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ISO-WD21150 Magnesium vs. Grade M30C Nickel

ISO-WD21150 magnesium belongs to the magnesium alloys classification, while grade M30C nickel belongs to the nickel alloys. There are 28 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 ISO-WD21150 magnesium and the bottom bar is grade M30C nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
160
Elongation at Break, % 5.7 to 11
29
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
61
Tensile Strength: Ultimate (UTS), MPa 240 to 290
510
Tensile Strength: Yield (Proof), MPa 120 to 200
250

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 110
900
Melting Completion (Liquidus), °C 600
1290
Melting Onset (Solidus), °C 550
1240
Specific Heat Capacity, J/kg-K 990
430
Thermal Conductivity, W/m-K 100
22
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
60
Density, g/cm3 1.7
8.8
Embodied Carbon, kg CO2/kg material 23
9.5
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 980
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 24
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 460
200
Stiffness to Weight: Axial, points 15
10
Stiffness to Weight: Bending, points 70
21
Strength to Weight: Axial, points 40 to 48
16
Strength to Weight: Bending, points 52 to 58
16
Thermal Diffusivity, mm2/s 60
5.7
Thermal Shock Resistance, points 15 to 17
18

Alloy Composition

Aluminum (Al), % 2.4 to 3.6
0
Carbon (C), % 0
0 to 0.3
Copper (Cu), % 0 to 0.050
26 to 33
Iron (Fe), % 0 to 0.0050
0 to 3.5
Magnesium (Mg), % 94 to 97
0
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Nickel (Ni), % 0 to 0.0050
56.6 to 72
Niobium (Nb), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.5 to 1.5
0
Residuals, % 0 to 0.3
0