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Monel K-500 vs. Nickel 686

Both Monel K-500 and nickel 686 are nickel alloys. They have 58% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is Monel K-500 and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
220
Elongation at Break, % 25 to 36
51
Fatigue Strength, MPa 260 to 560
410
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
77
Shear Strength, MPa 430 to 700
560
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
780
Tensile Strength: Yield (Proof), MPa 310 to 880
350

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 900
980
Melting Completion (Liquidus), °C 1350
1380
Melting Onset (Solidus), °C 1320
1340
Specific Heat Capacity, J/kg-K 440
420
Thermal Conductivity, W/m-K 18
9.8
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
70
Density, g/cm3 8.7
9.0
Embodied Carbon, kg CO2/kg material 8.1
12
Embodied Energy, MJ/kg 120
170
Embodied Water, L/kg 280
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
320
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
280
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
22
Strength to Weight: Axial, points 21 to 35
24
Strength to Weight: Bending, points 19 to 27
21
Thermal Diffusivity, mm2/s 4.8
2.6
Thermal Shock Resistance, points 21 to 36
21

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0 to 0.010
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
0 to 5.0
Manganese (Mn), % 0 to 1.5
0 to 0.75
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 63 to 70.4
49.5 to 63
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.080
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0.35 to 0.85
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4