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ISO-WD43150 Magnesium vs. C32000 Brass

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C32000 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.8
6.8 to 29
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
41
Shear Strength, MPa 140
180 to 280
Tensile Strength: Ultimate (UTS), MPa 250
270 to 470
Tensile Strength: Yield (Proof), MPa 150
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 610
1020
Melting Onset (Solidus), °C 590
990
Specific Heat Capacity, J/kg-K 990
380
Thermal Conductivity, W/m-K 140
160
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
36
Electrical Conductivity: Equal Weight (Specific), % IACS 170
37

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 970
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 250
28 to 680
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 41
8.8 to 15
Strength to Weight: Bending, points 52
11 to 16
Thermal Diffusivity, mm2/s 81
47
Thermal Shock Resistance, points 14
9.5 to 16

Alloy Composition


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Copper (Cu), % 0 to 0.050
83.5 to 86.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
1.5 to 2.2
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0 to 0.25
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0
10.6 to 15
Residuals, % 0 to 0.3
0 to 0.4