We know that we only thrive if we could guarantee our combined price tag competiveness and quality advantageous at the same time for Factory Selling Electrical Industry Tantalum Rings, Our firm is dedicated to offering customers with substantial and secure top quality items at competitive cost, earning every customer contented with our services.
We know that we only thrive if we could guarantee our combined price tag competiveness and quality advantageous at the same time for Industrial Piercing Rings, Industrial Steel Rings, Tantalum Rings, At Present, our merchandise have been exported to more than sixty countries and different regions, such as Southeast Asia, America, Africa, Eastern Europe, Russia, Canada etc. We sincerely hope to establish wide contact with all potential customers both in China and the rest part of the world.
Chemical composition:
| Brand name | Ta1 | Ta2(doped) | ||
| ChemicalCompositions （%） |
Ta≥ | 99.95 | 99.95 | |
| Impurities | O | 0.0200 | 0.0200 | |
| C | 0.0050 | 0.0050 | ||
| N | 0.0040 | 0.0040 | ||
| H | 0.0015 | 0.0015 | ||
| Fe | 0.0045 | 0.0045 | ||
| Ni | 0.0025 | 0.0025 | ||
| Cr | 0.0025 | 0.0025 | ||
| Nb | 0.0050 | 0.0050 | ||
| Mo | 0.0020 | 0.0020 | ||
| W | 0.0020 | 0.0020 | ||
| Ti | 0.0005 | 0.0005 | ||
| Sn | 0.0010 | 0.0010 | ||
| Ca | 0.0010 | 0.0010 | ||
| Na | 0.0020 | 0.0020 | ||
| Al | 0.0005 | 0.0005 | ||
| Si | 0.0030 | 0.0030 | ||
Surface: Smooth surface, clean, no oil, cracks and burrs, no tangling, knotting, crossover, etc.
Size and tolerance:
| Diameter (mm) | Tolerance (mm) |
| 0.06 0.10 .011 .015 | ±0.005 |
| 0.17 0.19 0.20 0.24 0.25 0.29 0.30 | ±0.006 |
| 0.33 0.34 0.35 0.381 0.4 0.47 0.50 | ±0.007 |
| 0.60 0.80 | ±0.01 |
Mechanical properties:
| Type | Tensile strength Rm/(N/mm2) | ElongationA200mm/% |
| Soft（M） | 300～750 | 10～30 |
| Semi-hard（Y2） | 750～1250 | 1～6 |
| Hard（Y） | >1250 | 1～5 |
Antioxidant brittleness:
| Brand name | D/mm | Anti-oxidative brittle bending times, not less than |
| Ta1 | 0.10～0.40 | 3 |
| >0.40 | 4 | |
| Ta2(doped) | 0.10～0.40 | 4 |
| >0.40 | 6 |
Straightness: Arc degree is greater than or equal to 800mm diameter. Lift height is less than 20mm.