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AISI 301L Stainless Steel vs. 50Cr-50Ni Alloy

AISI 301L stainless steel belongs to the iron alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. They have a modest 25% 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 301L stainless steel and the bottom bar is 50Cr-50Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22 to 50
5.7
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 620 to 1040
620
Tensile Strength: Yield (Proof), MPa 250 to 790
390

Thermal Properties

Latent Heat of Fusion, J/g 280
350
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
50
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 39
110
Embodied Water, L/kg 130
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
31
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1580
350
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 37
21
Strength to Weight: Bending, points 21 to 29
20
Thermal Shock Resistance, points 14 to 24
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 16 to 18
48 to 52
Iron (Fe), % 70.7 to 78
0 to 1.0
Manganese (Mn), % 0 to 2.0
0 to 0.3
Nickel (Ni), % 6.0 to 8.0
44.5 to 52
Nitrogen (N), % 0 to 0.2
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.5