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Monel 400 vs. EN 1.4587 Stainless Steel

Monel 400 belongs to the nickel alloys classification, while EN 1.4587 stainless steel belongs to the iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Monel 400 and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
34
Fatigue Strength, MPa 230 to 290
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
80
Tensile Strength: Ultimate (UTS), MPa 540 to 780
540
Tensile Strength: Yield (Proof), MPa 210 to 590
250

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1350
1420
Melting Onset (Solidus), °C 1300
1370
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
17
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 50
36
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 7.9
6.3
Embodied Energy, MJ/kg 110
87
Embodied Water, L/kg 250
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
150
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
18
Strength to Weight: Bending, points 17 to 21
18
Thermal Diffusivity, mm2/s 6.1
4.5
Thermal Shock Resistance, points 17 to 25
13

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 28 to 34
2.0 to 3.0
Iron (Fe), % 0 to 2.5
32.7 to 41.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 63 to 72
28 to 30
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.024
0 to 0.025