Pure Tungsten Bar

Appearance : Silver gray metallic luster .
Grade : W-1 W-2 W-3 W-4 
Density：≥17.0g /cm3
Main application : W-1 is used for making the pole , wire drawing , or doing steel-making additive . W-4 is used as the steel-making additives .
The impurity content accords with GB3459-82