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AM50A Magnesium vs. C84500 Brass

AM50A magnesium belongs to the magnesium alloys classification, while C84500 brass 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 AM50A magnesium and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
55
Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 11
28
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
39
Tensile Strength: Ultimate (UTS), MPa 210
240
Tensile Strength: Yield (Proof), MPa 120
97

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 620
980
Melting Onset (Solidus), °C 570
840
Specific Heat Capacity, J/kg-K 1000
360
Thermal Conductivity, W/m-K 65
72
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
16
Electrical Conductivity: Equal Weight (Specific), % IACS 88
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
2.9
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 990
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
54
Resilience: Unit (Modulus of Resilience), kJ/m3 150
45
Stiffness to Weight: Axial, points 15
6.6
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 35
7.7
Strength to Weight: Bending, points 47
9.8
Thermal Diffusivity, mm2/s 39
23
Thermal Shock Resistance, points 13
8.6

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 0 to 0.010
77 to 79
Iron (Fe), % 0 to 0.0040
0 to 0.4
Lead (Pb), % 0
6.0 to 7.5
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 0 to 0.22
10 to 14
Residuals, % 0
0 to 0.7