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EQ21A Magnesium vs. Grade M35-2 Nickel

EQ21A magnesium belongs to the magnesium alloys classification, while grade M35-2 nickel belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 EQ21A magnesium and the bottom bar is grade M35-2 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
160
Elongation at Break, % 2.4
28
Fatigue Strength, MPa 110
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
62
Tensile Strength: Ultimate (UTS), MPa 250
500
Tensile Strength: Yield (Proof), MPa 190
230

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Mechanical, °C 160
900
Melting Completion (Liquidus), °C 640
1280
Melting Onset (Solidus), °C 560
1230
Specific Heat Capacity, J/kg-K 980
430
Thermal Conductivity, W/m-K 110
22
Thermal Expansion, µm/m-K 27
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 80
55
Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 27
8.1
Embodied Energy, MJ/kg 210
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
120
Resilience: Unit (Modulus of Resilience), kJ/m3 410
170
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 63
21
Strength to Weight: Axial, points 37
16
Strength to Weight: Bending, points 47
16
Thermal Diffusivity, mm2/s 62
5.7
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0
0 to 0.35
Copper (Cu), % 0.050 to 0.1
26 to 33
Iron (Fe), % 0
0 to 3.5
Magnesium (Mg), % 93.9 to 96.8
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
59.1 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 2.0
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 1.5 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0