Material:
RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
Available size:
Tantalum tube: size: O.D￠1.0mm x 0.2mm(0.2mm-5.0mm)---￠60mm
For Ta-10W size: O.D￠1.0mm x 0.2mm(0.2mm-5.0mm)---￠50mm
Standard: As per ASTM B521-98
Table1. Pemissible variations in diameter & wall thickness
| Outside diameter, inch (mm) |
Diameter tolerance, inch(mm), +/- |
Permissible variaton in wall thickness, %, +/- |
| <1 (25.4) |
0.004 (0.102) |
10 |
| 1~1.5 (25.4~38.1) |
0.005 (0.127) |
10 |
| 1.5~2 (38.1~50.8) |
0.006 (0.152) |
10 |
| 2~2.5 (50.8~63.5) |
0.007 (0.178) |
10 |
| 2.5~3.5 (63.5~88.9) |
0.008 (0.254) |
10 |
Table 2. Mechanical requirements (annealed condition)
| Grade |
Tensile strength δbpsi (MPa), ≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, %, ≥ |
| RO5200/RO5400 |
30000 (207) |
20000 (138) |
25 |
| RO5252 |
40000 (276) |
28000 (193) |
20 |
| RO5255 |
70000 (481) |
60000 (414) |
15 |
| RO5240 |
40000 (276) |
28000 (193) |
20 |
|
