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ZC63A Magnesium vs. C94800 Bronze

ZC63A magnesium belongs to the magnesium alloys classification, while C94800 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 ZC63A magnesium and the bottom bar is C94800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 19
43
Tensile Strength: Ultimate (UTS), MPa 220
310
Tensile Strength: Yield (Proof), MPa 130
160

Thermal Properties

Latent Heat of Fusion, J/g 330
200
Maximum Temperature: Mechanical, °C 98
190
Melting Completion (Liquidus), °C 550
1030
Melting Onset (Solidus), °C 470
900
Specific Heat Capacity, J/kg-K 950
380
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
12
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
34
Density, g/cm3 2.1
8.8
Embodied Carbon, kg CO2/kg material 22
3.5
Embodied Energy, MJ/kg 150
56
Embodied Water, L/kg 920
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
58
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 58
18
Strength to Weight: Axial, points 29
9.8
Strength to Weight: Bending, points 38
12
Thermal Diffusivity, mm2/s 58
12
Thermal Shock Resistance, points 12
11

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 2.4 to 3.0
84 to 89
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0.3 to 1.0
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 0.2
Nickel (Ni), % 0 to 0.010
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 5.5 to 6.5
1.0 to 2.5
Residuals, % 0 to 0.3
0 to 1.3