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C93700 Bronze vs. ZC63A Magnesium

C93700 bronze belongs to the copper alloys classification, while ZC63A 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 C93700 bronze and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
48
Elongation at Break, % 20
3.3
Fatigue Strength, MPa 90
94
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 37
19
Tensile Strength: Ultimate (UTS), MPa 240
220
Tensile Strength: Yield (Proof), MPa 130
130

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 140
98
Melting Completion (Liquidus), °C 930
550
Melting Onset (Solidus), °C 760
470
Solidification (Pattern Maker's) Shrinkage, % 1.1
1.6
Specific Heat Capacity, J/kg-K 350
950
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
32
Electrical Conductivity: Equal Weight (Specific), % IACS 10
140

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.9
2.1
Embodied Carbon, kg CO2/kg material 3.5
22
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 390
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 79
190
Stiffness to Weight: Axial, points 6.2
13
Stiffness to Weight: Bending, points 17
58
Strength to Weight: Axial, points 7.5
29
Strength to Weight: Bending, points 9.6
38
Thermal Diffusivity, mm2/s 15
58
Thermal Shock Resistance, points 9.4
12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 78 to 82
2.4 to 3.0
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 8.0 to 11
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.2
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.8
5.5 to 6.5
Residuals, % 0
0 to 0.3