R60705 Alloy vs. SAE-AISI 50B60 Steel
R60705 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 50B60 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is R60705 alloy and the bottom bar is SAE-AISI 50B60 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 18 | |
| 12 to 20 |
| Fatigue Strength, MPa | 290 | |
| 240 to 330 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 37 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 610 to 630 |
| Tensile Strength: Yield (Proof), MPa | 430 | |
| 350 to 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 17 | |
| 45 |
| Thermal Expansion, µm/m-K | 6.3 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.8 |
| Embodied Water, L/kg | 450 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 | |
| 71 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 | |
| 330 to 750 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 22 | |
| 22 to 23 |
| Strength to Weight: Bending, points | 22 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 9.5 | |
| 12 |
| Thermal Shock Resistance, points | 63 | |
| 20 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.00050 to 0.0030 |
| Carbon (C), % | 0 to 0.050 | |
| 0.56 to 0.64 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0.4 to 0.6 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 97.3 to 98.1 |
| Manganese (Mn), % | 0 | |
| 0.75 to 1.0 |
| 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 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Zirconium (Zr), % | 91 to 98 | |
| 0 |