Technical Specifications
Product Overview
High-Performance Tungsten Wire
This alkali-washed tungsten wire is engineered specifically for the production of high-temperature filaments. With a high melting point and superior oxidation resistance, it offers exceptional durability and corrosion resistance for demanding lighting applications. Its versatility makes it suitable for incandescent, fluorescent, and halogen lamps, as well as specialized heating components and TIG welding electrodes.

Technical Specifications
- Density
- 19.2 g/cm3
- Purity (W)
- >= 99.95%
- Technique
- Powder Metallurgy
- Standard
- GB/T4181-2007
Physical Properties
Surface Finish
- Key Features
- High melting pointOxidation resistantCorrosion resistantLong service life
Applications
Primary Applications
- Incandescent lamp filaments
- Fluorescent lamp filaments
- Halogen lamp filaments
- HID lamp electrodes
- Heating components
- Vacuum metalizing coils
- TIG welding electrodes
Tungsten Rod Specifications
Rod Diameter and Tolerance
| Diameter (mm) | Tolerance (%) | Length (mm) |
|---|---|---|
| <20 | ±0.1 | 2000 |
| 20~30 | ±0.1 | 1200 |
| 30~60 | ±0.1 | 1000 |
| 60~70 | ±0.2 | 800 |
| 70~90 | ±0.2 | 600 |
| >90 | Contact Supplier | Negotiable |






