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Monel 400 vs. S38815 Stainless Steel

Monel 400 belongs to the nickel alloys classification, while S38815 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Monel 400 and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 20 to 40
34
Fatigue Strength, MPa 230 to 290
230
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
74
Shear Strength, MPa 370 to 490
410
Tensile Strength: Ultimate (UTS), MPa 540 to 780
610
Tensile Strength: Yield (Proof), MPa 210 to 590
290

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Maximum Temperature: Mechanical, °C 1000
860
Melting Completion (Liquidus), °C 1350
1360
Melting Onset (Solidus), °C 1300
1310
Specific Heat Capacity, J/kg-K 430
500
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 50
19
Density, g/cm3 8.9
7.5
Embodied Carbon, kg CO2/kg material 7.9
3.8
Embodied Energy, MJ/kg 110
54
Embodied Water, L/kg 250
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
170
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
220
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 25
22
Strength to Weight: Bending, points 17 to 21
21
Thermal Shock Resistance, points 17 to 25
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
13 to 15
Copper (Cu), % 28 to 34
0.75 to 1.5
Iron (Fe), % 0 to 2.5
56.1 to 67
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 63 to 72
13 to 17
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
5.5 to 6.5
Sulfur (S), % 0 to 0.024
0 to 0.020