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EN-MC21230 Magnesium vs. C62400 Bronze

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C62400 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 EN-MC21230 magnesium and the bottom bar is C62400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 10
11 to 14
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
42
Shear Strength, MPa 130
420 to 440
Tensile Strength: Ultimate (UTS), MPa 220
690 to 730
Tensile Strength: Yield (Proof), MPa 140
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 350
230
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 600
1040
Melting Onset (Solidus), °C 520
1030
Specific Heat Capacity, J/kg-K 1000
440
Thermal Conductivity, W/m-K 72
59
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
12
Electrical Conductivity: Equal Weight (Specific), % IACS 63
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
27
Density, g/cm3 1.7
8.2
Embodied Carbon, kg CO2/kg material 23
3.2
Embodied Energy, MJ/kg 160
53
Embodied Water, L/kg 990
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
68 to 77
Resilience: Unit (Modulus of Resilience), kJ/m3 200
320 to 550
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 71
20
Strength to Weight: Axial, points 36
23 to 25
Strength to Weight: Bending, points 48
21 to 22
Thermal Diffusivity, mm2/s 43
16
Thermal Shock Resistance, points 13
25 to 26

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
10 to 11.5
Copper (Cu), % 0 to 0.010
82.8 to 88
Iron (Fe), % 0 to 0.0050
2.0 to 4.5
Magnesium (Mg), % 90.5 to 94.4
0
Manganese (Mn), % 0.1 to 0.6
0 to 0.3
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0 to 0.25
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.010
0 to 0.5