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AM50A Magnesium vs. C14200 Copper

AM50A magnesium belongs to the magnesium alloys classification, while C14200 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 AM50A magnesium and the bottom bar is C14200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 11
8.0 to 45
Fatigue Strength, MPa 70
76 to 130
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 120
150 to 200
Tensile Strength: Ultimate (UTS), MPa 210
220 to 370
Tensile Strength: Yield (Proof), MPa 120
75 to 340

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 620
1080
Melting Onset (Solidus), °C 570
1030
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 65
190
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
45
Electrical Conductivity: Equal Weight (Specific), % IACS 88
45

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
41
Embodied Water, L/kg 990
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
29 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 150
24 to 500
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 35
6.8 to 11
Strength to Weight: Bending, points 47
9.1 to 13
Thermal Diffusivity, mm2/s 39
56
Thermal Shock Resistance, points 13
7.9 to 13

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0
Arsenic (As), % 0
0.15 to 0.5
Copper (Cu), % 0 to 0.010
99.4 to 99.835
Iron (Fe), % 0 to 0.0040
0
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0.015 to 0.040
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.22
0