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WE43B Magnesium vs. C43000 Brass

WE43B magnesium belongs to the magnesium alloys classification, while C43000 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 WE43B magnesium and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.2
3.0 to 55
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
42
Shear Strength, MPa 140
230 to 410
Tensile Strength: Ultimate (UTS), MPa 250
320 to 710
Tensile Strength: Yield (Proof), MPa 200
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
1030
Melting Onset (Solidus), °C 550
1000
Specific Heat Capacity, J/kg-K 960
380
Thermal Conductivity, W/m-K 51
120
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 53
28

Otherwise Unclassified Properties

Base Metal Price, % relative 34
29
Density, g/cm3 1.9
8.6
Embodied Carbon, kg CO2/kg material 28
2.8
Embodied Energy, MJ/kg 250
46
Embodied Water, L/kg 910
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 430
82 to 1350
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 61
19
Strength to Weight: Axial, points 36
10 to 23
Strength to Weight: Bending, points 46
12 to 20
Thermal Diffusivity, mm2/s 28
36
Thermal Shock Resistance, points 15
11 to 25

Alloy Composition


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Copper (Cu), % 0 to 0.020
84 to 87
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
0
Tin (Sn), % 0
1.7 to 2.7
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
9.7 to 14.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.5