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Monel 400 vs. AISI 201LN Stainless Steel

Monel 400 belongs to the nickel alloys classification, while AISI 201LN 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 AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
25 to 51
Fatigue Strength, MPa 230 to 290
340 to 540
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
77
Shear Strength, MPa 370 to 490
530 to 680
Tensile Strength: Ultimate (UTS), MPa 540 to 780
740 to 1060
Tensile Strength: Yield (Proof), MPa 210 to 590
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 1000
880
Melting Completion (Liquidus), °C 1350
1410
Melting Onset (Solidus), °C 1300
1370
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 50
12
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.6
Embodied Energy, MJ/kg 110
38
Embodied Water, L/kg 250
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
310 to 1520
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 25
27 to 38
Strength to Weight: Bending, points 17 to 21
24 to 30
Thermal Diffusivity, mm2/s 6.1
4.0
Thermal Shock Resistance, points 17 to 25
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
16 to 17.5
Copper (Cu), % 28 to 34
0 to 1.0
Iron (Fe), % 0 to 2.5
67.9 to 73.5
Manganese (Mn), % 0 to 2.0
6.4 to 7.5
Nickel (Ni), % 63 to 72
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.024
0 to 0.015

Comparable Variants