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ZK40A Magnesium vs. C63600 Bronze

ZK40A magnesium belongs to the magnesium alloys classification, while C63600 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 ZK40A magnesium and the bottom bar is C63600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 4.2
30 to 66
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
42
Shear Strength, MPa 160
320 to 360
Tensile Strength: Ultimate (UTS), MPa 280
410 to 540
Tensile Strength: Yield (Proof), MPa 260
150 to 260

Thermal Properties

Latent Heat of Fusion, J/g 340
230
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 600
1030
Melting Onset (Solidus), °C 540
980
Specific Heat Capacity, J/kg-K 970
410
Thermal Conductivity, W/m-K 110
57
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
12
Electrical Conductivity: Equal Weight (Specific), % IACS 130
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 1.8
8.6
Embodied Carbon, kg CO2/kg material 24
2.8
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 950
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
98 to 290
Resilience: Unit (Modulus of Resilience), kJ/m3 740
100 to 300
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 65
19
Strength to Weight: Axial, points 43
13 to 18
Strength to Weight: Bending, points 53
14 to 17
Thermal Diffusivity, mm2/s 62
16
Thermal Shock Resistance, points 17
15 to 20

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Arsenic (As), % 0
0 to 0.15
Copper (Cu), % 0
93 to 96.3
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 94.2 to 96.1
0
Nickel (Ni), % 0
0 to 0.15
Silicon (Si), % 0
0.7 to 1.3
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 3.5 to 4.5
0 to 0.5
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0
0 to 0.5