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Monel K-500 vs. EN 1.4434 Stainless Steel

Monel K-500 belongs to the nickel alloys classification, while EN 1.4434 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 EN 1.4434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 25 to 36
41
Fatigue Strength, MPa 260 to 560
270
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
79
Shear Strength, MPa 430 to 700
450
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
660
Tensile Strength: Yield (Proof), MPa 310 to 880
310

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 900
980
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
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 50
21
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.1
4.2
Embodied Energy, MJ/kg 120
57
Embodied Water, L/kg 280
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
220
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
240
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 21 to 35
23
Strength to Weight: Bending, points 19 to 27
21
Thermal Diffusivity, mm2/s 4.8
4.0
Thermal Shock Resistance, points 21 to 36
15

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0
16.5 to 19.5
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
59.2 to 69.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 63 to 70.4
10.5 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.35 to 0.85
0