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Monel 400 vs. ACI-ASTM CD3MWCuN Steel

Monel 400 belongs to the nickel alloys classification, while ACI-ASTM CD3MWCuN steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Monel 400 and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
29
Fatigue Strength, MPa 230 to 290
370
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 62
80
Tensile Strength: Ultimate (UTS), MPa 540 to 780
790
Tensile Strength: Yield (Proof), MPa 210 to 590
500

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1300
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
16
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
22
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 7.9
4.2
Embodied Energy, MJ/kg 110
58
Embodied Water, L/kg 250
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
200
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
620
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 25
28
Strength to Weight: Bending, points 17 to 21
24
Thermal Diffusivity, mm2/s 6.1
4.2
Thermal Shock Resistance, points 17 to 25
22

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 28 to 34
0.5 to 1.0
Iron (Fe), % 0 to 2.5
56.6 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 63 to 72
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.024
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0