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EN-MC65220 Magnesium vs. Grade CW6MC Nickel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while grade CW6MC nickel belongs to the nickel alloys. There are 28 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 EN-MC65220 magnesium and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.2
28
Fatigue Strength, MPa 110
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
79
Tensile Strength: Ultimate (UTS), MPa 270
540
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 340
330
Maximum Temperature: Mechanical, °C 160
980
Melting Completion (Liquidus), °C 610
1480
Melting Onset (Solidus), °C 550
1430
Specific Heat Capacity, J/kg-K 980
440
Thermal Conductivity, W/m-K 110
11
Thermal Expansion, µm/m-K 26
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 80
80
Density, g/cm3 1.9
8.6
Embodied Carbon, kg CO2/kg material 27
14
Embodied Energy, MJ/kg 210
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
130
Resilience: Unit (Modulus of Resilience), kJ/m3 450
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
23
Strength to Weight: Axial, points 40
18
Strength to Weight: Bending, points 49
17
Thermal Diffusivity, mm2/s 61
2.8
Thermal Shock Resistance, points 17
15

Alloy Composition


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Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
0 to 5.0
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.0050
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.010
0 to 1.0
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0