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Monel 400 vs. EN 1.4986 Stainless Steel

Monel 400 belongs to the nickel alloys classification, while EN 1.4986 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Monel 400 and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
18
Fatigue Strength, MPa 230 to 290
350
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
77
Shear Strength, MPa 370 to 490
460
Tensile Strength: Ultimate (UTS), MPa 540 to 780
750
Tensile Strength: Yield (Proof), MPa 210 to 590
560

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 1000
940
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1300
1400
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 50
25
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 7.9
4.8
Embodied Energy, MJ/kg 110
67
Embodied Water, L/kg 250
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
790
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
26
Strength to Weight: Bending, points 17 to 21
23
Thermal Diffusivity, mm2/s 6.1
4.0
Thermal Shock Resistance, points 17 to 25
16

Alloy Composition

Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0 to 0.3
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
59.4 to 66.6
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
1.6 to 2.0
Nickel (Ni), % 63 to 72
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.024
0 to 0.030