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50Cr-50Ni-Cb Alloy vs. S13800 Stainless Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while S13800 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 (14, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.6
11 to 18
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
980 to 1730
Tensile Strength: Yield (Proof), MPa 390
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 9.2
3.4
Embodied Energy, MJ/kg 130
46
Embodied Water, L/kg 350
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 370
1090 to 5490
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
35 to 61
Strength to Weight: Bending, points 20
28 to 41
Thermal Shock Resistance, points 14
33 to 58

Alloy Composition

Aluminum (Al), % 0 to 0.25
0.9 to 1.4
Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 47 to 52
12.3 to 13.2
Iron (Fe), % 0 to 1.0
73.6 to 77.3
Manganese (Mn), % 0 to 0.3
0 to 0.2
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 43.3 to 51.6
7.5 to 8.5
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0 to 0.010
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.020
0 to 0.0080
Titanium (Ti), % 0 to 0.5
0