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SAE-AISI M50 Steel vs. N06985 Nickel

SAE-AISI M50 steel belongs to the iron alloys classification, while N06985 nickel belongs to the nickel alloys. They have a modest 29% 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 (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is N06985 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
690

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1480
1350
Melting Onset (Solidus), °C 1440
1260
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 35
10
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
55
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 5.1
8.8
Embodied Energy, MJ/kg 74
120
Embodied Water, L/kg 83
270

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26 to 80
23
Strength to Weight: Bending, points 23 to 49
21
Thermal Diffusivity, mm2/s 9.7
2.6
Thermal Shock Resistance, points 21 to 66
16

Alloy Composition

Carbon (C), % 0.78 to 0.88
0 to 0.015
Chromium (Cr), % 3.8 to 4.5
21 to 23.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 87 to 90.4
18 to 21
Manganese (Mn), % 0.15 to 0.45
0 to 1.0
Molybdenum (Mo), % 3.9 to 4.8
6.0 to 8.0
Nickel (Ni), % 0 to 0.3
35.9 to 53.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 1.5
Vanadium (V), % 0.8 to 1.3
0