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Monel 400 vs. SAE-AISI 4027 Steel

Monel 400 belongs to the nickel alloys classification, while SAE-AISI 4027 steel belongs to the iron alloys. There are 30 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 SAE-AISI 4027 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 20 to 40
23
Fatigue Strength, MPa 230 to 290
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
73
Shear Strength, MPa 370 to 490
320
Tensile Strength: Ultimate (UTS), MPa 540 to 780
500
Tensile Strength: Yield (Proof), MPa 210 to 590
260

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 1000
400
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
49
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 50
2.1
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.5
Embodied Energy, MJ/kg 110
19
Embodied Water, L/kg 250
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
97
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
190
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
18
Strength to Weight: Bending, points 17 to 21
18
Thermal Diffusivity, mm2/s 6.1
13
Thermal Shock Resistance, points 17 to 25
16

Alloy Composition

Carbon (C), % 0 to 0.3
0.25 to 0.3
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
98.1 to 98.7
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 63 to 72
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.024
0 to 0.040