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Monel K-500 vs. EN 1.4951 Stainless Steel

Monel K-500 belongs to the nickel alloys classification, while EN 1.4951 stainless steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. 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 EN 1.4951 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 25 to 36
38
Fatigue Strength, MPa 260 to 560
190
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 61
79
Shear Strength, MPa 430 to 700
430
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
630
Tensile Strength: Yield (Proof), MPa 310 to 880
220

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1350
1410
Melting Onset (Solidus), °C 1320
1360
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
25
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.1
4.3
Embodied Energy, MJ/kg 120
61
Embodied Water, L/kg 280
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
190
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
130
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 21 to 35
22
Strength to Weight: Bending, points 19 to 27
21
Thermal Diffusivity, mm2/s 4.8
3.9
Thermal Shock Resistance, points 21 to 36
14

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0.040 to 0.080
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
49.1 to 57
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 63 to 70.4
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.35 to 0.85
0