... 3)size:(1~6)*(150~1000)*(100~2000)mm Ta1 Tantalum sheet:1) Standard ASTM B708--983)Surface Polished bright surface ... )Size (0.03~50)*(150~1000)*(100~2000)mm6)Performance Tantalum belong to the high melting point ,high boiling point rare ... metal color ,steel ,ductility and corrosion resistance .7)Application Tantalum widely used for defense ,aviation, spaceflight ,electronic computer ,high-grade ...