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ZE63A Magnesium vs. CC767S Brass

ZE63A 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 (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 ZE63A magnesium and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
86
Elastic (Young's, Tensile) Modulus, GPa 46
110
Elongation at Break, % 7.7
34
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 300
430
Tensile Strength: Yield (Proof), MPa 190
150

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 510
840
Melting Onset (Solidus), °C 390
790
Specific Heat Capacity, J/kg-K 950
390
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
32
Electrical Conductivity: Equal Weight (Specific), % IACS 140
36

Otherwise Unclassified Properties

Base Metal Price, % relative 22
23
Density, g/cm3 2.0
8.0
Embodied Carbon, kg CO2/kg material 24
2.7
Embodied Energy, MJ/kg 180
47
Embodied Water, L/kg 920
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
110
Resilience: Unit (Modulus of Resilience), kJ/m3 400
100
Stiffness to Weight: Axial, points 12
7.3
Stiffness to Weight: Bending, points 58
20
Strength to Weight: Axial, points 40
15
Strength to Weight: Bending, points 48
16
Thermal Diffusivity, mm2/s 57
34
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.8
Copper (Cu), % 0 to 0.1
58 to 64
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 89.6 to 92
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
0 to 1.0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0
0 to 0.1
Unspecified Rare Earths, % 2.1 to 3.0
0
Zinc (Zn), % 5.5 to 6.0
32.8 to 41.9
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0