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C85400 Brass vs. ZC63A Magnesium

C85400 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 C85400 brass and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
60
Elastic (Young's, Tensile) Modulus, GPa 100
48
Elongation at Break, % 23
3.3
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
19
Tensile Strength: Ultimate (UTS), MPa 220
220
Tensile Strength: Yield (Proof), MPa 85
130

Thermal Properties

Latent Heat of Fusion, J/g 180
330
Maximum Temperature: Mechanical, °C 130
98
Melting Completion (Liquidus), °C 940
550
Melting Onset (Solidus), °C 940
470
Specific Heat Capacity, J/kg-K 380
950
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
32
Electrical Conductivity: Equal Weight (Specific), % IACS 22
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
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: Ultimate (Unit Rupture Work), MJ/m3 40
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 35
190
Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 19
58
Strength to Weight: Axial, points 7.5
29
Strength to Weight: Bending, points 9.9
38
Thermal Diffusivity, mm2/s 28
58
Thermal Shock Resistance, points 7.6
12

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Copper (Cu), % 65 to 70
2.4 to 3.0
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 1.5 to 3.8
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0 to 1.0
0 to 0.010
Silicon (Si), % 0 to 0.050
0 to 0.2
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
5.5 to 6.5
Residuals, % 0
0 to 0.3