Tantalum has a series of excellent properties such as high melting point, low vapor pressure, good cold working performance, high chemical stability, strong resistance to liquid metal corrosion, and large dielectric constant of surface oxide film. Therefore, tantalum has important applications in high-tech fields such as electronics, metallurgy, steel, chemical industry, cemented carbide, atomic energy, superconducting technology, automotive electronics, aerospace, medical and health care, and scientific research.
Deep-drawn tantalum sheets have high requirements for their elongation, grain size, and annealing temperature. They are mainly produced for high-stretch products, such as safety valve tantalum bursting discs, pressure gauge corrosion-resistant tantalum diaphragms, tantalum crucibles, and semiconductor shielding tantalum covers.
Deep drawing tantalum material specifications:
|
Product name |
Tantalum Sheet/Foil/Plank |
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|
Material purity |
99.95% - 99.99% |
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|
Material grade |
RO5200 / RO5400 |
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|
Executive standard |
ASTM B708-12/GB/T 3629-2006 |
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|
Annealing temperature |
950°- 1050° |
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|
Material status |
M |
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|
Elongation |
38% - 45% |
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|
product type |
thickness |
width |
Delivery status |
|
Tantalum Sheet/Foil/Plank |
0.025(+0.005)mm |
≤120mm |
Tape |
|
0.05(±0.005)mm |
≤300mm |
Tape/sheet |
|
|
0.08(±0.008)mm |
≤320mm |
Tape/sheet |
|
|
0.1(±0.01)mm |
≤320mm |
Tape |
|
|
0.15(±0.015)mm |
≤320mm |
Tape |
|
|
0.2(±0.02)mm |
≤350mm |
Tape |
|
|
0.1-0.2(±0.01)mm |
≤450mm |
sheet |
|
Chemical composition table:
|
Grade |
element content (mass fraction%) |
|||||||||||
|
C |
N |
O |
H |
Fe |
Si |
Ni |
Ti |
Mo |
W |
Nb |
Ta |
|
|
Ta1 |
0.01 |
0.005 |
0.015 |
0.0015 |
0.005 |
0.005 |
0.002 |
0.002 |
0.01 |
0.01 |
0.05 |
margin |
|
Ta2 |
0.02 |
0.025 |
0.03 |
0.005 |
0.03 |
0.02 |
0.005 |
0.005 |
0.03 |
0.04 |
0.1 |
margin |
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