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AS41A Magnesium vs. EN 2.4632 Nickel

AS41A magnesium belongs to the magnesium alloys classification, while EN 2.4632 nickel belongs to the nickel alloys. 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 AS41A magnesium and the bottom bar is EN 2.4632 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
17
Fatigue Strength, MPa 100
430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
76
Shear Strength, MPa 130
770
Tensile Strength: Ultimate (UTS), MPa 230
1250
Tensile Strength: Yield (Proof), MPa 140
780

Thermal Properties

Latent Heat of Fusion, J/g 370
320
Maximum Temperature: Mechanical, °C 110
1010
Melting Completion (Liquidus), °C 620
1340
Melting Onset (Solidus), °C 570
1290
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 68
13
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 92
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 1.6
8.3
Embodied Carbon, kg CO2/kg material 23
9.4
Embodied Energy, MJ/kg 160
130
Embodied Water, L/kg 980
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
180
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1570
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 38
42
Strength to Weight: Bending, points 50
31
Thermal Diffusivity, mm2/s 41
3.3
Thermal Shock Resistance, points 14
39

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
1.0 to 2.0
Boron (B), % 0
0 to 0.020
Carbon (C), % 0
0 to 0.13
Chromium (Cr), % 0
18 to 21
Cobalt (Co), % 0
15 to 21
Copper (Cu), % 0 to 0.060
0 to 0.2
Iron (Fe), % 0
0 to 1.5
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Nickel (Ni), % 0 to 0.030
49 to 64
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.5 to 1.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.12
0
Zirconium (Zr), % 0
0 to 0.15