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Monel 400 vs. C72700 Copper-nickel

Monel 400 belongs to the nickel alloys classification, while C72700 copper-nickel belongs to the copper alloys. They have 40% of their average alloy composition in common. There are 29 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 400 and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
120
Elongation at Break, % 20 to 40
4.0 to 36
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 62
44
Shear Strength, MPa 370 to 490
310 to 620
Tensile Strength: Ultimate (UTS), MPa 540 to 780
460 to 1070
Tensile Strength: Yield (Proof), MPa 210 to 590
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 1000
200
Melting Completion (Liquidus), °C 1350
1100
Melting Onset (Solidus), °C 1300
930
Specific Heat Capacity, J/kg-K 430
380
Thermal Conductivity, W/m-K 23
54
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
11

Otherwise Unclassified Properties

Base Metal Price, % relative 50
36
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 7.9
4.0
Embodied Energy, MJ/kg 110
62
Embodied Water, L/kg 250
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
1420 to 4770
Stiffness to Weight: Axial, points 10
7.4
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 17 to 25
14 to 34
Strength to Weight: Bending, points 17 to 21
15 to 26
Thermal Diffusivity, mm2/s 6.1
16
Thermal Shock Resistance, points 17 to 25
16 to 38

Alloy Composition

Carbon (C), % 0 to 0.3
0
Copper (Cu), % 28 to 34
82.1 to 86
Iron (Fe), % 0 to 2.5
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 2.0
0.050 to 0.3
Nickel (Ni), % 63 to 72
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.024
0
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3