1、Types and characters
Types | Characters |
W wire(rods) | Suitable for heating wire ,wines for vacuum coated films, electrical lighting sources |
Stiming W rods | For stirring purposes in rare earth metal smelting |
Conventional W rods | Suitable for contact materials, Parts for electrical light sources |
2、Diameter and tolerance
Diameter | Tolerance | |
Forging rod(%) | Ground rod(%) | |
≤5.0 | ±2 | ±0.03 |
＞5.0 | ±2 | ±0.05 |
＞2.5~8.0 | ±2 | ±0.05 |
＞8.0~16.0 | ±2 | ±0.08 |
