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ISO-WD43150 Magnesium vs. C37100 Brass

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C37100 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 ISO-WD43150 magnesium and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 2.8
8.0 to 40
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 18
40
Shear Strength, MPa 140
260 to 300
Tensile Strength: Ultimate (UTS), MPa 250
370 to 520
Tensile Strength: Yield (Proof), MPa 150
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 350
170
Maximum Temperature: Mechanical, °C 95
120
Melting Completion (Liquidus), °C 610
900
Melting Onset (Solidus), °C 590
890
Specific Heat Capacity, J/kg-K 990
380
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
27
Electrical Conductivity: Equal Weight (Specific), % IACS 170
30

Otherwise Unclassified Properties

Base Metal Price, % relative 12
23
Density, g/cm3 1.7
8.0
Embodied Carbon, kg CO2/kg material 24
2.7
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 970
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
110 to 750
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
20
Strength to Weight: Axial, points 41
13 to 18
Strength to Weight: Bending, points 52
14 to 18
Thermal Diffusivity, mm2/s 81
39
Thermal Shock Resistance, points 14
12 to 17

Alloy Composition


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Copper (Cu), % 0 to 0.050
58 to 62
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0.6 to 1.2
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0
36.3 to 41.4
Residuals, % 0 to 0.3
0 to 0.4