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Monel 400 vs. Ductile Cast Iron

Monel 400 belongs to the nickel alloys classification, while ductile cast iron belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Monel 400 and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
170 to 180
Elongation at Break, % 20 to 40
2.1 to 20
Poisson's Ratio 0.32
0.28 to 0.31
Shear Modulus, GPa 62
64 to 70
Shear Strength, MPa 370 to 490
420 to 800
Tensile Strength: Ultimate (UTS), MPa 540 to 780
460 to 920
Tensile Strength: Yield (Proof), MPa 210 to 590
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 1000
290
Melting Completion (Liquidus), °C 1350
1160
Melting Onset (Solidus), °C 1300
1120
Specific Heat Capacity, J/kg-K 430
490
Thermal Conductivity, W/m-K 23
31 to 36
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
1.9
Density, g/cm3 8.9
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 7.9
1.5
Embodied Energy, MJ/kg 110
21
Embodied Water, L/kg 250
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
280 to 1330
Stiffness to Weight: Axial, points 10
12 to 14
Stiffness to Weight: Bending, points 21
24 to 26
Strength to Weight: Axial, points 17 to 25
17 to 35
Strength to Weight: Bending, points 17 to 21
18 to 29
Thermal Diffusivity, mm2/s 6.1
8.9 to 10
Thermal Shock Resistance, points 17 to 25
17 to 35

Alloy Composition

Carbon (C), % 0 to 0.3
3.0 to 3.5
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
93.7 to 95.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 63 to 72
0
Phosphorus (P), % 0
0 to 0.080
Silicon (Si), % 0 to 0.5
1.5 to 2.8
Sulfur (S), % 0 to 0.024
0

Comparable Variants