High-performance alloy material for industrial engineering and critical application conditions.
1. Introduction to Tantalum Tube
2. Application fields of Tantalum Tube
Tantalum tube high-purity tantalum tube thick-wall tantalum tube application: used for heat exchanger in the acid production industry, protective pipes and pipelines in the chemical industry, etc.
3. Chemical ingredients
| Ingredients (%) | |||||||||||||
| Brand number | Main ingredients | Impurity content (≤) | |||||||||||
| Ta | Nb | Fe | Si | Ni | W | Mo | Ti | Total Nb+Ta | O | C | H | N | |
| Ta1 | Remaining | — | 0.005 | 0.005 | 0.002 | 0.01 | 0.01 | 0.002 | 0.03 | 0.015 | 0.01 | 0.0015 | 0.005 |
| TA2 | Remaining | — | 0.03 | 0.02 | 0.005 | 0.04 | 0.03 | 0.005 | 0.1 | 0.02 | 0.01 | 0.0015 | 0.005 |
| Tanb3 | Remaining | 1.5～3.5 | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | — | 0.02 | 0.01 | 0.005 | 0.01 |
| TaNb20 | Remaining | 17.0～23.0 | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | — | 0.02 | 0.01 | 0.005 | 0.01 |
| TaNb40 | Remaining | 35.0～42.0 | 0.01 | 0.005 | 0.01 | 0.05 | 0.02 | 0.01 | — | 0.02 | 0.01 | 0.015 | 0.01 |
| TA2.5W | Remaining | — | 0.01 | 0.005 | 0.01 | 2.0～3.5 | 0.01 | 0.002 | 0.1 | 0.01 | 0.01 | 0.0015 | 0.01 |
| Ta10W | Remaining | — | 0.01 | 0.005 | 0.01 | 9.0～11.0 | 0 | ||||||
4. Mechanical properties:
| Brand number | Minimum tensile strength (MPa) | Minimum yield strength (MPa) | Elongation, minimum, % (25.4mm gauge distance) |
| RO5200 ， RO5400 | 207 | 138 | 25 |
| Ro5252 | 276 | 193 | 20 |
| Ro5255 | 481 | 414 | 15 |
| RO5240 | 276 | 193 | 20 |
Tolerance of outer diameter and wall thickness of tantalum tube (mm):
| Outer diameter | Outer diameter tolerance | Wall thickness tolerance |
| 1～20 | ±0.01 | ±5% |
| 20～25 | ±0.05 | ±5% |
| 25～40 | ±0.10 | ±5% |
| 40～60 | ±0.15 | ±5% |
| 60～80 | ±0.20 | ±5% |
| 80～150 | ±0.25 | ±5% |
