Wolfram bar

tungsten bar Tungsten bars are applied for making filament, cathodes, setting rod at H.T., electrode, lead, support, typing needle etc. Type and applicationType Application WAL1,WAL2 Applied for making filament, cathodes and components for electron tubes, electrode for gas discharge tube WAL3 Used for grid side rod, support, lead and electrode for gas discharge tube W1,W2 Used for grid side rod, support, lead and electrode. Note: Quality is strictly as per GB4187-84 national standard. Chemical composition:Type W Fe Mo Other element WAL1,WAL2, WAL3 ≥99.95% ≤0.001% ≤0.002% ≤0.001% W1,W2 ≥99.95% ≤0.001% ≤0.002% ≤0.001% 3. Appearance: shine with grey or dark grey metallic luster. Tungsten is an important alloying elements,can improve the steel strengthen ,hardness and resistance.