R04295 Alloy vs. AWS BCo-1
R04295 alloy belongs to the otherwise unclassified metals classification, while AWS BCo-1 belongs to the cobalt alloys. There are 14 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is R04295 alloy and the bottom bar is AWS BCo-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Poisson's Ratio | 0.38 | |
| 0.3 |
| Shear Modulus, GPa | 37 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 410 | |
| 700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 420 |
| Specific Heat Capacity, J/kg-K | 260 | |
| 480 |
| Thermal Expansion, µm/m-K | 7.2 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.0 | |
| 8.1 |
| Embodied Water, L/kg | 950 | |
| 430 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 17 | |
| 24 |
| Strength to Weight: Axial, points | 13 | |
| 24 |
| Strength to Weight: Bending, points | 14 | |
| 22 |
| Thermal Shock Resistance, points | 40 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.050 |
| Boron (B), % | 0 | |
| 0.7 to 0.9 |
| Carbon (C), % | 0 to 0.015 | |
| 0.35 to 0.45 |
| Chromium (Cr), % | 0 | |
| 18 to 20 |
| Cobalt (Co), % | 0 | |
| 46 to 54 |
| Hafnium (Hf), % | 9.0 to 11 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 16 to 18 |
| Niobium (Nb), % | 85.9 to 90.3 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.025 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Selenium (Se), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 | |
| 7.5 to 8.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Titanium (Ti), % | 0.7 to 1.3 | |
| 0 to 0.050 |
| Tungsten (W), % | 0 to 0.5 | |
| 3.5 to 4.5 |
| Zirconium (Zr), % | 0 to 0.7 | |
| 0 to 0.050 |
| Residuals, % | 0 | |
| 0 to 0.5 |