R60705 Alloy vs. EN 1.7386 Steel
R60705 alloy belongs to the otherwise unclassified metals classification, while EN 1.7386 steel belongs to the iron alloys. There are 21 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 EN 1.7386 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 18 | |
| 18 to 21 |
| Fatigue Strength, MPa | 290 | |
| 170 to 290 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 37 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 550 to 670 |
| Tensile Strength: Yield (Proof), MPa | 430 | |
| 240 to 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 480 |
| Thermal Conductivity, W/m-K | 17 | |
| 26 |
| Thermal Expansion, µm/m-K | 6.3 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.8 |
| Embodied Water, L/kg | 450 | |
| 88 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 | |
| 92 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 | |
| 150 to 490 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 22 | |
| 20 to 24 |
| Strength to Weight: Bending, points | 22 | |
| 19 to 22 |
| Thermal Diffusivity, mm2/s | 9.5 | |
| 6.9 |
| Thermal Shock Resistance, points | 63 | |
| 15 to 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 0 to 0.050 | |
| 0.080 to 0.15 |
| Chromium (Cr), % | 0 to 0.2 | |
| 8.0 to 10 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 86.8 to 90.5 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| 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 0.025 |
| Silicon (Si), % | 0 | |
| 0.25 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Zirconium (Zr), % | 91 to 98 | |
| 0 |