|
|
(R60702)
- ASTM B495:
| R60702
(% ppm) | R60703
% | R60705
% | R60706
% |
Zr+Hf | 99.2 | 98.0 | 95.5 | 95.5 |
Hf | 4.5 | 4.5 | 4.5 | 4.5 |
Fe+Cr | 0.2 (200 ppm) max | - | 0.2 max | 0.2 max |
Sn () | ... | - | - | - |
, | 0.004 (4 ppm) | - | 0.005 | 0.005 |
N, | 0.020 (20 ppm) | - | 0.025 | 0.025 |
C, | 0.05 (50 ppm) | - | 0.050 | 0.050 |
Nb | ... | - | 2.0-3.0 | 2.0-3.0 |
O, | 0.16 (1600 ppm) | - | 0.18 | 0.16 |
400-450 , 1000 3500 .
. . , .
. .
|
|