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Grade CU5MCuC Nickel vs. ZK61A Magnesium

Grade CU5MCuC nickel belongs to the nickel alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 CU5MCuC nickel and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
46
Elongation at Break, % 22
5.8 to 7.1
Fatigue Strength, MPa 170
120 to 140
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
18
Tensile Strength: Ultimate (UTS), MPa 580
290 to 310
Tensile Strength: Yield (Proof), MPa 270
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 980
120
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1370
530
Specific Heat Capacity, J/kg-K 460
960
Thermal Expansion, µm/m-K 13
27

Otherwise Unclassified Properties

Base Metal Price, % relative 45
13
Density, g/cm3 8.2
1.9
Embodied Carbon, kg CO2/kg material 7.7
23
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 230
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 190
370 to 420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
62
Strength to Weight: Axial, points 20
42 to 45
Strength to Weight: Bending, points 19
50 to 53
Thermal Shock Resistance, points 16
17 to 18

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 19.5 to 23.5
0
Copper (Cu), % 1.5 to 3.5
0 to 0.1
Iron (Fe), % 22.2 to 37.9
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 38 to 44
0 to 0.010
Niobium (Nb), % 0.6 to 1.2
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3