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CC766S Brass vs. ZE41A Magnesium

CC766S brass belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 CC766S brass and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
63
Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 28
3.3
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Tensile Strength: Ultimate (UTS), MPa 500
210
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 180
330
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 840
640
Melting Onset (Solidus), °C 800
540
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 89
110
Thermal Expansion, µm/m-K 20
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
27
Electrical Conductivity: Equal Weight (Specific), % IACS 36
130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
18
Density, g/cm3 8.0
1.9
Embodied Carbon, kg CO2/kg material 2.8
24
Embodied Energy, MJ/kg 48
170
Embodied Water, L/kg 330
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 180
220
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
63
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 18
41
Thermal Diffusivity, mm2/s 28
59
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0.3 to 1.8
0
Antimony (Sb), % 0 to 0.1
0
Copper (Cu), % 58 to 64
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 2.0
0 to 0.010
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0 to 0.5
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 29.5 to 41.7
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3