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☆ Properties: As a refractory metal tantalum stands out for a combination of high melting point, low ductile-to-brittle transition temperature and corrosion resistance.
☆ Application: Used for the heating elements in high temperature vacuum furnaces. Furthermore, Tantalum is also used for electrolytic capacitors, prosthetic devices and surgical staples, and in specialized aerospace, nuclear and military applications.
☆ Chemical Composition:
Chemistry % | |||||||||||||
|
Grade |
Chief component |
Impurities max |
|||||||||||
Ta |
Other |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Nb |
O |
C |
H |
N |
|
Ta1 |
Balance |
0.004 |
0.003 |
0.002 |
0.004 |
0.004 |
0.002 |
0.03 |
0.015 |
0.004 |
0.0015 |
0.002 |
|
Ta2.5W |
Balance |
W2.0~3.5 |
0.01 |
0.005 |
0.005 |
— |
0.02 |
0.003 |
0.05 |
0.015 |
0.01 |
0.002 |
0.01 |
Ta10W |
Balance |
W9.5~11 |
0.01 |
0.005 |
0.005 |
— |
0.02 |
0.003 |
0.05 |
0.015 |
0.01 |
0.002 |
0.01 |
TaNb3 |
Balance |
Nb1.5~3.5 |
0.03 |
0.03 |
0.005 |
0.04 |
0.03 |
0.005 |
— |
0.03 |
0.02 |
0.005 |
0.025 |
Note：Ta1=RO5200 Ta2.5W=RO5252 Ta10W=RO5255 | |||||||||||||
☆ Specification：
Description |
Diameter (mm) |
Length (mm) |
Rod |
Φ1.00~Φ12.00 |
50~2000 |
Bar |
Φ12.00~Φ20.00 |
50~2000 |
Φ20.00~Φ30.00 |
50~1200 |
|
Φ30.00~Φ60.00 |
50~1000 |
|
＞Φ60.00 |
50~600 |
|
Note:All the products can be supplied in according to customer’s requirement. | ||
☆ Tolerance：
|
Diameter（mm） |
Diameter Tolerance（mm） |
Length（mm） |
LengthTolerance（mm） |
3.0~4.5 |
±0.05 |
200~1500 |
+5 |
＞4.5~6.5 |
±0.10 |
200~1500 |
|
＞6.5~10.0 |
±0.15 |
200~1500 |
|
＞10.0~16.0 |
±0.20 |
200~1200 |
|
＞16.0~18.0 |
±1.00 |
200~2000 |
+20 |
＞18.0~25.0 |
±1.50 |
200~2000 |
|
＞25.0~40.0 |
±2.00 |
200~4000 |
+20 |
＞40.0~50.0 |
±2.50 |
200~3000 |
|
＞50.0~65.0 |
±3.00 |
200~1500 |
|
＞65.0~95.0 |
±4.00 |
200~1000 |
|
Note:Special demands on tolerance available. | |||