ASTM B 780 RO5200 Tantalum Crucible

ASTM B 780 RO5200 Tantalum CrucibleASTM B 780 RO5200 Tantalum Crucible 1. Product Introduction 1.Grade: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W) 2.Standard: ASTM B521-98, GB/T14841, ASTMB365, ASTMB708 3.Purity:≥ 99.95% 4.Size: Diameter: φ2.0-100mm Thickness: 0.2-5.0mm Length: 200mm-6000mm 5.Characteristic: Density: 16.68 g/cm3 Certificate: ISO9001:2008 6.Product Feature: Strict quality control system: --- Each link of the production will be strictly controlled, ensuring without one unqualified product being out from our company. 2. Technology Data Sheet OD 20mm Wall 1.27mm Tapered 12.7mm OD 12.7mm Wall 0.762mm Tapered 12.7mm OD 38.10mm Wall 1.778mm Tapered 38.10mm OD 34.29mm Wall 1.778mm Height 9.525mm Grade(UNS) Annealed Tensile strength min, psi (MPa) Yield strength min,psi (MPa)(2%) Elongation min, % (1 inch gage length) Pure Ta (RO5200, RO5400) 30000 (207) 20000 (138) 20 Ta-10W (RO5255) 70000 (482) 60000 (414) 15 Ta-2.5W (RO5252) 40000 (276) 30000 (207) 20 Ta-40Nb (RO5240) 35000 (241) 20000 (138) 25 Chemistry % Designation Chief component Impurities maxmium Ta Nb Fe Si Ni W Mo Ti Nb O C H N Ta1 Remainder 0.005 0.003 0.002 0.006 0.006 0.002 0.04 0.015 0.005 0.0015 0.006 Ta2 Remainder 0.01 0.01 0.005 0.02 0.02 0.005 0.08 0.02 0.01 0.0015 0.01 TaNb3 Remainder 3.5 0.01 0.01 0.005 0.02 0.02 0.005 0.02 0.01 0.0015 0.01 TaNb20 Remainder 17.0-23.0 0.01 0.01 0.005 0.02 0.02 0.005 0.02 0.01 0.0015 0.01 Ta2.5W Remainder 0.005 0.003 0.002 3.0 0.006 0.002 0.04 0.015 0.005 0.0015 0.006 Ta10W Remainder 0.005 0.003 0.002 11 0.006 0.002 0.04 0.015 0.005 0.0015 0.006 Content, Max, Weight % Element R05200 Unalloyed Tantalum R05255 90% Tantalum 10% Tungsten R05252 97.5% Tantalum 2.5% Tungsten R05240 60% Tantalum 40% Niobium C 0.010 0.010 0.010 0.010 O 0.015 0.015 0.015 0.020 N 0.010 0.010 0.010 0.010 H 0.0015 0.0015 0.0015 0.0015 Fe 0.010 0.010 0.010 0.010 Mo 0.020 0.020 0.020 0.020 Nb 0.100 0.100 0.50 35.0~42.0 Ni 0.010 0.010 0.010 0.010 Si 0.005 0.005 0.005 0.005 Ti 0.010 0.010 0.010 0.010 W 0.05 9.0~11.0 2.0~3.5 0.050 Ta Remainder Remainder Remainder Remainder 3. Technology: Tantalum Powder → Isocratic Pressing → Bar Billet →Sintering → Semi-finished bar →Forging → Swaging → Polished → End products → Inspection → Packing 4. Application Tantalum crucible is used as container for rare-earth metallurgy, load plates for anodes of tantalum and niobium electrolytic capacitors sintered at high temperatures, corrosion resistant containers in chemical industries and evaporation crucibles and liners. 5. Tantalum features 1) High melting point , 2) Low vapor pressure, 3) Good cold process ability , 4) Excellent chemical stability , 5) Good resistance to corrosion , 6) High temperature strength 7) Good bio-compatibility 8) High dielectric constant ,in surface oxide film . Widely used in many industries such as electronics ,metallurgy, chemical processing , hard alloy cutters , aerospace and aviation. 6. Our advantage 1. Advanced Equipment and Management; 2. Strict Quality Control &Inspection; 3. Global quality warranty; 4. Different sizes available; 5. Free OEM service; 6. Various Packaging & Shipping Choice; 7. Timely& Efficient Delivery; 8. Professional & Responsible Staff