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Monel K-500 vs. ZK61A Magnesium

Monel K-500 belongs to the nickel alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 Monel K-500 and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
46
Elongation at Break, % 25 to 36
5.8 to 7.1
Fatigue Strength, MPa 260 to 560
120 to 140
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
18
Shear Strength, MPa 430 to 700
170 to 180
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
290 to 310
Tensile Strength: Yield (Proof), MPa 310 to 880
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 900
120
Melting Completion (Liquidus), °C 1350
640
Melting Onset (Solidus), °C 1320
530
Specific Heat Capacity, J/kg-K 440
960
Thermal Conductivity, W/m-K 18
120
Thermal Expansion, µm/m-K 14
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
29
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
130

Otherwise Unclassified Properties

Base Metal Price, % relative 50
13
Density, g/cm3 8.7
1.9
Embodied Carbon, kg CO2/kg material 8.1
23
Embodied Energy, MJ/kg 120
160
Embodied Water, L/kg 280
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
370 to 420
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
62
Strength to Weight: Axial, points 21 to 35
42 to 45
Strength to Weight: Bending, points 19 to 27
50 to 53
Thermal Diffusivity, mm2/s 4.8
65
Thermal Shock Resistance, points 21 to 36
17 to 18

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0
Copper (Cu), % 27 to 33
0 to 0.1
Iron (Fe), % 0 to 2.0
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 63 to 70.4
0 to 0.010
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.35 to 0.85
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3