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SAE-AISI O1 Steel vs. S33228 Stainless Steel

Both SAE-AISI O1 steel and S33228 stainless steel are iron alloys. They have 41% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O1 steel and the bottom bar is S33228 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
79
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
570

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
37
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.9
6.2
Embodied Energy, MJ/kg 27
89
Embodied Water, L/kg 51
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 73
20
Strength to Weight: Bending, points 21 to 46
19
Thermal Shock Resistance, points 21 to 68
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0.85 to 1.0
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0.4 to 0.6
26 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95 to 97.4
36.5 to 42.3
Manganese (Mn), % 1.0 to 1.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0 to 0.3
0