R04295 Alloy vs. C19025 Copper
R04295 alloy belongs to the otherwise unclassified metals classification, while C19025 copper belongs to the copper alloys. There are 15 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is R04295 alloy and the bottom bar is C19025 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 22 | |
| 8.0 to 17 |
| Poisson's Ratio | 0.38 | |
| 0.34 |
| Shear Modulus, GPa | 37 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 410 | |
| 480 to 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 260 | |
| 380 |
| Thermal Expansion, µm/m-K | 7.2 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.0 | |
| 8.9 |
| Embodied Water, L/kg | 950 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 17 | |
| 18 |
| Strength to Weight: Axial, points | 13 | |
| 15 to 19 |
| Strength to Weight: Bending, points | 14 | |
| 15 to 18 |
| Thermal Shock Resistance, points | 40 | |
| 17 to 22 |
Alloy Composition
| Carbon (C), % | 0 to 0.015 | |
| 0 |
| Copper (Cu), % | 0 | |
| 97.1 to 98.5 |
| Hafnium (Hf), % | 9.0 to 11 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.8 to 1.2 |
| 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 | |
| 0.030 to 0.070 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.7 to 1.1 |
| Titanium (Ti), % | 0.7 to 1.3 | |
| 0 |
| Tungsten (W), % | 0 to 0.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 to 0.7 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.3 |