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EN-MC21230 Magnesium vs. C50100 Bronze

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C50100 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 EN-MC21230 magnesium and the bottom bar is C50100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 10
40
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 130
180
Tensile Strength: Ultimate (UTS), MPa 220
270
Tensile Strength: Yield (Proof), MPa 140
82

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 600
1080
Melting Onset (Solidus), °C 520
1070
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 72
230
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
55
Electrical Conductivity: Equal Weight (Specific), % IACS 63
55

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
2.6
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 990
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
82
Resilience: Unit (Modulus of Resilience), kJ/m3 200
29
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 36
8.3
Strength to Weight: Bending, points 48
10
Thermal Diffusivity, mm2/s 43
66
Thermal Shock Resistance, points 13
9.5

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
0
Copper (Cu), % 0 to 0.010
98.6 to 99.49
Iron (Fe), % 0 to 0.0050
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 90.5 to 94.4
0
Manganese (Mn), % 0.1 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0.010 to 0.050
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.5 to 0.8
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.010
0 to 0.5