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Monel R-405 vs. S41050 Stainless Steel

Monel R-405 belongs to the nickel alloys classification, while S41050 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 R-405 and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 9.1 to 39
25
Fatigue Strength, MPa 210 to 250
160
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
76
Shear Strength, MPa 350 to 370
300
Tensile Strength: Ultimate (UTS), MPa 540 to 630
470
Tensile Strength: Yield (Proof), MPa 190 to 350
230

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 900
720
Melting Completion (Liquidus), °C 1350
1440
Melting Onset (Solidus), °C 1300
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 23
27
Thermal Expansion, µm/m-K 14
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 50
7.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.9
Embodied Energy, MJ/kg 110
27
Embodied Water, L/kg 250
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 170
98
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 370
140
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 20
17
Strength to Weight: Bending, points 17 to 18
17
Thermal Diffusivity, mm2/s 5.9
7.2
Thermal Shock Resistance, points 17 to 20
17

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
84.2 to 88.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 63 to 72
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0.025 to 0.060
0 to 0.030