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S38815 Stainless Steel vs. Monel 400

S38815 stainless steel belongs to the iron alloys classification, while Monel 400 belongs to the nickel 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 S38815 stainless steel and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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