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EN-MC21230 Magnesium vs. C43500 Brass

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C43500 brass belongs to the copper 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 EN-MC21230 magnesium and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 10
8.5 to 46
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
42
Shear Strength, MPa 130
220 to 310
Tensile Strength: Ultimate (UTS), MPa 220
320 to 530
Tensile Strength: Yield (Proof), MPa 140
120 to 480

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 600
1000
Melting Onset (Solidus), °C 520
970
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 72
120
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
28
Electrical Conductivity: Equal Weight (Specific), % IACS 63
30

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 1.7
8.5
Embodied Carbon, kg CO2/kg material 23
2.7
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 990
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
65 to 1040
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 36
10 to 17
Strength to Weight: Bending, points 48
12 to 17
Thermal Diffusivity, mm2/s 43
37
Thermal Shock Resistance, points 13
11 to 18

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
0
Copper (Cu), % 0 to 0.010
79 to 83
Iron (Fe), % 0 to 0.0050
0 to 0.050
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 90.5 to 94.4
0
Manganese (Mn), % 0.1 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.6 to 1.2
Zinc (Zn), % 0 to 0.3
15.4 to 20.4
Residuals, % 0 to 0.010
0 to 0.3