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EN-MC65220 Magnesium vs. C41300 Brass

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C41300 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 C41300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.2
2.0 to 44
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
42
Shear Strength, MPa 150
230 to 370
Tensile Strength: Ultimate (UTS), MPa 270
300 to 630
Tensile Strength: Yield (Proof), MPa 200
120 to 570

Thermal Properties

Latent Heat of Fusion, J/g 340
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 610
1040
Melting Onset (Solidus), °C 550
1010
Specific Heat Capacity, J/kg-K 980
380
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
30
Electrical Conductivity: Equal Weight (Specific), % IACS 120
31

Otherwise Unclassified Properties

Base Metal Price, % relative 80
29
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 27
2.7
Embodied Energy, MJ/kg 210
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
11 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
69 to 1440
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 40
9.6 to 20
Strength to Weight: Bending, points 49
11 to 19
Thermal Diffusivity, mm2/s 61
40
Thermal Shock Resistance, points 17
11 to 22

Alloy Composition


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Copper (Cu), % 0.050 to 0.1
89 to 93
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0.7 to 1.3
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
5.1 to 10.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5