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Monel 400 vs. EN 1.4854 Stainless Steel

Monel 400 belongs to the nickel alloys classification, while EN 1.4854 stainless steel belongs to the iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
45
Fatigue Strength, MPa 230 to 290
310
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
78
Shear Strength, MPa 370 to 490
520
Tensile Strength: Ultimate (UTS), MPa 540 to 780
750
Tensile Strength: Yield (Proof), MPa 210 to 590
340

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 1000
1170
Melting Completion (Liquidus), °C 1350
1370
Melting Onset (Solidus), °C 1300
1330
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 23
11
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 50
34
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 7.9
5.7
Embodied Energy, MJ/kg 110
81
Embodied Water, L/kg 250
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
270
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
280
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 25
26
Strength to Weight: Bending, points 17 to 21
23
Thermal Diffusivity, mm2/s 6.1
2.9
Thermal Shock Resistance, points 17 to 25
18

Alloy Composition

Carbon (C), % 0 to 0.3
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
33.6 to 40.6
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 63 to 72
34 to 36
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
1.2 to 2.0
Sulfur (S), % 0 to 0.024
0 to 0.015