tantalum rod

Tantalum alloy (Ta10% W, Ta-10W, Ta10W) rods size: 3. 0mm up to 120mm Diameter x random length, Standard: ASTM B365-92 RO5200 Table.1.Chemical composition: Chemistry % Designation Chief component Impurities maxmium Ta Nb Fe Si Ni W Mo Ti Nb O C H N Ta1 Remainder 0.004 0.003 0.002 0.004 0.004 0.002 0.03 0.015 0.004 0.0015 0.002 Ta2 Remainder 0.01 0.01 0.005 0.02 0.02 0.005 0.08 0.02 0.01 0.0015 0.01 Table2. Permissible variations in diameter for rods Diameter, inch (mm) Tolerance, +/-inch (mm) 0.125 0.187 excl (3.175 4.750) 0.003 (0.076) 0.187 0.375 excl (4.750 9.525) 0.004 (0.102) 0.375 0.500 excl (9.525 12.70) 0.005 (0.127) 0.500 0.625 excl (12.70 15.88) 0.007 (0.178) 0.625 0.750 excl (15.88 19.05) 0.008 (0.203) 0.750 1.000 excl (19.05 25.40) 0.010(0.254) 1.000 1.500 excl (25.40 38.10) 0.015 (0.381) 1.500 2.000 excl (38.10 50.80) 0.020 (0.508) 2.000 2.500 excl (50.80 63.50) 0.030 (0.762) Table3. Mechanical requirements (annealed condition) Rod, Diameter 0.125" (3.18mm) 2.5" (63.5mm)Grade Tensile strength, psi (MPa), ≥ Yield strength, psi (MPa), ≥ Elongation in1 inch gage length, %, ≥ RO5200/RO5400 25000 (172) 15000 (103) 25 RO5252 40000 (276) 28000 (193) 20 RO5255 70000 (482) 55000 (379) 20 RO5240 40000 (276) 28000(193) 25 Note: 10" (254mm) gage length to 0.050"(1.27mm) diameter and 1" (25.4mm) or 2"(50.8mm) gage length over 0.050"(1.27mm) diameter