|
Home > Minerals > Iron and Steel Slag >
| TABLE 3 | ||||||||||||
| SALES OF FERROUS SLAGS IN THE UNITED STATES, BY USE1 | ||||||||||||
| (Percentage of total tons sold) | ||||||||||||
| 2014 | 2015 | |||||||||||
| Steel | Steel | |||||||||||
| Blast furnace slag2 | furnace | Blast furnace slag2 | furnace | |||||||||
| Use | Air-cooled | Granulated | slag | Air-cooled | Granulated | slag | ||||||
| Ready-mixed concrete | 9.7 | -- | (3) | 7.7 | -- | -- | ||||||
| Concrete products | 1.9 | -- | -- | 2.7 | -- | 1.1 | ||||||
| Asphaltic concrete | 21.4 | -- | 11.9 | 21.9 | -- | 11.8 | ||||||
| Road bases and surfaces | 44.7 | -- | 49.7 | 49.7 | -- | 50.7 | ||||||
| Fill | 10.2 | -- | 12.6 | - | 8.0 | -- | 9.9 | |||||
| Cementitious material | -- | 99.7 | -- | -- | 99.8 | -- | ||||||
| Clinker raw material | -- | -- | 2.6 | - | -- | -- | 2.9 | |||||
| Miscellaneous4 | 6.4 | 0.3 | 1.2 | 5.8 | 0.2 | 1.3 | ||||||
| Other or unspecified5- | 5.7 | -- | 22.0 | - | 4.2 | -- | 22.3 | |||||
| -- Zero. | ||||||||||||
| 1A number of respondents provide breakouts that represent only the dominant use(s) of their slag;- | ||||||||||||
| accordingly, the minor use categories are likely underreported. The data also incorporate- | ||||||||||||
| some estimates and thus should be viewed as accurate to no more than two significant figures. | ||||||||||||
| 2Excludes expanded or pelletized slag; this material is generally sold as lightweight aggregate. | ||||||||||||
| 3Less than 0.05%. | ||||||||||||
| 4Reported as used for railroad ballast, roofing, mineral wool, or as a soil conditioner. | ||||||||||||
| 5Includes return to furnaces (likely underreported) and other uses. | ||||||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices
