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50Cr-50Ni-Cb Alloy vs. S45500 Stainless Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while S45500 stainless steel belongs to the iron alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 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 S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.6
3.4 to 11
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
75
Tensile Strength: Ultimate (UTS), MPa 620
1370 to 1850
Tensile Strength: Yield (Proof), MPa 390
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
17
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 9.2
3.8
Embodied Energy, MJ/kg 130
57
Embodied Water, L/kg 350
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
45 to 190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
48 to 65
Strength to Weight: Bending, points 20
35 to 42
Thermal Shock Resistance, points 14
48 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 47 to 52
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 0 to 1.0
71.5 to 79.2
Manganese (Mn), % 0 to 0.3
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 43.3 to 51.6
7.5 to 9.5
Niobium (Nb), % 1.4 to 1.7
0 to 0.5
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.5
0.8 to 1.4