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ISO-WD43150 Magnesium vs. CC750S Brass

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while CC750S 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 ISO-WD43150 magnesium and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.8
13
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 18
40
Tensile Strength: Ultimate (UTS), MPa 250
200
Tensile Strength: Yield (Proof), MPa 150
80

Thermal Properties

Latent Heat of Fusion, J/g 350
170
Maximum Temperature: Mechanical, °C 95
130
Melting Completion (Liquidus), °C 610
860
Melting Onset (Solidus), °C 590
810
Specific Heat Capacity, J/kg-K 990
380
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
24
Electrical Conductivity: Equal Weight (Specific), % IACS 170
26

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 1.7
8.2
Embodied Carbon, kg CO2/kg material 24
2.8
Embodied Energy, MJ/kg 160
46
Embodied Water, L/kg 970
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
22
Resilience: Unit (Modulus of Resilience), kJ/m3 250
30
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 41
6.8
Strength to Weight: Bending, points 52
9.3
Thermal Diffusivity, mm2/s 81
35
Thermal Shock Resistance, points 14
6.7

Alloy Composition


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Aluminum (Al), % 0
0 to 0.1
Copper (Cu), % 0 to 0.050
62 to 67
Iron (Fe), % 0
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0 to 0.2
Nickel (Ni), % 0 to 0.010
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.050
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
26.3 to 36
Residuals, % 0 to 0.3
0