ASTM B365 Tantalum Wire
Performance of this Tantalum Product
1.Commodity: Tantalum wire
2.Standard: ASTM B 365-98
3.Available size: ≥0.1 mm
4.Material: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W)
5.Purity: ≥99.9%
Chemical Composition of Tantalum Wire
| Chemistry ppm | ||||||||||||
| Designation | Chief component | Impurities maximum | ||||||||||
| 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 |
| Specification (mm) | Diameter Tolerance (mm) |
| 0.10mm~0.15mm | ±0.005 |
| >0.15mm~0.30mm | ±0.006 |
| >0.30mm | ±0.007 |
Mechanical Properties
| Product condition | Tensile strength (MPa) | Elongation (%) |
| Annealled | 300~600 | 10~30 |
| Half annealled | >600~1000 | <5 |
| Unannealled | >1000 | <5 |
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