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AISI 201LN Stainless Steel vs. 50Cr-50Ni-Cb Alloy

AISI 201LN stainless steel belongs to the iron alloys classification, while 50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals. 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 AISI 201LN stainless steel and the bottom bar is 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25 to 51
5.6
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
620
Tensile Strength: Yield (Proof), MPa 350 to 770
390

Thermal Properties

Latent Heat of Fusion, J/g 280
350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 12
60
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.6
9.2
Embodied Energy, MJ/kg 38
130
Embodied Water, L/kg 140
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
30
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
370
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
21
Strength to Weight: Bending, points 24 to 30
20
Thermal Shock Resistance, points 16 to 23
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 16 to 17.5
47 to 52
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
0 to 1.0
Manganese (Mn), % 6.4 to 7.5
0 to 0.3
Nickel (Ni), % 4.0 to 5.0
43.3 to 51.6
Niobium (Nb), % 0
1.4 to 1.7
Nitrogen (N), % 0.1 to 0.25
0 to 0.16
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0 to 0.5