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AM100A Magnesium vs. C23400 Brass

AM100A magnesium belongs to the magnesium alloys classification, while C23400 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 AM100A magnesium and the bottom bar is C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
42
Tensile Strength: Ultimate (UTS), MPa 160 to 270
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 590
970
Melting Onset (Solidus), °C 460
930
Specific Heat Capacity, J/kg-K 990
390
Thermal Conductivity, W/m-K 73
120
Thermal Expansion, µm/m-K 25
19

Otherwise Unclassified Properties

Base Metal Price, % relative 12
27
Density, g/cm3 1.7
8.5
Embodied Carbon, kg CO2/kg material 22
2.6
Embodied Energy, MJ/kg 160
43
Embodied Water, L/kg 1000
320

Common Calculations

Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 70
19
Strength to Weight: Axial, points 25 to 44
12 to 21
Strength to Weight: Bending, points 38 to 54
13 to 19
Thermal Diffusivity, mm2/s 43
36
Thermal Shock Resistance, points 9.7 to 17
12 to 22

Alloy Composition

Aluminum (Al), % 9.3 to 10.7
0
Copper (Cu), % 0 to 0.1
81 to 84
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 87.9 to 90.6
0
Manganese (Mn), % 0.1 to 0.35
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.3
0
Zinc (Zn), % 0 to 0.3
15.7 to 19
Residuals, % 0
0 to 0.2