Tungsten Bar

Baoji Refractory Metal Developer Co.,Ltd is one of the leading China tungsten bar manufacturers and suppliers,Website:http://www.rmd1994.com, and as a professional company we have productive factory, welcome to wholesale tungsten bar, tungsten rod products from us.² Chemical Composition:Tungsten contentThe sum of other elementsContent of each element≥99.95%≤0.05%≤0.01%² Specification：DescriptionDiameter (mm)Length (mm)Rod       Φ0.800~Φ12.0050~2000Bar       Φ12.00~Φ20.0050~2000       Φ20.00~Φ30.0050~1200       Φ30.00~Φ60.0050~1000       Φ60.00~Φ70.0050~800       ＞Φ70.0050~600Note:All the products can be supplied in according to customer’s requirement.                                       ²Range of use:   —For producing tungsten wires,tungsten heater,     twisted tungsten wire,negative electrodes,grids,     lead side rods wires,supports,and electrodes etc. ²Surface finish:   —Black surface    —Alkali cleaning surface    —Grinded surface  ²Tolerance： Diameter（mm） Tolerance（mm）Black Polishing      Φ0.800~Φ3.000 ±2%±0.03    ＞Φ3.000~Φ6.500 ±2%±0.05    ＞Φ6.500~Φ11.00 ±2%±0.10＞Φ11.00~Φ20.00 ±2%±0.30    ＞Φ20.00~Φ30.00 ±2%±0.50    ＞Φ30.00~Φ60.00 ±2%±0.70    ＞Φ60.00~Φ70.00 ±2%±1.0    ＞Φ70.00 ±2%±1.5 Note:Special demands on tolerance available.