SAE-AISI 1020 Steel vs. R60705 Alloy
SAE-AISI 1020 steel belongs to the iron alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 21 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 1020 steel and the bottom bar is R60705 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 98 |
| Elongation at Break, % | 17 to 28 | |
| 18 |
| Fatigue Strength, MPa | 180 to 250 | |
| 290 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 73 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 460 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 240 to 380 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 270 |
| Thermal Conductivity, W/m-K | 52 | |
| 17 |
| Thermal Expansion, µm/m-K | 12 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 6.7 |
| Embodied Water, L/kg | 45 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 72 to 100 | |
| 90 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 380 | |
| 950 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 22 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 22 |
| Thermal Diffusivity, mm2/s | 14 | |
| 9.5 |
| Thermal Shock Resistance, points | 13 to 14 | |
| 63 |
Alloy Composition
| Carbon (C), % | 0.18 to 0.23 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.2 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 99.08 to 99.52 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.0 to 3.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.025 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 91 to 98 |