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C90400 Bronze vs. ZE41A Magnesium

C90400 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 C90400 bronze and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
63
Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 24
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
18
Tensile Strength: Ultimate (UTS), MPa 310
210
Tensile Strength: Yield (Proof), MPa 180
140

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 990
640
Melting Onset (Solidus), °C 850
540
Specific Heat Capacity, J/kg-K 370
970
Thermal Conductivity, W/m-K 75
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
27
Electrical Conductivity: Equal Weight (Specific), % IACS 12
130

Otherwise Unclassified Properties

Base Metal Price, % relative 34
18
Density, g/cm3 8.7
1.9
Embodied Carbon, kg CO2/kg material 3.5
24
Embodied Energy, MJ/kg 56
170
Embodied Water, L/kg 370
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 150
220
Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 18
63
Strength to Weight: Axial, points 10
31
Strength to Weight: Bending, points 12
41
Thermal Diffusivity, mm2/s 23
59
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 86 to 89
0 to 0.1
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 0.010
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), % 0.1 to 0.65
0
Tin (Sn), % 7.5 to 8.5
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 1.0 to 5.0
3.5 to 5.0
Zirconium (Zr), % 0 to 0.1
0.4 to 1.0
Residuals, % 0
0 to 0.3