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SAE-AISI L2 Steel vs. S20433 Stainless Steel

Both SAE-AISI L2 steel and S20433 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L2 steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 590 to 1960
630

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
39
Embodied Water, L/kg 51
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 70
23
Strength to Weight: Bending, points 20 to 45
21
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 19 to 65
14

Alloy Composition

Carbon (C), % 0.45 to 1.0
0 to 0.080
Chromium (Cr), % 0.7 to 1.2
17 to 18
Copper (Cu), % 0 to 0.25
1.5 to 3.5
Iron (Fe), % 95.5 to 98.7
64.1 to 72.4
Manganese (Mn), % 0.1 to 0.9
5.5 to 7.5
Molybdenum (Mo), % 0 to 0.25
0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0