| Message: | Baoji Refractory Metal Developer Co.,Ltd is one of the leading China tungsten bar manufacturers and suppliers, 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. url:http://www.rmd1994.com |
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