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SAE-AISI M50 Steel vs. Monel R-405

SAE-AISI M50 steel belongs to the iron alloys classification, while Monel R-405 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is Monel R-405.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
62
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
540 to 630

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1480
1350
Melting Onset (Solidus), °C 1440
1300
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 35
23
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
50
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 5.1
7.9
Embodied Energy, MJ/kg 74
110
Embodied Water, L/kg 83
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 26 to 80
17 to 20
Strength to Weight: Bending, points 23 to 49
17 to 18
Thermal Diffusivity, mm2/s 9.7
5.9
Thermal Shock Resistance, points 21 to 66
17 to 20

Alloy Composition

Carbon (C), % 0.78 to 0.88
0 to 0.3
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
28 to 34
Iron (Fe), % 87 to 90.4
0 to 2.5
Manganese (Mn), % 0.15 to 0.45
0 to 2.0
Molybdenum (Mo), % 3.9 to 4.8
0
Nickel (Ni), % 0 to 0.3
63 to 72
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0.025 to 0.060
Vanadium (V), % 0.8 to 1.3
0

Comparable Variants