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QE22A Magnesium vs. CC763S Brass

QE22A magnesium belongs to the magnesium alloys classification, while CC763S brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 QE22A magnesium and the bottom bar is CC763S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
130
Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.4
7.3
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 250
490
Tensile Strength: Yield (Proof), MPa 190
270

Thermal Properties

Latent Heat of Fusion, J/g 340
190
Maximum Temperature: Mechanical, °C 250
140
Melting Completion (Liquidus), °C 640
870
Melting Onset (Solidus), °C 570
830
Specific Heat Capacity, J/kg-K 970
400
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
29
Electrical Conductivity: Equal Weight (Specific), % IACS 120
32

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.0
Embodied Carbon, kg CO2/kg material 27
2.9
Embodied Energy, MJ/kg 220
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
30
Resilience: Unit (Modulus of Resilience), kJ/m3 400
340
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 60
20
Strength to Weight: Axial, points 36
17
Strength to Weight: Bending, points 46
17
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.5
Antimony (Sb), % 0
0 to 0.080
Copper (Cu), % 0 to 0.1
56.5 to 67
Iron (Fe), % 0
0.5 to 2.0
Lead (Pb), % 0
0 to 1.5
Magnesium (Mg), % 93.1 to 95.8
0
Manganese (Mn), % 0
1.0 to 3.5
Nickel (Ni), % 0 to 0.010
0 to 2.5
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 2.0 to 3.0
0
Tin (Sn), % 0
0 to 1.0
Unspecified Rare Earths, % 1.8 to 2.5
0
Zinc (Zn), % 0
18.9 to 41
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0