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Monel K-500 vs. S32750 Stainless Steel

Monel K-500 belongs to the nickel alloys classification, while S32750 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 S32750 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
360
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 61
81
Shear Strength, MPa 430 to 700
530
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
860
Tensile Strength: Yield (Proof), MPa 310 to 880
590

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
21
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.1
4.1
Embodied Energy, MJ/kg 120
56
Embodied Water, L/kg 280
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
130
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
860
Stiffness to Weight: Axial, points 10
15
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 21 to 35
31
Strength to Weight: Bending, points 19 to 27
26
Thermal Diffusivity, mm2/s 4.8
4.0
Thermal Shock Resistance, points 21 to 36
25

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 27 to 33
0 to 0.5
Iron (Fe), % 0 to 2.0
58.1 to 66.8
Manganese (Mn), % 0 to 1.5
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 63 to 70.4
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0.35 to 0.85
0