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C23000 Brass vs. ZC63A Magnesium

C23000 brass belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 C23000 brass and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
48
Elongation at Break, % 2.9 to 47
3.3
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
19
Shear Strength, MPa 220 to 340
130
Tensile Strength: Ultimate (UTS), MPa 280 to 590
220
Tensile Strength: Yield (Proof), MPa 83 to 480
130

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 170
98
Melting Completion (Liquidus), °C 1030
550
Melting Onset (Solidus), °C 990
470
Specific Heat Capacity, J/kg-K 390
950
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
32
Electrical Conductivity: Equal Weight (Specific), % IACS 39
140

Otherwise Unclassified Properties

Base Metal Price, % relative 28
13
Density, g/cm3 8.6
2.1
Embodied Carbon, kg CO2/kg material 2.6
22
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 310
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.2 to 260
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 31 to 1040
190
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
58
Strength to Weight: Axial, points 8.9 to 19
29
Strength to Weight: Bending, points 11 to 18
38
Thermal Diffusivity, mm2/s 48
58
Thermal Shock Resistance, points 9.4 to 20
12

Alloy Composition

Copper (Cu), % 84 to 86
2.4 to 3.0
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.2
Zinc (Zn), % 13.7 to 16
5.5 to 6.5
Residuals, % 0 to 0.2
0 to 0.3