With the “Client-Oriented” business philosophy, a rigorous quality control system, advanced manufacturing equipment and a strong R&D team, we always provide high quality products, excellent services and competitive prices for Short Lead Time for Tungsten Wire 99.95%, The principle of our corporation is always to give high-quality merchandise, expert service, and honest communication. Welcome all friends to place trial get for making a long-term enterprise partnership.
With the “Client-Oriented” business philosophy, a rigorous quality control system, advanced manufacturing equipment and a strong R&D team, we always provide high quality products, excellent services and competitive prices for Tantalum Tungsten Wires, Thoriated Tungsten Wire, Tungsten Wire 99.95%, Look forward to the future, we are going to focus more on the brand building and promotion . And in the process of our brand global strategic layout we welcome more and more partners join us, work together with us based on mutual benefit. Let’s develop market by fully utilizing our comprehensive advantages and strive for building.
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.