Standard: ASTM B 708-2001
Dimensiuni: Φ (25-400) mm * (3-28) mm
Material: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W)
Circulare obiective: 25mm diametru de pan? la 3 mm grosime x 400mm pana la 28mm
Dreptunghiulare obiective: 1 mm grosime de pan? la 12,7 mm x Latime x Lungime de pana la 600mm pana la 2000mm
Puritate:> = 99,95% sau 99,99%
|
Grade |
3N, 3N5, 4N, with Ta 99.99%min |
|
Recrystallization |
95%min |
|
Grain size |
ASTM 4 or finer |
|
Surface finish |
16Rms max. or Ra 0.4 ( RMS64 or better) |
|
Flatness |
0.1mm or 0.15% max |
|
Tolerance |
+/-0.010" on all dimensions |
|
Chemistry ppm |
||||||||||||
|
Designation |
Chief component |
Impurities maxmium |
||||||||||
|
Ta |
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
O |
C |
H |
N |
|
|
Ta1 |
Remainder |
300 |
40 |
30 |
20 |
40 |
40 |
20 |
150 |
40 |
15 |
20 |
|
Ta2 |
Remainder |
800 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
|
TaNb3 |
Remainder |
＜35000 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
|
TaNb20 |
Remainder |
170000- 230000 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
|
Ta2.5W |
Remainder |
400 |
50 |
30 |
20 |
30000 |
60 |
20 |
150 |
50 |
15 |
60 |
|
Ta10W |
Remainder |
400 |
50 |
30 |
20 |
110000 |
60 |
20 |
150 |
50 |
15 |
60 |
Material de tantal
Titan ?int?
Nichel ?int?
Tungsten ?int?
Molibden ?int?
De niobiu ?int?
Zirconiul ?int?
