Standard: ASTM B393-89
Storlek: Φ (25-400) mm * (3-28) mm
Material: RO4200-1, RO4210-2
Renhet:> = 99,9% eller 99,95%
Cirkul?ra m?l: Diameter 25mm upp till 400mm x Tjocklek 3 mm upp till 28mm
Rektangul?ra m?l: Tjocklek 1mm upp till 12,7 mm x bredd upp till 600 mm x L?ngd upp till 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 |
Niob Material
Titanm?l
Nickel M?l
Volfram M?l
Molybdenkroppen
Tantal M?l
Zirkonium M?l
