tensile Strength: Ultimate (UTS), MPa 270 to 300
540 to 570
Tensile Strength: Yield (Proof), MPa 180
220 to 270

Thermal Properties

Latent Heat of Fusion, J/g 330
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 640
1050
Melting Onset (Solidus), °C 570
1040
Specific Heat Capacity, J/kg-K 960
420
Thermal Conductivity, W/m-K 52
67
Thermal Expansion, µm/m-K 25
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
14
Electrical Conductivity: Equal Weight (Specific), % IACS 47
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
28
Density, g/cm3 1.9
8.5
Embodied Carbon, kg CO2/kg material 29
3.0
Embodied Energy, MJ/kg 260
48
Embodied Water, L/kg 900
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 14
160 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 380
210 to 310
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 39 to 43
18 to 19
Strength to Weight: Bending, points 49 to 51
17 to 18
Thermal Diffusivity, mm2/s 28
19
Thermal Shock Resistance, points 18 to 19
18 to 20

Alloy Composition

Aluminum (Al), % 0
6.0 to 8.0
Copper (Cu), % 0 to 0.030
86 to 92.5
Iron (Fe), % 0 to 0.010
1.5 to 3.5
Lead (Pb), % 0
0 to 0.010
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.7 to 93.4
0
Manganese (Mn), % 0 to 0.030
0 to 1.0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.010
0
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.5