Tungsten rod specifications: Grade: W-1 Purity: 99.95% Appearance: Shine with grey or dark grey metallic luster. Application: Mainly used to found ingredient of material, cutter and heads, tungsten wire for lights instruments and conductor of heat, crankshaft and cylinder barrel of advanced automobile, ingredient of kinds of heat-resistant steel, mainly used to guns, artillery, rockets, satellite, airplane and ship. Product Feature: High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion. Composition: Grade Tungsten content Contents of Impurity Elements Total Content Content of each element W1 99.95%min 0.05%max 0.01%max W2 99.92%min 0.08%max 0.01%max Dimension: Diameter(mm) Length(mm) 2-10 2500 10-30 2000 30-60 1500 60-100 1000 100-200 600 Technical process: Tungsten Powder Isostatic Pressing Bar Billet Sinering Semi-finished bar Forging Swaging Polished End products Inspection Packing