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SAE-AISI M50 Steel vs. EN 2.4668 Nickel

SAE-AISI M50 steel belongs to the iron alloys classification, while EN 2.4668 nickel belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. 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 EN 2.4668 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
1390

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 35
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
75
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 5.1
13
Embodied Energy, MJ/kg 74
190
Embodied Water, L/kg 83
250

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26 to 80
46
Strength to Weight: Bending, points 23 to 49
33
Thermal Diffusivity, mm2/s 9.7
3.5
Thermal Shock Resistance, points 21 to 66
40

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0.78 to 0.88
0.020 to 0.080
Chromium (Cr), % 3.8 to 4.5
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 87 to 90.4
11.2 to 24.6
Manganese (Mn), % 0.15 to 0.45
0 to 0.35
Molybdenum (Mo), % 3.9 to 4.8
2.8 to 3.3
Nickel (Ni), % 0 to 0.3
50 to 55
Niobium (Nb), % 0
4.7 to 5.5
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.2 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.6 to 1.2
Vanadium (V), % 0.8 to 1.3
0