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WE54A Magnesium vs. C90800 Bronze

WE54A magnesium belongs to the magnesium alloys classification, while C90800 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 C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
90
Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 4.3 to 5.6
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 270 to 300
330
Tensile Strength: Yield (Proof), MPa 180
170

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
870
Specific Heat Capacity, J/kg-K 960
370
Thermal Conductivity, W/m-K 52
68
Thermal Expansion, µm/m-K 25
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
11
Electrical Conductivity: Equal Weight (Specific), % IACS 47
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
36
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 29
3.8
Embodied Energy, MJ/kg 260
62
Embodied Water, L/kg 900
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 14
35
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 380
140
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 39 to 43
11
Strength to Weight: Bending, points 49 to 51
12
Thermal Diffusivity, mm2/s 28
21
Thermal Shock Resistance, points 18 to 19
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.030
85.3 to 89
Iron (Fe), % 0 to 0.010
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.7 to 93.4
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
0 to 0.5
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
11 to 13
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 0.25
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0