|
|
635
( % ):
| Nb | Sn | Fe | O | Si | Zr |
min, % | 0.90 | 1.10 | 0.30 | 0.05 | 0.0050 | - |
max, % | 1.10 | 1.40 | 0.47 | 0.12 | 0.0200 | |
, ( ppm**)):
| Al | B | Be | C | Ca | Cd | Cl |
max, ppm | 75 | 0.5 | 30 | 200 | 100 | 0.3 | 20 |
| Cu | Cr | F | H | Hf *) | K | Li |
max, ppm | 50 | 200 | 30 | 15 | 500 | 40 | 8 |
| Mn | Mo | N | Ni | Pb | Ti | |
max, ppm | 20 | 50 | 60 | 70 | 50 | 50 | |
*) 100 ppm
**) ppm
400-450 , 1000 3500 .
. . , .
. .
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