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EN-MC65220 Magnesium vs. CC754S Brass

EN-MC65220 magnesium belongs to the magnesium alloys classification, while CC754S brass belongs to the copper alloys. There are 28 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 EN-MC65220 magnesium and the bottom bar is CC754S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
90
Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 2.2
11
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 270
320
Tensile Strength: Yield (Proof), MPa 200
160

Thermal Properties

Latent Heat of Fusion, J/g 340
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 610
830
Melting Onset (Solidus), °C 550
780
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
95
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
30

Otherwise Unclassified Properties

Base Metal Price, % relative 80
23
Density, g/cm3 1.9
8.1
Embodied Carbon, kg CO2/kg material 27
2.8
Embodied Energy, MJ/kg 210
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
29
Resilience: Unit (Modulus of Resilience), kJ/m3 450
130
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
11
Strength to Weight: Bending, points 49
13
Thermal Diffusivity, mm2/s 61
31
Thermal Shock Resistance, points 17
10

Alloy Composition


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Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 0.050 to 0.1
57 to 63
Iron (Fe), % 0 to 0.010
0 to 0.7
Lead (Pb), % 0
0.5 to 2.5
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.3
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0 to 1.0
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
30.2 to 42.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0