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C61400 Bronze vs. WE54A Magnesium

C61400 bronze belongs to the copper alloys classification, while WE54A magnesium belongs to the magnesium 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 C61400 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, % 34 to 40
4.3 to 5.6
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
17
Shear Strength, MPa 370 to 380
150 to 170
Tensile Strength: Ultimate (UTS), MPa 540 to 570
270 to 300
Tensile Strength: Yield (Proof), MPa 220 to 270
180

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 6.0 to 8.0
0
Copper (Cu), % 86 to 92.5
0 to 0.030
Iron (Fe), % 1.5 to 3.5
0 to 0.010
Lead (Pb), % 0 to 0.010
0
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0 to 1.0
0 to 0.030
Nickel (Ni), % 0
0 to 0.0050
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0
0 to 0.010
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0 to 1.0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3