BaoJi Fitow Metal Co., LTD
Tel : 8613909176258
Email: sales@fitowmetal.com
Add:Tai Cheng Road ,WeiBin Bistrict,Baoji City,ShaanXi Province,China Zip code :721013
tantalum protection sleeve pipe Tubes Thermowells
Tantalum protection tube tantalum protection sleeve pipe
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
size: Diameter: φ2.0-120mm Thickness: 0.2-5.0mm Length: 200mm-6000mm
Standard: As per ASTM B521-98
Purity: >=99.95% or 99.99%
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 & wall thickness
|
Outside diameter, inch (mm) |
Diameter tolerance, inch(mm), +/- |
Permissible variaton in wall thickness, %, +/- |
|
<1 (25.4) |
0.004 (0.102) |
5 |
|
1~1.5 (25.4~38.1) |
0.005 (0.127) |
5 |
|
1.5~2 (38.1~50.8) |
0.006 (0.152) |
5 |
|
, ;2~2.5 (50.8~63.5) |
0.007 (0.178) |
5 |
|
2.5~3.5 (63.5~88.9) |
0.010 (0.254) |
5 |
Table3. 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 |
