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Monel K-500 vs. SAE-AISI 4161 Steel

Monel K-500 belongs to the nickel alloys classification, while SAE-AISI 4161 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is Monel K-500 and the bottom bar is SAE-AISI 4161 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 25 to 36
20
Fatigue Strength, MPa 260 to 560
290
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
73
Shear Strength, MPa 430 to 700
420
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
680
Tensile Strength: Yield (Proof), MPa 310 to 880
410

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 18
43
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
2.5
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.5
Embodied Energy, MJ/kg 120
20
Embodied Water, L/kg 280
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
460
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 21 to 35
24
Strength to Weight: Bending, points 19 to 27
22
Thermal Diffusivity, mm2/s 4.8
12
Thermal Shock Resistance, points 21 to 36
22

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0.56 to 0.64
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
96.7 to 97.6
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Molybdenum (Mo), % 0
0.25 to 0.35
Nickel (Ni), % 63 to 70.4
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0.35 to 0.85
0