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M1A Magnesium vs. C65500 Bronze

M1A magnesium belongs to the magnesium alloys classification, while C65500 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 M1A magnesium and the bottom bar is C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 5.5
4.0 to 70
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 120
260 to 440
Tensile Strength: Ultimate (UTS), MPa 230
360 to 760
Tensile Strength: Yield (Proof), MPa 130
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 610
1030
Melting Onset (Solidus), °C 580
970
Specific Heat Capacity, J/kg-K 990
400
Thermal Conductivity, W/m-K 150
36
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 190
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.7
8.6
Embodied Carbon, kg CO2/kg material 24
2.7
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 970
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 180
62 to 790
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 38
12 to 24
Strength to Weight: Bending, points 49
13 to 21
Thermal Diffusivity, mm2/s 88
10
Thermal Shock Resistance, points 13
12 to 26

Alloy Composition

Calcium (Ca), % 0 to 0.3
0
Copper (Cu), % 0 to 0.050
91.5 to 96.7
Iron (Fe), % 0
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 97.2 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0.5 to 1.3
Nickel (Ni), % 0 to 0.010
0 to 0.6
Silicon (Si), % 0 to 0.1
2.8 to 3.8
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5