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SAE-AISI M50 Steel vs. Grade CX2MW Nickel

SAE-AISI M50 steel belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
84
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
620

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1480
1550
Melting Onset (Solidus), °C 1440
1490
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 35
10
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
65
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 5.1
12
Embodied Energy, MJ/kg 74
170
Embodied Water, L/kg 83
290

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26 to 80
19
Strength to Weight: Bending, points 23 to 49
18
Thermal Diffusivity, mm2/s 9.7
2.7
Thermal Shock Resistance, points 21 to 66
17

Alloy Composition

Carbon (C), % 0.78 to 0.88
0 to 0.020
Chromium (Cr), % 3.8 to 4.5
20 to 22.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87 to 90.4
2.0 to 6.0
Manganese (Mn), % 0.15 to 0.45
0 to 1.0
Molybdenum (Mo), % 3.9 to 4.8
12.5 to 14.5
Nickel (Ni), % 0 to 0.3
51.3 to 63
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0.8 to 1.3
0 to 0.35