Original
By certification 
Baoji Refractory Metal Developer Co.,Ltd is one of the leading China tantalum foil manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale tantalum foil products from us.
² Products Properties:
—High melting point—2996℃
—High-density —16.6 g/cm3
—High Ductility
—Low coefficient of thermal expansion
—Easy be machined in the room temperature
—Appearance:Grayish silver,bright and smooth
—Excellent resistance to electrochemical corrosion,Chemical most stable below 150℃,
No reaction with HCl, HNO3 and aqua regia.
² 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 | |||||||||||||
² Specification：
|
Thickness (mm) |
Width (mm) |
Length (mm) |
0.03~0.09 |
100 |
— |
>0.09-0.50 |
30~300 |
50~2000 |
>0.50-0.80 |
30~300 |
50~1000 |
>0.80-1.00 |
50~400 |
50~1000 |
Note:All the products can be supplied in according to customer’s requirement. | ||
² Tolerance：
|
Thickness, inch (mm) |
Tolerance, +/-inch (mm) |
|
Width < 6 inch (152.4mm) | |
0.0051~0.010(0.129~0.254) |
0.0005 (0.0127) |
0.011~0.015 (0.279~0.381) |
0.0007 (0.0178) |
0.016~0.020 (0.406~0.508) |
0.0008 (0.0203) |
0.021~0.030(0.533~0.762) |
0.0015 (0.0381) |
0.031~0.060(0.787~1.524) |
0.0025(0.0635) |
Note:Special demands on tolerance available. | |
