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Monel R-405 vs. ZK60A Magnesium

Monel R-405 belongs to the nickel alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 R-405 and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
46
Elongation at Break, % 9.1 to 39
4.5 to 9.9
Fatigue Strength, MPa 210 to 250
150 to 180
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
18
Shear Strength, MPa 350 to 370
170 to 190
Tensile Strength: Ultimate (UTS), MPa 540 to 630
320 to 330
Tensile Strength: Yield (Proof), MPa 190 to 350
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 900
120
Melting Completion (Liquidus), °C 1350
600
Melting Onset (Solidus), °C 1300
550
Specific Heat Capacity, J/kg-K 430
960
Thermal Conductivity, W/m-K 23
120
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 50
13
Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 7.9
23
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 250
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 170
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 370
570 to 690
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
63
Strength to Weight: Axial, points 17 to 20
47 to 49
Strength to Weight: Bending, points 17 to 18
55 to 56
Thermal Diffusivity, mm2/s 5.9
66
Thermal Shock Resistance, points 17 to 20
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.3
0
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
0
Magnesium (Mg), % 0
92.5 to 94.8
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 63 to 72
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0.025 to 0.060
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3