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Monel 400 vs. SAE-AISI M30 Steel

Monel 400 belongs to the nickel alloys classification, while SAE-AISI M30 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 M30 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
78
Tensile Strength: Ultimate (UTS), MPa 540 to 780
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1350
1550
Melting Onset (Solidus), °C 1300
1500
Specific Heat Capacity, J/kg-K 430
450
Thermal Conductivity, W/m-K 23
24
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
26
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 7.9
7.2
Embodied Energy, MJ/kg 110
100
Embodied Water, L/kg 250
120

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
27 to 74
Strength to Weight: Bending, points 17 to 21
24 to 46
Thermal Diffusivity, mm2/s 6.1
6.6
Thermal Shock Resistance, points 17 to 25
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.3
0.75 to 0.85
Chromium (Cr), % 0
3.5 to 4.3
Cobalt (Co), % 0
4.5 to 5.5
Copper (Cu), % 28 to 34
0 to 0.25
Iron (Fe), % 0 to 2.5
75.2 to 80.9
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.0
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 0.45
Sulfur (S), % 0 to 0.024
0 to 0.030
Tungsten (W), % 0
1.3 to 2.3
Vanadium (V), % 0
1.0 to 1.4

Comparable Variants