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CC754S Brass vs. ZE41A Magnesium

CC754S 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 CC754S brass and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
63
Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 11
3.3
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Tensile Strength: Ultimate (UTS), MPa 320
210
Tensile Strength: Yield (Proof), MPa 160
140

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 830
640
Melting Onset (Solidus), °C 780
540
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 95
110
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 30
130

Otherwise Unclassified Properties

Base Metal Price, % relative 23
18
Density, g/cm3 8.1
1.9
Embodied Carbon, kg CO2/kg material 2.8
24
Embodied Energy, MJ/kg 47
170
Embodied Water, L/kg 330
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 130
220
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 11
31
Strength to Weight: Bending, points 13
41
Thermal Diffusivity, mm2/s 31
59
Thermal Shock Resistance, points 10
12

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Copper (Cu), % 57 to 63
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0.5 to 2.5
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0
Tin (Sn), % 0 to 1.0
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 30.2 to 42.5
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3