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Monel 400 vs. SAE-AISI M1 Steel

Monel 400 belongs to the nickel alloys classification, while SAE-AISI M1 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is Monel 400 and the bottom bar is SAE-AISI M1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
77
Tensile Strength: Ultimate (UTS), MPa 540 to 780
730 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1350
1560
Melting Onset (Solidus), °C 1300
1510
Specific Heat Capacity, J/kg-K 430
450
Thermal Conductivity, W/m-K 23
29
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
18
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 7.9
7.0
Embodied Energy, MJ/kg 110
99
Embodied Water, L/kg 250
98

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
25 to 73
Strength to Weight: Bending, points 17 to 21
22 to 45
Thermal Diffusivity, mm2/s 6.1
8.0
Thermal Shock Resistance, points 17 to 25
23 to 66

Alloy Composition

Carbon (C), % 0 to 0.3
0.78 to 0.88
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 28 to 34
0 to 0.25
Iron (Fe), % 0 to 2.5
81 to 84.8
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 63 to 72
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.5
Sulfur (S), % 0 to 0.024
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.4

Comparable Variants