Standard: ASTM B393-89
Dimensiuni: Φ (25-400) mm * (3-28) mm
Material: RO4200-1, RO4210-2
Puritate:> = 99,9% sau 99,95%
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
|
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 |
|
Purity |
99.99% |
|
Chemistry PPM |
||||||||||||
|
Designation |
Chief component |
Impurities maxmium |
||||||||||
|
Nb |
Ta |
Si |
Ni |
W |
Mo |
Ti |
Fe |
O |
C |
H |
N |
|
|
Nb1 |
Remainder |
700 |
50 |
50 |
50 |
30 |
20 |
50 |
150 |
40 |
15 |
30 |
|
Nb2 |
Remainder |
1000 |
80 |
40 |
100 |
100 |
40 |
80 |
180 |
60 |
15 |
50 |
Material de niobiu
Titan ?int?
Nichel ?int?
Tungsten ?int?
Molibden ?int?
Tantal ?int?
Zirconiul ?int?
