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Monel K-500 vs. EN 1.4857 Stainless Steel

Monel K-500 belongs to the nickel alloys classification, while EN 1.4857 stainless steel belongs to the iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 EN 1.4857 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 25 to 36
6.7
Fatigue Strength, MPa 260 to 560
120
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
78
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
500
Tensile Strength: Yield (Proof), MPa 310 to 880
250

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1350
1370
Melting Onset (Solidus), °C 1320
1320
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 18
13
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 50
34
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.1
5.7
Embodied Energy, MJ/kg 120
81
Embodied Water, L/kg 280
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
28
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
150
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 21 to 35
18
Strength to Weight: Bending, points 19 to 27
18
Thermal Diffusivity, mm2/s 4.8
3.4
Thermal Shock Resistance, points 21 to 36
11

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0.3 to 0.5
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
31.4 to 41.7
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 63 to 70.4
33 to 36
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.35 to 0.85
0