SAE-AISI O1 Steel vs. SAE-AISI P6 Steel
Both SAE-AISI O1 steel and SAE-AISI P6 steel are iron alloys. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is SAE-AISI O1 steel and the bottom bar is SAE-AISI P6 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 72 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 640 to 2060 | |
630 to 1930 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 43 | |
43 |
Thermal Expansion, µm/m-K | 12 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
7.9 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
9.0 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.4 | |
4.6 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.9 | |
1.8 |
Embodied Energy, MJ/kg | 27 | |
24 |
Embodied Water, L/kg | 51 | |
59 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 23 to 73 | |
22 to 68 |
Strength to Weight: Bending, points | 21 to 46 | |
21 to 44 |
Thermal Diffusivity, mm2/s | 12 | |
11 |
Thermal Shock Resistance, points | 21 to 68 | |
21 to 63 |
Alloy Composition
Carbon (C), % | 0.85 to 1.0 | |
0.050 to 0.15 |
Chromium (Cr), % | 0.4 to 0.6 | |
1.3 to 1.8 |
Copper (Cu), % | 0 to 0.25 | |
0 to 0.25 |
Iron (Fe), % | 95 to 97.4 | |
92.9 to 95 |
Manganese (Mn), % | 1.0 to 1.4 | |
0.35 to 0.7 |
Nickel (Ni), % | 0 to 0.3 | |
3.3 to 3.8 |
Phosphorus (P), % | 0 to 0.030 | |
0 to 0.030 |
Silicon (Si), % | 0 to 0.5 | |
0.1 to 0.4 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |
Tungsten (W), % | 0.4 to 0.6 | |
0 |
Vanadium (V), % | 0 to 0.3 | |
0 |