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AM50A Magnesium vs. C23000 Brass

AM50A magnesium belongs to the magnesium alloys classification, while C23000 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 11
2.9 to 47
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
42
Shear Strength, MPa 120
220 to 340
Tensile Strength: Ultimate (UTS), MPa 210
280 to 590
Tensile Strength: Yield (Proof), MPa 120
83 to 480

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
1030
Melting Onset (Solidus), °C 570
990
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 65
160
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
37
Electrical Conductivity: Equal Weight (Specific), % IACS 88
39

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 1.7
8.6
Embodied Carbon, kg CO2/kg material 23
2.6
Embodied Energy, MJ/kg 160
43
Embodied Water, L/kg 990
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
6.2 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 150
31 to 1040
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 35
8.9 to 19
Strength to Weight: Bending, points 47
11 to 18
Thermal Diffusivity, mm2/s 39
48
Thermal Shock Resistance, points 13
9.4 to 20

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
0
Copper (Cu), % 0 to 0.010
84 to 86
Iron (Fe), % 0 to 0.0040
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.22
13.7 to 16
Residuals, % 0
0 to 0.2