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QE22A Magnesium vs. C75700 Nickel Silver

QE22A magnesium belongs to the magnesium alloys classification, while C75700 nickel silver belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.4
3.2 to 22
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
45
Shear Strength, MPa 150
350 to 370
Tensile Strength: Ultimate (UTS), MPa 250
590 to 610
Tensile Strength: Yield (Proof), MPa 190
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 340
200
Maximum Temperature: Mechanical, °C 250
180
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 570
990
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.6

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.4
Embodied Carbon, kg CO2/kg material 27
3.6
Embodied Energy, MJ/kg 220
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 400
930 to 1410
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 60
19
Strength to Weight: Axial, points 36
19 to 20
Strength to Weight: Bending, points 46
19
Thermal Diffusivity, mm2/s 59
12
Thermal Shock Resistance, points 15
22 to 23

Alloy Composition

Copper (Cu), % 0 to 0.1
63.5 to 66.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 93.1 to 95.8
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
11 to 13
Silver (Ag), % 2.0 to 3.0
0
Unspecified Rare Earths, % 1.8 to 2.5
0
Zinc (Zn), % 0
19.2 to 25.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.5