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Table 1 Chemical Compositions（Ingot）
|
Grade |
Chief component |
Impurity Maximum, % |
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|
Ta |
C |
H |
O |
N |
Fe |
Si |
Ni |
W |
Mo |
Nb |
Ti |
|
|
RO5200 |
Remainder |
0.010 |
0.0015 |
0.015 |
0.010 |
0.010 |
0.005 |
0.010 |
0.050 |
0.020 |
0.10 |
0.010 |
|
RO5400 |
Remainder |
0.010 |
0.0015 |
0.030 |
0.010 |
0.010 |
0.005 |
0.010 |
0.050 |
0.020 |
0.10 |
0.010 |
|
Ta-1 |
≥99.95 |
0.004 |
0.0015 |
0.015 |
0.005 |
0.005 |
0.005 |
0.002 |
0.005 |
0.002 |
0.005 |
0.001 |
|
Standard：ASTM B708-05，Special requirements to be agreed on by the supplier and buyer. |
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Table 2 Tantalum Plate Sheet, Foil
|
|
Thickness（mm） |
Width（mm） |
Length（mm） |
|
Foil |
0.026∽0.1 |
30∽100 |
100∽800 |
|
Sheet（Strip） |
0.1∽0.5 |
30∽300 |
300∽2500 |
|
board |
0.5∽10 |
30∽600 |
600∽2500 |
|
Standard：ASTM B708-05，Special requirements to be agreed on by the supplier and buyer.
|
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Table 3 Mechanical Properties
|
Grade mm |
Thickness mm |
Tensile strength ≥MPa |
Yield strength ≥MPa |
Elongation ≥% |
|
RO5200 RO5400 |
＜1.524
|
207 |
138
|
20
|
|
≥1.524 |
172 |
103 |
30 |
|
|
Standard：ASTM B708-05，Special requirements to be agreed on by the supplier and buyer. |
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