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C99400 Brass vs. ZC63A Magnesium

C99400 brass belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 C99400 brass and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
48
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
19
Tensile Strength: Ultimate (UTS), MPa 460 to 550
220
Tensile Strength: Yield (Proof), MPa 230 to 370
130

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 200
98
Melting Completion (Liquidus), °C 1070
550
Melting Onset (Solidus), °C 1020
470
Specific Heat Capacity, J/kg-K 400
950
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
32
Electrical Conductivity: Equal Weight (Specific), % IACS 17
140

Otherwise Unclassified Properties

Base Metal Price, % relative 30
13
Density, g/cm3 8.7
2.1
Embodied Carbon, kg CO2/kg material 2.8
22
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
920

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
190
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
58
Strength to Weight: Axial, points 15 to 17
29
Strength to Weight: Bending, points 15 to 17
38
Thermal Shock Resistance, points 16 to 19
12

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Copper (Cu), % 83.5 to 96.5
2.4 to 3.0
Iron (Fe), % 1.0 to 3.0
0
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 0.5
0.25 to 0.75
Nickel (Ni), % 1.0 to 3.5
0 to 0.010
Silicon (Si), % 0.5 to 2.0
0 to 0.2
Zinc (Zn), % 0.5 to 5.0
5.5 to 6.5
Residuals, % 0
0 to 0.3