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AS41A Magnesium vs. Grade CU5MCuC Nickel

AS41A magnesium belongs to the magnesium alloys classification, while grade CU5MCuC nickel belongs to the nickel alloys. There are 25 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 AS41A magnesium and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
22
Fatigue Strength, MPa 100
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Tensile Strength: Ultimate (UTS), MPa 230
580
Tensile Strength: Yield (Proof), MPa 140
270

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Maximum Temperature: Mechanical, °C 110
980
Melting Completion (Liquidus), °C 620
1420
Melting Onset (Solidus), °C 570
1370
Specific Heat Capacity, J/kg-K 1000
460
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
45
Density, g/cm3 1.6
8.2
Embodied Carbon, kg CO2/kg material 23
7.7
Embodied Energy, MJ/kg 160
110
Embodied Water, L/kg 980
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 38
20
Strength to Weight: Bending, points 50
19
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Copper (Cu), % 0 to 0.060
1.5 to 3.5
Iron (Fe), % 0
22.2 to 37.9
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.030
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.5 to 1.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.12
0