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Monel 400 vs. S13800 Stainless Steel

Monel 400 belongs to the nickel alloys classification, while S13800 stainless steel belongs to the iron alloys. There are 30 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 S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
11 to 18
Fatigue Strength, MPa 230 to 290
410 to 870
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
77
Shear Strength, MPa 370 to 490
610 to 1030
Tensile Strength: Ultimate (UTS), MPa 540 to 780
980 to 1730
Tensile Strength: Yield (Proof), MPa 210 to 590
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 1000
810
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1300
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
16
Thermal Expansion, µm/m-K 14
11

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
15
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 7.9
3.4
Embodied Energy, MJ/kg 110
46
Embodied Water, L/kg 250
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
1090 to 5490
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 25
35 to 61
Strength to Weight: Bending, points 17 to 21
28 to 41
Thermal Diffusivity, mm2/s 6.1
4.3
Thermal Shock Resistance, points 17 to 25
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0 to 0.3
0 to 0.050
Chromium (Cr), % 0
12.3 to 13.2
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
73.6 to 77.3
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 63 to 72
7.5 to 8.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.024
0 to 0.0080