Wolfram bar

tungsten bar 1: Type & Application: Type 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 GB 4187-84 national standard. 2: 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: dimension and tolerance Varity Diameter Range Diameter Tolerance MIN MAX Black rod wroughted 2.8mm-11mm ±0.05mm ±0.1mm Straightened rod 0.8mm-3.0mm ±0.01mm ±0.01mm Ground rod 0.8mm-10mm ±0.01mm ±0.05mm