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C94900 Bronze vs. WE54A Magnesium

C94900 bronze belongs to the copper alloys classification, while WE54A magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C94900 bronze and the bottom bar is WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 17
4.3 to 5.6
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
17
Tensile Strength: Ultimate (UTS), MPa 300
270 to 300
Tensile Strength: Yield (Proof), MPa 130
180

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 980
640
Melting Onset (Solidus), °C 910
570
Specific Heat Capacity, J/kg-K 370
960
Thermal Expansion, µm/m-K 18
25

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 32
34
Density, g/cm3 8.8
1.9
Embodied Carbon, kg CO2/kg material 3.4
29
Embodied Energy, MJ/kg 55
260
Embodied Water, L/kg 350
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
10 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 72
360 to 380
Stiffness to Weight: Axial, points 6.9
13
Stiffness to Weight: Bending, points 18
62
Strength to Weight: Axial, points 9.4
39 to 43
Strength to Weight: Bending, points 11
49 to 51
Thermal Shock Resistance, points 11
18 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 79 to 81
0 to 0.030
Iron (Fe), % 0 to 0.3
0 to 0.010
Lead (Pb), % 4.0 to 6.0
0
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0 to 0.1
0 to 0.030
Nickel (Ni), % 4.0 to 6.0
0 to 0.0050
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.010
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 4.0 to 6.0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3