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Monel K-500 vs. EN 1.4658 Stainless Steel

Monel K-500 belongs to the nickel alloys classification, while EN 1.4658 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Monel K-500 and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
210
Elongation at Break, % 25 to 36
28
Fatigue Strength, MPa 260 to 560
530
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 61
81
Shear Strength, MPa 430 to 700
580
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
900
Tensile Strength: Yield (Proof), MPa 310 to 880
730

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
470
Thermal Conductivity, W/m-K 18
16
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
25
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.1
4.5
Embodied Energy, MJ/kg 120
61
Embodied Water, L/kg 280
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
240
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
1280
Stiffness to Weight: Axial, points 10
15
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 21 to 35
32
Strength to Weight: Bending, points 19 to 27
26
Thermal Diffusivity, mm2/s 4.8
4.3
Thermal Shock Resistance, points 21 to 36
24

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 27 to 33
0 to 1.0
Iron (Fe), % 0 to 2.0
50.9 to 63.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 63 to 70.4
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.035
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