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Monel R-405 vs. S32950 Stainless Steel

Monel R-405 belongs to the nickel alloys classification, while S32950 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 S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 9.1 to 39
17
Fatigue Strength, MPa 210 to 250
330
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 62
80
Shear Strength, MPa 350 to 370
480
Tensile Strength: Ultimate (UTS), MPa 540 to 630
780
Tensile Strength: Yield (Proof), MPa 190 to 350
550

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1350
1430
Melting Onset (Solidus), °C 1300
1390
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 23
16
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
17
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 7.9
3.4
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 250
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 370
730
Stiffness to Weight: Axial, points 10
15
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 20
28
Strength to Weight: Bending, points 17 to 18
24
Thermal Diffusivity, mm2/s 5.9
4.3
Thermal Shock Resistance, points 17 to 20
21

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
60.3 to 69.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 63 to 72
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0.025 to 0.060
0 to 0.010