R60901 Alloy vs. AWS E630
R60901 alloy belongs to the otherwise unclassified metals classification, while AWS E630 belongs to the iron alloys. There are 17 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 R60901 alloy and the bottom bar is AWS E630.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 17 to 22 | |
| 8.0 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 37 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 580 | |
| 1040 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 17 | |
| 17 |
| Thermal Expansion, µm/m-K | 6.3 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.6 | |
| 7.8 |
| Embodied Water, L/kg | 270 | |
| 140 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 37 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 29 |
| Thermal Diffusivity, mm2/s | 9.7 | |
| 4.5 |
| Thermal Shock Resistance, points | 58 to 67 | |
| 28 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 16 to 16.8 |
| Copper (Cu), % | 0 | |
| 3.3 to 4.0 |
| Iron (Fe), % | 0 | |
| 71.6 to 75.9 |
| Manganese (Mn), % | 0 | |
| 0.25 to 0.75 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.75 |
| Nickel (Ni), % | 0 | |
| 4.5 to 5.0 |
| Niobium (Nb), % | 2.4 to 2.8 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zirconium (Zr), % | 96.8 to 97.5 | |
| 0 |
| Residuals, % | 0 to 0.29 | |
| 0 |