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ZC63A Magnesium vs. CC767S Brass

ZC63A magnesium belongs to the magnesium alloys classification, while CC767S brass 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 ZC63A magnesium and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
86
Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
34
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 19
40
Tensile Strength: Ultimate (UTS), MPa 220
430
Tensile Strength: Yield (Proof), MPa 130
150

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 98
120
Melting Completion (Liquidus), °C 550
840
Melting Onset (Solidus), °C 470
790
Specific Heat Capacity, J/kg-K 950
390
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
32
Electrical Conductivity: Equal Weight (Specific), % IACS 140
36

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 2.1
8.0
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 920
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
100
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 58
20
Strength to Weight: Axial, points 29
15
Strength to Weight: Bending, points 38
16
Thermal Diffusivity, mm2/s 58
34
Thermal Shock Resistance, points 12
14

Alloy Composition


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Aluminum (Al), % 0
0.1 to 0.8
Copper (Cu), % 2.4 to 3.0
58 to 64
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 0.5
Nickel (Ni), % 0 to 0.010
0 to 1.0
Silicon (Si), % 0 to 0.2
0 to 0.2
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 5.5 to 6.5
32.8 to 41.9
Residuals, % 0 to 0.3
0