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ZC63A Magnesium vs. C66200 Brass

ZC63A magnesium belongs to the magnesium alloys classification, while C66200 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 C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
8.0 to 15
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
42
Shear Strength, MPa 130
270 to 300
Tensile Strength: Ultimate (UTS), MPa 220
450 to 520
Tensile Strength: Yield (Proof), MPa 130
410 to 480

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Copper (Cu), % 2.4 to 3.0
86.6 to 91
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0.3 to 1.0
Phosphorus (P), % 0
0.050 to 0.2
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
0.2 to 0.7
Zinc (Zn), % 5.5 to 6.5
6.5 to 12.9
Residuals, % 0 to 0.3
0 to 0.5