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50Cr-50Ni-Cb Alloy vs. SAE-AISI P20 Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while SAE-AISI P20 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is SAE-AISI P20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 620
540 to 1050

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 9.2
1.6
Embodied Energy, MJ/kg 130
21
Embodied Water, L/kg 350
52

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
19 to 37
Strength to Weight: Bending, points 20
19 to 29
Thermal Shock Resistance, points 14
18 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.28 to 0.4
Chromium (Cr), % 47 to 52
0.4 to 2.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 1.0
95.2 to 98.5
Manganese (Mn), % 0 to 0.3
0.35 to 0.71
Molybdenum (Mo), % 0
0.3 to 0.55
Nickel (Ni), % 43.3 to 51.6
0
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0