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WE54A Magnesium vs. CC493K Bronze

WE54A magnesium belongs to the magnesium alloys classification, while CC493K 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 CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
74
Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 4.3 to 5.6
14
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
39
Tensile Strength: Ultimate (UTS), MPa 270 to 300
270
Tensile Strength: Yield (Proof), MPa 180
140

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 640
960
Melting Onset (Solidus), °C 570
880
Specific Heat Capacity, J/kg-K 960
360
Thermal Conductivity, W/m-K 52
61
Thermal Expansion, µm/m-K 25
19

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
32
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 29
3.3
Embodied Energy, MJ/kg 260
53
Embodied Water, L/kg 900
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 14
33
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 380
89
Stiffness to Weight: Axial, points 13
6.5
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 39 to 43
8.6
Strength to Weight: Bending, points 49 to 51
11
Thermal Diffusivity, mm2/s 28
19
Thermal Shock Resistance, points 18 to 19
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
79 to 86
Iron (Fe), % 0 to 0.010
0 to 0.2
Lead (Pb), % 0
5.0 to 8.0
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 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.2 to 8.0
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
2.0 to 5.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0