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WE54A Magnesium vs. C90400 Bronze

WE54A magnesium belongs to the magnesium alloys classification, while C90400 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 C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
77
Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 4.3 to 5.6
24
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 270 to 300
310
Tensile Strength: Yield (Proof), MPa 180
180

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
990
Melting Onset (Solidus), °C 570
850
Specific Heat Capacity, J/kg-K 960
370
Thermal Conductivity, W/m-K 52
75
Thermal Expansion, µm/m-K 25
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
12
Electrical Conductivity: Equal Weight (Specific), % IACS 47
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
34
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 29
3.5
Embodied Energy, MJ/kg 260
56
Embodied Water, L/kg 900
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 14
65
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 380
150
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 39 to 43
10
Strength to Weight: Bending, points 49 to 51
12
Thermal Diffusivity, mm2/s 28
23
Thermal Shock Resistance, points 18 to 19
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
86 to 89
Iron (Fe), % 0 to 0.010
0 to 0.4
Lead (Pb), % 0
0 to 0.090
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.7 to 93.4
0
Manganese (Mn), % 0 to 0.030
0 to 0.010
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
7.5 to 8.5
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
1.0 to 5.0
Zirconium (Zr), % 0.4 to 1.0
0 to 0.1
Residuals, % 0
0 to 0.7