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CC763S Brass vs. QE22A Magnesium

CC763S brass belongs to the copper alloys classification, while QE22A magnesium belongs to the magnesium 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 CC763S brass and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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