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50Cr-50Ni-Cb Alloy vs. AISI 303 Stainless Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while AISI 303 stainless steel belongs to the iron alloys. They have a modest 28% 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 (13, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.6
40 to 51
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
600 to 690
Tensile Strength: Yield (Proof), MPa 390
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 9.2
3.0
Embodied Energy, MJ/kg 130
42
Embodied Water, L/kg 350
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
240
Resilience: Unit (Modulus of Resilience), kJ/m3 370
140 to 440
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21 to 25
Strength to Weight: Bending, points 20
20 to 22
Thermal Shock Resistance, points 14
13 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 47 to 52
17 to 19
Iron (Fe), % 0 to 1.0
67.3 to 74.9
Manganese (Mn), % 0 to 0.3
0 to 2.0
Nickel (Ni), % 43.3 to 51.6
8.0 to 10
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.2
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0.15 to 0.35
Titanium (Ti), % 0 to 0.5
0