Tantalum ingot produced by EB method and VAR method are the main materials for all kinds of processed tantalum materials. Due to
Standard:Q/NSL010-1993,ASTM B 364-92
Chemical composition of the tantalum ingot(standard:Q/NSL010-1993)
Class | Content of impurities | |||||||
O | C | N | H | Fe | Ni | Cr | Si | |
TD- | 0.01 | 0.005 | 0.003 | 0.002 | 0.002 | 0.0005 | 0.0005 | 0.0005 |
TD-1 | 0.01 | 0.005 | 0.003 | 0.002 | 0.0015 | 0.0005 | 0.0005 | 0.002 |
TD-2 | 0.01 | 0.005 | 0.005 | 0.002 | 0.002 | 0.001 | 0.001 | 0.002 |
TD-3 | 0.015 | 0.008 | 0.008 | 0.002 | 0.005 | 0.005 | 0.005 | 0.005 |
| Nb | Cu | W | Mo | Ti | Mn | Al | Zr |
TD- | 0.003 | 0.0005 | 0.001 | 0.001 | 0.0005 | 0.0005 | 0.0005 | 0.001 |
TD-1 | 0.004 | 0.0005 | 0.0015 | 0.001 | 0.0005 | 0.0005 | 0.0005 | 0.001 |
TD-2 | 0.04 | 0.001 | 0.03 | 0.01 | 0.0005 | 0.001 | 0.0005 | 0.001 |
TD-3 | 0.08 | 0.005 | 0.05 | 0.02 | 0.005 | 0.005 | 0.005 | 0.005 |
Chemical composition of the tantalum ingot and tantalum alloy ingot(standard: ASTMB364)
Class | Content of impurities | |||||||||||
C | N | O | H | Nb | Fe | Ti | W | Mo | Si | Ni | Ta | |
RO5200 | 0.010 | 0.010 | 0.015 | 0.0015 | 0.10 | 0.010 | 0.010 | 0.050 | 0.020 | 0.005 | 0.010 | The remaining |
RO5400 | 0.010 | 0.010 | 0.030 | 0.0015 | 0.10 | 0.010 | 0.010 | 0.050 | 0.020 | 0.005 | 0.010 | The remaining |
RO5255 | 0.010 | 0.010 | 0.015 | 0.0015 | 0.10 | 0.010 | 0.010 | 9.0 ~ 11.0 | 0.020 | 0.005 | 0.010 | The remaining |
RO5252 | 0.010 | 0.010 | 0.015 | 0.0015 | 0.50 | 0.010 | 0.010 | 2.0 ~ 3.5 | 0.020 | 0.005 | 0.010 | The remaining |
RO5240 | 0.010 | 0.010 | 0.020 | 0.0015 | 35.0~ 42.0 | 0.010 | 0.010 | 0.050 | 0.020 | 0.005 | 0.010 | The remaining |
