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Nickel 625 vs. ZC63A Magnesium

Nickel 625 belongs to the nickel alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
48
Elongation at Break, % 33 to 34
3.3
Fatigue Strength, MPa 240 to 320
94
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
19
Shear Strength, MPa 530 to 600
130
Tensile Strength: Ultimate (UTS), MPa 790 to 910
220
Tensile Strength: Yield (Proof), MPa 320 to 450
130

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Maximum Temperature: Mechanical, °C 980
98
Melting Completion (Liquidus), °C 1350
550
Melting Onset (Solidus), °C 1290
470
Specific Heat Capacity, J/kg-K 440
950
Thermal Conductivity, W/m-K 11
120
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
32
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 80
13
Density, g/cm3 8.6
2.1
Embodied Carbon, kg CO2/kg material 14
22
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 290
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
58
Strength to Weight: Axial, points 26 to 29
29
Strength to Weight: Bending, points 22 to 24
38
Thermal Diffusivity, mm2/s 2.9
58
Thermal Shock Resistance, points 22 to 25
12

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
2.4 to 3.0
Iron (Fe), % 0 to 5.0
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 0.5
0.25 to 0.75
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 to 0.2
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3