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50Cr-50Ni-Cb Alloy vs. EN 1.4408 Stainless Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while EN 1.4408 stainless steel belongs to the iron alloys. They have a modest 30% 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 1.4408 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.6
34
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 620
510
Tensile Strength: Yield (Proof), MPa 390
210

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 9.2
3.7
Embodied Energy, MJ/kg 130
52
Embodied Water, L/kg 350
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
140
Resilience: Unit (Modulus of Resilience), kJ/m3 370
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.070
Chromium (Cr), % 47 to 52
18 to 20
Iron (Fe), % 0 to 1.0
62.4 to 71
Manganese (Mn), % 0 to 0.3
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 43.3 to 51.6
9.0 to 12
Niobium (Nb), % 1.4 to 1.7
0
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 1.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0