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C44300 Brass vs. ZC63A Magnesium

C44300 brass belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 26 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 C44300 brass and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
48
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
19
Tensile Strength: Ultimate (UTS), MPa 350
220
Tensile Strength: Yield (Proof), MPa 120
130

Thermal Properties

Latent Heat of Fusion, J/g 180
330
Maximum Temperature: Mechanical, °C 140
98
Melting Completion (Liquidus), °C 940
550
Melting Onset (Solidus), °C 900
470
Specific Heat Capacity, J/kg-K 380
950
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
32
Electrical Conductivity: Equal Weight (Specific), % IACS 27
140

Otherwise Unclassified Properties

Base Metal Price, % relative 26
13
Density, g/cm3 8.3
2.1
Embodied Carbon, kg CO2/kg material 2.8
22
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
920

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
190
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
58
Strength to Weight: Axial, points 12
29
Strength to Weight: Bending, points 13
38
Thermal Diffusivity, mm2/s 35
58
Thermal Shock Resistance, points 12
12

Alloy Composition

Arsenic (As), % 0.020 to 0.060
0
Copper (Cu), % 70 to 73
2.4 to 3.0
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
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
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
5.5 to 6.5
Residuals, % 0 to 0.4
0 to 0.3