|
| TABLE 3 | |||||
| REPORTED CONSUMPTION, BY END USE, INDUSTRY STOCKS OF FERRONIOBIUM AND | |||||
| -NICKEL NIOBIUM, AND GOVERNMENT STOCKS BY MATERIAL IN THE UNITED STATES1 | |||||
| (Metric tons of niobium and tantalum content) | |||||
| 2012 | 2013 | ||||
| End use: | |||||
| Steel: | |||||
| Carbon | 1,570 | 1,250 | |||
| Stainless and heat-resisting | 811 | 828 | |||
| Full alloy | (2) | (2) | |||
| High-strength low-alloy | 784 | 747 | |||
| Electric | (2) | (2) | |||
| Tool | (2) | (2) | |||
| Unspecified | 2,870 | 3,080 | |||
| Total | 6,030 | 5,900 | |||
| Superalloys | 1,420 | 1,580 | |||
| Alloys (excluding steels and superalloys) | 18 | 21 | |||
| Grand total | 7,460 | 7,500 | |||
| Stocks, December 31: | |||||
| Consumer | 393 | r | 388 | ||
| Producer3 | W | W | |||
| Total- | 393 | r | 388 | ||
| National Defense Stockpile, total uncommitted inventory by material: | |||||
| Niobium metal ingots | 10.0 | 10.0 | |||
| Tantalum carbide powder | 1.71 | 1.80 | |||
| rRevised. W Withheld to avoid disclosing company proprietary data.- | |||||
| 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
See also: Mineral commodity prices
