Zhengzhou Sanhui Refractory Metal Co., Ltd.
Zhengzhou Sanhui Refractory Metal Co., Ltd.
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1. Product name Tantalum Tube / Pipe
2. Purity 99.9~99.99%
3. Standard ASTM B365
4. Diameter 5.0mm - 110mm
5. Application Capacitors, high-temperature furnace parts, semiconductor, sputtering targets
6. Strict quality control System: Each link of the production will be strickly controled,ensuring without one un-qualified product being out from our company.
7. Certification Report: Material Certification,CE,SGS, or testing report will be offered.
8. Chemical Compositions
| Chemistry ppm | ||||||||||||
| Designation | Chief component | Impurities maxmium | ||||||||||
| Ta | Nb | Fe | Si | Ni | W | Mo | Ti | O | C | H | N | |
| Ta1 | Remainder | 300 | 40 | 30 | 20 | 40 | 40 | 20 | 150 | 40 | 15 | 20 |
| Ta2 | Remainder | 800 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 |
| TaNb3 | Remainder | <35000 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 |
| TaNb20 | Remainder | 170000- 230000 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 |
| Ta2.5W | Remainder | 400 | 50 | 30 | 20 | 30000 | 60 | 20 | 150 | 50 | 15 | 60 |
| Ta10W | Remainder | 400 | 50 | 30 | 20 | 110000 | 60 | 20 | 150 | 50 | 15 | 60 |
9. Specification
| Outside diameter, inch (mm) | Diameter tolerance, inch(mm), +/- | Permissible variaton in wall thickness, %, +/- |
| <1 (25.4) | 0.004 (0.102) | 5 |
| 1~1.5 (25.4~38.1) | 0.005 (0.127) | 5 |
| 1.5~2 (38.1~50.8) | 0.006 (0.152) | 5 |
| 2~2.5 (50.8~63.5) | 0.007 (0.178) | 5 |
| 2.5~3.5 (63.5~88.9) | 0.010 (0.254) | 5 |
