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QE22A Magnesium vs. C60800 Bronze

QE22A magnesium belongs to the magnesium alloys classification, while C60800 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 QE22A magnesium and the bottom bar is C60800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.4
55
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
46
Shear Strength, MPa 150
290
Tensile Strength: Ultimate (UTS), MPa 250
390
Tensile Strength: Yield (Proof), MPa 190
150

Thermal Properties

Latent Heat of Fusion, J/g 340
220
Maximum Temperature: Mechanical, °C 250
210
Melting Completion (Liquidus), °C 640
1060
Melting Onset (Solidus), °C 570
1050
Specific Heat Capacity, J/kg-K 970
410
Thermal Conductivity, W/m-K 110
80
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
17
Electrical Conductivity: Equal Weight (Specific), % IACS 120
18

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.6
Embodied Carbon, kg CO2/kg material 27
2.9
Embodied Energy, MJ/kg 220
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
170
Resilience: Unit (Modulus of Resilience), kJ/m3 400
94
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 60
19
Strength to Weight: Axial, points 36
13
Strength to Weight: Bending, points 46
14
Thermal Diffusivity, mm2/s 59
23
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.5
Arsenic (As), % 0
0.020 to 0.35
Copper (Cu), % 0 to 0.1
92.5 to 95
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 93.1 to 95.8
0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 2.0 to 3.0
0
Unspecified Rare Earths, % 1.8 to 2.5
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.5