R60705 Alloy vs. SAE-AISI O2 Steel
R60705 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI O2 steel belongs to the iron alloys. There are 16 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 R60705 alloy and the bottom bar is SAE-AISI O2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 37 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 640 to 2050 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 17 | |
| 43 |
| Thermal Expansion, µm/m-K | 6.3 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.8 |
| Embodied Water, L/kg | 450 | |
| 50 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 22 | |
| 23 to 73 |
| Strength to Weight: Bending, points | 22 | |
| 21 to 46 |
| Thermal Diffusivity, mm2/s | 9.5 | |
| 12 |
| Thermal Shock Resistance, points | 63 | |
| 22 to 70 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.85 to 1.0 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 95 to 97.8 |
| Manganese (Mn), % | 0 | |
| 1.4 to 1.8 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Niobium (Nb), % | 2.0 to 3.0 | |
| 0 |
| Nitrogen (N), % | 0 to 0.025 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0 to 0.3 |
| Zirconium (Zr), % | 91 to 98 | |
| 0 |