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C66200 Brass vs. ZC63A Magnesium

C66200 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 (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 C66200 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, % 8.0 to 15
3.3
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
19
Shear Strength, MPa 270 to 300
130
Tensile Strength: Ultimate (UTS), MPa 450 to 520
220
Tensile Strength: Yield (Proof), MPa 410 to 480
130

Thermal Properties

Latent Heat of Fusion, J/g 200
330
Maximum Temperature: Mechanical, °C 180
98
Melting Completion (Liquidus), °C 1070
550
Melting Onset (Solidus), °C 1030
470
Specific Heat Capacity, J/kg-K 390
950
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
32
Electrical Conductivity: Equal Weight (Specific), % IACS 36
140

Otherwise Unclassified Properties

Base Metal Price, % relative 29
13
Density, g/cm3 8.7
2.1
Embodied Carbon, kg CO2/kg material 2.7
22
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 320
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 66
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 760 to 1030
190
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
58
Strength to Weight: Axial, points 14 to 17
29
Strength to Weight: Bending, points 15 to 16
38
Thermal Diffusivity, mm2/s 45
58
Thermal Shock Resistance, points 16 to 18
12

Alloy Composition

Copper (Cu), % 86.6 to 91
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), % 0.3 to 1.0
0 to 0.010
Phosphorus (P), % 0.050 to 0.2
0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0.2 to 0.7
0
Zinc (Zn), % 6.5 to 12.9
5.5 to 6.5
Residuals, % 0 to 0.5
0 to 0.3