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CC760S Brass vs. WE43A Magnesium

CC760S brass belongs to the copper alloys classification, while WE43A magnesium belongs to the magnesium alloys. There are 28 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 CC760S brass and the bottom bar is WE43A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 22
5.2 to 5.4
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
17
Tensile Strength: Ultimate (UTS), MPa 180
250 to 270
Tensile Strength: Yield (Proof), MPa 80
160 to 170

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 940
570
Specific Heat Capacity, J/kg-K 390
960
Thermal Conductivity, W/m-K 150
51
Thermal Expansion, µm/m-K 19
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
12
Electrical Conductivity: Equal Weight (Specific), % IACS 40
55

Otherwise Unclassified Properties

Base Metal Price, % relative 28
34
Density, g/cm3 8.6
1.9
Embodied Carbon, kg CO2/kg material 2.6
28
Embodied Energy, MJ/kg 43
250
Embodied Water, L/kg 320
910

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
12
Resilience: Unit (Modulus of Resilience), kJ/m3 29
280 to 310
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
61
Strength to Weight: Axial, points 5.8
36 to 39
Strength to Weight: Bending, points 8.2
46 to 48
Thermal Diffusivity, mm2/s 45
28
Thermal Shock Resistance, points 6.2
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.010
Lead (Pb), % 0 to 0.5
0
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
89.5 to 93.5
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0 to 0.1
0 to 0.0050
Silicon (Si), % 0 to 0.020
0 to 0.010
Tin (Sn), % 0 to 0.3
0
Unspecified Rare Earths, % 0
2.4 to 4.4
Yttrium (Y), % 0
3.7 to 4.3
Zinc (Zn), % 10.7 to 17
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3