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Nickel 625 vs. QE22A Magnesium

Nickel 625 belongs to the nickel alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 28 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 nickel 625 and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 33 to 34
2.4
Fatigue Strength, MPa 240 to 320
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
17
Shear Strength, MPa 530 to 600
150
Tensile Strength: Ultimate (UTS), MPa 790 to 910
250
Tensile Strength: Yield (Proof), MPa 320 to 450
190

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 980
250
Melting Completion (Liquidus), °C 1350
640
Melting Onset (Solidus), °C 1290
570
Specific Heat Capacity, J/kg-K 440
970
Thermal Conductivity, W/m-K 11
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
120

Otherwise Unclassified Properties

Density, g/cm3 8.6
2.0
Embodied Carbon, kg CO2/kg material 14
27
Embodied Energy, MJ/kg 190
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
60
Strength to Weight: Axial, points 26 to 29
36
Strength to Weight: Bending, points 22 to 24
46
Thermal Diffusivity, mm2/s 2.9
59
Thermal Shock Resistance, points 22 to 25
15

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 5.0
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0 to 0.010
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3