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EN-MC21210 Magnesium vs. C61300 Bronze

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C61300 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-MC21210 magnesium and the bottom bar is C61300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 14
34 to 40
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 110
370 to 390
Tensile Strength: Ultimate (UTS), MPa 190
550 to 580
Tensile Strength: Yield (Proof), MPa 90
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 350
220
Maximum Temperature: Mechanical, °C 100
210
Melting Completion (Liquidus), °C 600
1050
Melting Onset (Solidus), °C 570
1040
Specific Heat Capacity, J/kg-K 1000
420
Thermal Conductivity, W/m-K 120
55
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
12
Electrical Conductivity: Equal Weight (Specific), % IACS 130
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.6
8.5
Embodied Carbon, kg CO2/kg material 24
3.0
Embodied Energy, MJ/kg 160
49
Embodied Water, L/kg 980
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 92
230 to 410
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 72
19
Strength to Weight: Axial, points 32
18 to 19
Strength to Weight: Bending, points 44
18
Thermal Diffusivity, mm2/s 76
15
Thermal Shock Resistance, points 11
19 to 20

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
6.0 to 7.5
Copper (Cu), % 0 to 0.010
88 to 91.8
Iron (Fe), % 0 to 0.0050
2.0 to 3.0
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0 to 0.2
Nickel (Ni), % 0 to 0.0020
0 to 0.15
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.1
Tin (Sn), % 0
0.2 to 0.5
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0 to 0.010
0 to 0.2