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50Cr-50Ni-Cb Alloy vs. EN 1.4418 Stainless Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while EN 1.4418 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 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is EN 1.4418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.6
16 to 20
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
860 to 1000
Tensile Strength: Yield (Proof), MPa 390
540 to 790

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 9.2
2.8
Embodied Energy, MJ/kg 130
39
Embodied Water, L/kg 350
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 370
730 to 1590
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
31 to 36
Strength to Weight: Bending, points 20
26 to 28
Thermal Shock Resistance, points 14
31 to 36

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 47 to 52
15 to 17
Iron (Fe), % 0 to 1.0
73.2 to 80.2
Manganese (Mn), % 0 to 0.3
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.5
Nickel (Ni), % 43.3 to 51.6
4.0 to 6.0
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.5
0