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ZC63A Magnesium vs. C41500 Brass

ZC63A magnesium belongs to the magnesium alloys classification, while C41500 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 ZC63A magnesium and the bottom bar is C41500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
2.0 to 42
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
42
Shear Strength, MPa 130
220 to 360
Tensile Strength: Ultimate (UTS), MPa 220
340 to 560
Tensile Strength: Yield (Proof), MPa 130
190 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
200
Maximum Temperature: Mechanical, °C 98
180
Melting Completion (Liquidus), °C 550
1030
Melting Onset (Solidus), °C 470
1010
Specific Heat Capacity, J/kg-K 950
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
28
Electrical Conductivity: Equal Weight (Specific), % IACS 140
29

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 2.1
8.7
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 920
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
11 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
160 to 1340
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 58
18
Strength to Weight: Axial, points 29
11 to 18
Strength to Weight: Bending, points 38
12 to 17
Thermal Diffusivity, mm2/s 58
37
Thermal Shock Resistance, points 12
12 to 20

Alloy Composition

Copper (Cu), % 2.4 to 3.0
89 to 93
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
1.5 to 2.2
Zinc (Zn), % 5.5 to 6.5
4.2 to 9.5
Residuals, % 0 to 0.3
0 to 0.5