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C94400 Bronze vs. ZE41A Magnesium

C94400 bronze belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 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 C94400 bronze and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
63
Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 18
3.3
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 37
18
Tensile Strength: Ultimate (UTS), MPa 220
210
Tensile Strength: Yield (Proof), MPa 110
140

Thermal Properties

Latent Heat of Fusion, J/g 180
330
Maximum Temperature: Mechanical, °C 150
150
Melting Completion (Liquidus), °C 940
640
Melting Onset (Solidus), °C 790
540
Specific Heat Capacity, J/kg-K 350
970
Thermal Conductivity, W/m-K 52
110
Thermal Expansion, µm/m-K 19
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
130

Otherwise Unclassified Properties

Base Metal Price, % relative 32
18
Density, g/cm3 9.1
1.9
Embodied Carbon, kg CO2/kg material 3.4
24
Embodied Energy, MJ/kg 54
170
Embodied Water, L/kg 390
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 60
220
Stiffness to Weight: Axial, points 6.1
13
Stiffness to Weight: Bending, points 17
63
Strength to Weight: Axial, points 6.8
31
Strength to Weight: Bending, points 9.0
41
Thermal Diffusivity, mm2/s 17
59
Thermal Shock Resistance, points 8.3
12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 76.1 to 84
0 to 0.1
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 9.0 to 12
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 7.0 to 9.0
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.8
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3