Description: Standard: ASTM B521 Grade: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W) Application: With the features of high melting point, corrosion-resist, good machinability in cold environment, tantalum and tantalum alloy (Ta-2.5W、Ta-10W、Ta-40Nb) tubes are widely applied in the chemical