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Monel 400 vs. EN 1.4903 Stainless Steel

Monel 400 belongs to the nickel alloys classification, while EN 1.4903 stainless steel belongs to the iron alloys. There are 30 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 EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 20 to 40
20 to 21
Fatigue Strength, MPa 230 to 290
320 to 330
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
75
Shear Strength, MPa 370 to 490
420
Tensile Strength: Ultimate (UTS), MPa 540 to 780
670 to 680
Tensile Strength: Yield (Proof), MPa 210 to 590
500

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 1000
650
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1300
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
26
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 50
7.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 7.9
2.6
Embodied Energy, MJ/kg 110
36
Embodied Water, L/kg 250
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
650
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 25
24
Strength to Weight: Bending, points 17 to 21
22
Thermal Diffusivity, mm2/s 6.1
7.0
Thermal Shock Resistance, points 17 to 25
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.3
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 28 to 34
0 to 0.3
Iron (Fe), % 0 to 2.5
87.1 to 90.5
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 63 to 72
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.024
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25