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Grade M30H Nickel vs. ISO-WD32250 Magnesium

Grade M30H nickel belongs to the nickel alloys classification, while ISO-WD32250 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 grade M30H nickel and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
45
Elongation at Break, % 11
4.5 to 8.6
Fatigue Strength, MPa 230
170 to 210
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
17
Tensile Strength: Ultimate (UTS), MPa 770
310 to 330
Tensile Strength: Yield (Proof), MPa 470
240 to 290

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Maximum Temperature: Mechanical, °C 900
120
Melting Completion (Liquidus), °C 1250
600
Melting Onset (Solidus), °C 1200
550
Specific Heat Capacity, J/kg-K 440
980
Thermal Conductivity, W/m-K 22
130
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
130

Otherwise Unclassified Properties

Base Metal Price, % relative 50
13
Density, g/cm3 8.6
1.8
Embodied Carbon, kg CO2/kg material 7.7
24
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 250
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
14 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 700
630 to 930
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
67
Strength to Weight: Axial, points 25
49 to 51
Strength to Weight: Bending, points 22
58 to 60
Thermal Diffusivity, mm2/s 5.7
72
Thermal Shock Resistance, points 27
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.3
0
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 3.5
0
Magnesium (Mg), % 0
94.9 to 97.1
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 57.9 to 70.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 2.7 to 3.7
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
2.5 to 4.0
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3