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ZK51A Magnesium vs. EN 2.4851 Nickel

ZK51A magnesium belongs to the magnesium alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 ZK51A magnesium and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 4.7
34
Fatigue Strength, MPa 62
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 160
430
Tensile Strength: Ultimate (UTS), MPa 240
650
Tensile Strength: Yield (Proof), MPa 150
230

Thermal Properties

Latent Heat of Fusion, J/g 340
320
Maximum Temperature: Mechanical, °C 120
1200
Melting Completion (Liquidus), °C 640
1360
Melting Onset (Solidus), °C 550
1310
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
11
Thermal Expansion, µm/m-K 26
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
49
Density, g/cm3 1.8
8.2
Embodied Carbon, kg CO2/kg material 24
8.1
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 940
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
170
Resilience: Unit (Modulus of Resilience), kJ/m3 260
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 64
23
Strength to Weight: Axial, points 36
22
Strength to Weight: Bending, points 47
20
Thermal Diffusivity, mm2/s 61
2.9
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0
0.030 to 0.1
Chromium (Cr), % 0
21 to 25
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 0
7.7 to 18
Magnesium (Mg), % 93.1 to 95.9
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
58 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.5
Zinc (Zn), % 3.6 to 5.5
0
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0 to 0.3
0