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C61800 Bronze vs. ZE41A Magnesium

C61800 bronze belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 C61800 bronze and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 26
3.3
Fatigue Strength, MPa 190
98
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
18
Shear Strength, MPa 310
150
Tensile Strength: Ultimate (UTS), MPa 740
210
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 220
150
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 1040
540
Specific Heat Capacity, J/kg-K 440
970
Thermal Conductivity, W/m-K 64
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
27
Electrical Conductivity: Equal Weight (Specific), % IACS 14
130

Otherwise Unclassified Properties

Base Metal Price, % relative 28
18
Density, g/cm3 8.3
1.9
Embodied Carbon, kg CO2/kg material 3.1
24
Embodied Energy, MJ/kg 52
170
Embodied Water, L/kg 390
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 420
220
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 22
41
Thermal Diffusivity, mm2/s 18
59
Thermal Shock Resistance, points 26
12

Alloy Composition

Aluminum (Al), % 8.5 to 11
0
Copper (Cu), % 86.9 to 91
0 to 0.1
Iron (Fe), % 0.5 to 1.5
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.020
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3