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Monel 400 vs. EN 1.6771 Steel

Monel 400 belongs to the nickel alloys classification, while EN 1.6771 steel belongs to the iron alloys. There are 29 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 Monel 400 and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 20 to 40
8.0 to 8.7
Fatigue Strength, MPa 230 to 290
440 to 680
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
73
Tensile Strength: Ultimate (UTS), MPa 540 to 780
930 to 1180
Tensile Strength: Yield (Proof), MPa 210 to 590
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 1000
440
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1300
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 50
5.0
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 7.9
1.9
Embodied Energy, MJ/kg 110
25
Embodied Water, L/kg 250
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
1460 to 3450
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
33 to 41
Strength to Weight: Bending, points 17 to 21
27 to 31
Thermal Diffusivity, mm2/s 6.1
13
Thermal Shock Resistance, points 17 to 25
27 to 35

Alloy Composition

Carbon (C), % 0 to 0.3
0.27 to 0.33
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
92.2 to 95
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 63 to 72
3.0 to 4.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.024
0 to 0.020

Comparable Variants