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CC761S Brass vs. EN-MC32110 Magnesium

CC761S brass belongs to the copper alloys classification, while EN-MC32110 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 CC761S brass and the bottom bar is EN-MC32110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
60
Elastic (Young's, Tensile) Modulus, GPa 110
49
Elongation at Break, % 8.7
2.2
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
19
Tensile Strength: Ultimate (UTS), MPa 540
220
Tensile Strength: Yield (Proof), MPa 340
140

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 170
99
Melting Completion (Liquidus), °C 960
600
Melting Onset (Solidus), °C 910
500
Specific Heat Capacity, J/kg-K 410
950
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
32
Electrical Conductivity: Equal Weight (Specific), % IACS 43
140

Otherwise Unclassified Properties

Base Metal Price, % relative 27
13
Density, g/cm3 8.3
2.1
Embodied Carbon, kg CO2/kg material 2.7
22
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 300
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 530
210
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
58
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
38
Thermal Diffusivity, mm2/s 8.0
58
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.2
Antimony (Sb), % 0 to 0.050
0
Copper (Cu), % 78 to 83
2.4 to 3.0
Iron (Fe), % 0 to 0.6
0 to 0.050
Lead (Pb), % 0 to 0.8
0
Magnesium (Mg), % 0
89.3 to 91.9
Manganese (Mn), % 0 to 0.2
0.25 to 0.75
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 3.0 to 5.0
0 to 0.2
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 8.9 to 19
5.5 to 6.5
Residuals, % 0
0 to 0.010