Grade: Ta1, TaNb3, Ta2.5W Purity: ≥99.95% Melting point: 2996°C Boiling point: 5425°C Density: 16.6g/m³ High quality, workability Certificate: ISO 9002, third-party test Product feature: high melting point, high-density, high temperature oxidation resistance, long service lifespan, resistance to corrosion Size: (OD) 1.0-120 x (thickness) 0.2-5.0 x (length) 200-6000mm Standard: ASTM B521-98