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Monel K-500 vs. S32808 Stainless Steel

Monel K-500 belongs to the nickel alloys classification, while S32808 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Monel K-500 and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
210
Elongation at Break, % 25 to 36
17
Fatigue Strength, MPa 260 to 560
350
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 61
81
Shear Strength, MPa 430 to 700
480
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
780
Tensile Strength: Yield (Proof), MPa 310 to 880
570

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1350
1470
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 18
14
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
24
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.1
4.0
Embodied Energy, MJ/kg 120
57
Embodied Water, L/kg 280
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
790
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 21 to 35
27
Strength to Weight: Bending, points 19 to 27
24
Thermal Diffusivity, mm2/s 4.8
3.8
Thermal Shock Resistance, points 21 to 36
21

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0
27 to 27.9
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
58.1 to 62.8
Manganese (Mn), % 0 to 1.5
0 to 1.1
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 63 to 70.4
7.0 to 8.2
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.35 to 0.85
0
Tungsten (W), % 0
2.1 to 2.5