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EN-MC65120 Magnesium vs. Grade M30H Nickel

EN-MC65120 magnesium belongs to the magnesium alloys classification, while grade M30H nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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-MC65120 magnesium and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
160
Elongation at Break, % 3.1
11
Fatigue Strength, MPa 80
230
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
61
Tensile Strength: Ultimate (UTS), MPa 160
770
Tensile Strength: Yield (Proof), MPa 110
470

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 180
900
Melting Completion (Liquidus), °C 590
1250
Melting Onset (Solidus), °C 520
1200
Specific Heat Capacity, J/kg-K 970
440
Thermal Conductivity, W/m-K 100
22
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 25
50
Density, g/cm3 1.9
8.6
Embodied Carbon, kg CO2/kg material 25
7.7
Embodied Energy, MJ/kg 190
110
Embodied Water, L/kg 930
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
75
Resilience: Unit (Modulus of Resilience), kJ/m3 140
700
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 62
21
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 34
22
Thermal Diffusivity, mm2/s 56
5.7
Thermal Shock Resistance, points 9.8
27

Alloy Composition


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Carbon (C), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
27 to 33
Iron (Fe), % 0 to 0.010
0 to 3.5
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.0050
57.9 to 70.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
2.7 to 3.7
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0