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Monel 400 vs. Nickel 825

Both Monel 400 and nickel 825 are nickel alloys. They have 46% of their average alloy composition in common. There are 31 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 400 and the bottom bar is nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
34
Fatigue Strength, MPa 230 to 290
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
78
Shear Strength, MPa 370 to 490
430
Tensile Strength: Ultimate (UTS), MPa 540 to 780
650
Tensile Strength: Yield (Proof), MPa 210 to 590
260

Thermal Properties

Curie Temperature, °C 40
-200
Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 1000
980
Melting Completion (Liquidus), °C 1350
1400
Melting Onset (Solidus), °C 1300
1370
Specific Heat Capacity, J/kg-K 430
460
Thermal Conductivity, W/m-K 23
11
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 50
41
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 7.9
7.2
Embodied Energy, MJ/kg 110
100
Embodied Water, L/kg 250
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
180
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
170
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
22
Strength to Weight: Bending, points 17 to 21
20
Thermal Diffusivity, mm2/s 6.1
2.9
Thermal Shock Resistance, points 17 to 25
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0 to 0.3
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Copper (Cu), % 28 to 34
1.5 to 3.0
Iron (Fe), % 0 to 2.5
22 to 37.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 63 to 72
38 to 46
Silicon (Si), % 0 to 0.5
0 to 0.050
Sulfur (S), % 0 to 0.024
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.2