|
| 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 | 2006 | 2007 | ||||||
| Steel: | ||||||||
| Carbon | 1,790 | 1,730 | ||||||
| Stainless and heat-resisting | 578 | r | 843 | |||||
| Full alloy | (2) | (2) | ||||||
| High-strength low-alloy | 601 | r | 928 | |||||
| Electric | (2) | (2) | ||||||
| Tool | (2) | (2) | ||||||
| Unspecified | 536 | 1,600 | ||||||
| Total | 3,510 | r | 5,100 | |||||
| Superalloys | 1,540 | r | 1,400 | |||||
| Alloys (excluding steels and superalloys) | 2 | r | 3 | |||||
| Miscellaneous and unspecified | -- | -- | �� | |||||
| Grand total | 5,050 | r | 6,510 | |||||
| Stocks, December 31: | ||||||||
| Consumer | 620 | 623 | ||||||
| Producer3 | W | W | ||||||
| Total� | 620 | 623 | ||||||
| rRevised. W Withheld to avoid disclosing company proprietary data.� -- Zero.��� | ||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | ||||||||
| 2Included with "Steel, unspecified." | ||||||||
| 3Ferroniobium only. | ||||||||
Source: United States Geological Survey Mineral Resources Program