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Nickel 685 vs. Monel K-500

Both nickel 685 and Monel K-500 are nickel alloys. They have 60% of their average alloy composition in common. There are 28 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 nickel 685 and the bottom bar is Monel K-500.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 17
25 to 36
Fatigue Strength, MPa 470
260 to 560
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
61
Shear Strength, MPa 770
430 to 700
Tensile Strength: Ultimate (UTS), MPa 1250
640 to 1100
Tensile Strength: Yield (Proof), MPa 850
310 to 880

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1000
900
Melting Completion (Liquidus), °C 1380
1350
Melting Onset (Solidus), °C 1330
1320
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 13
18
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 75
50
Density, g/cm3 8.4
8.7
Embodied Carbon, kg CO2/kg material 10
8.1
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 340
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
180 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
300 to 2420
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 42
21 to 35
Strength to Weight: Bending, points 31
19 to 27
Thermal Diffusivity, mm2/s 3.3
4.8
Thermal Shock Resistance, points 37
21 to 36

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
2.3 to 3.2
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0 to 0.18
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
27 to 33
Iron (Fe), % 0 to 2.0
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
63 to 70.4
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 2.8 to 3.3
0.35 to 0.85
Zinc (Zn), % 0.020 to 0.12
0