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Good Propersity Black Tungsten Wire Dia0.281
Non-ferrous Metal ProductsTungsten WireTungsten
Luoyang Tongchang Tungsten & Molybdenum Material Co., Ltd.
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Product Description Tungsten wire Applications:For producing electric light source parts and electric vaccum componentsFor producing heating elements and refractory parts in high temperature furnacesFor producing heating elements used in vaccum metalizing or plating Appearance: W-wire is regular black covered with graphite. After graphite is removed it is metallic luster.Chemical Composition:DesignationTungsten ContentImpurity Elements ContentTotalEachWAL1, WAL2≥99.95%≤0.05%≤0.01%W1≥99.95%≤0.05%≤0.01%W2≥99.92%≤0.08%≤0.01%Note: Potassium is not counted in impurities content.Diameter tolerance(%):Diameter (μm)Weight (mg/200mm)Weight(mg/200mm) Tolerance(%)Diameter Tolerance(%)Grade 0Grade 1Grade 2Grade 0Grade 1Grade 25≤d≤120.075~0.44-±4±5---12<d≤18>0.44~0.98-±3±4---18<d≤40>0.98~4.85±2±2.5±3---40<d≤80>4.85~19.39±1.5±2.0±2.5---80<d≤300>19.39~272.71±1.0±1.5±2.0---300<d≤350>272.71~371.79-±1.0±1.5---350<d≤500--±1.5±2.0±2.5500<d≤1800-
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