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ZC63A Magnesium vs. CC751S Brass

ZC63A magnesium belongs to the magnesium alloys classification, while CC751S 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 CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
130
Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
5.6
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 19
40
Tensile Strength: Ultimate (UTS), MPa 220
450
Tensile Strength: Yield (Proof), MPa 130
320

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 98
130
Melting Completion (Liquidus), °C 550
850
Melting Onset (Solidus), °C 470
810
Specific Heat Capacity, J/kg-K 950
390
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
28

Otherwise Unclassified Properties

Base Metal Price, % relative 13
24
Density, g/cm3 2.1
8.1
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 920
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
23
Resilience: Unit (Modulus of Resilience), kJ/m3 190
480
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
15
Strength to Weight: Bending, points 38
16
Thermal Diffusivity, mm2/s 58
35
Thermal Shock Resistance, points 12
15

Alloy Composition


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Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 2.4 to 3.0
62.7 to 66
Iron (Fe), % 0
0.25 to 0.5
Lead (Pb), % 0
0.8 to 2.2
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 0.15
Nickel (Ni), % 0 to 0.010
0 to 0.8
Silicon (Si), % 0 to 0.2
0.65 to 1.1
Tin (Sn), % 0
0 to 0.8
Zinc (Zn), % 5.5 to 6.5
27.9 to 35.6
Residuals, % 0 to 0.3
0