|
| TABLE 4� | |||||||
| REPORTED CONSUMPTION, BY END USE, AND INDUSTRY STOCKS OF | |||||||
| FERRONIOBIUM AND NICKEL NIOBIUM IN THE UNITED STATES1 | |||||||
| (Metric tons of niobium content) | |||||||
| End use | 2005 | 2006 | |||||
| Steel: | |||||||
| Carbon | 1,390 | 1,790 | |||||
| Stainless and heat-resisting | 535 | r | 601 | ||||
| Full alloy | ������������������ (2) | ������������������ (2) | |||||
| High-strength low-alloy | 1,100 | r | 1,080 | ||||
| Electric | (2) | (2) | |||||
| Tool | (2) | (2) | |||||
| Total | 3,020 | r | 3,470 | ||||
| Superalloys | 1,570 | r | 1,580 | ||||
| Alloys (excluding steels and superalloys) | 3 | r | 2 | ||||
| Miscellaneous and unspecified | -- | r | -- | �� | |||
| Grand total | 4,600 | r | 5,050 | ||||
| Stocks, December 31: | |||||||
| Consumer | 484 | 605 | |||||
| Producer3 | W | W | |||||
| Total� | 484 | 605 | |||||
| rRevised. W Withheld. -- Zero.� | |||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | |||||||
| 2Included with "Steel, high-strength low alloy." | |||||||
| 3Ferroniobium only. | |||||||
Source: United States Geological Survey Mineral Resources Program