Bureau of Mines / Minerals yearbook: Metals and minerals 1977
Year 1977, Volume 1 (1977)
Schottman, Frederick J.
Ferroalloys, pp. 383-398 PDF (1.7 MB)
Ferroalloys By Frederick J. Schottman1 Total production and shipments of fer- The trade deficit in ferroalloys increased roalloys were about 8% lower in 1977, slightly, with lower exports and higher compared with those in 1976. The most imports. Exports remained only a small important change was a significant decline fraction of imports. Imports of ferroalloys in the production of manganese alloys, totaled over 1 million tons, valued at over Domestic producer prices of the major fer- $452 million. Imports from Japan were roalloys were generally lower to compete down sharply from those in 1976, while with foreign alloys offered at low prices, those from Canada and Latin American Prices of special ferroalloys including ferro- countries increased. columbium and ferromolybdenum were Legislation and Government Prohigher. There was concern about the ability grams.—The inventory of ferroalloys in of molybdenum producers to meet rising Government stockpiles is shown in table 1. demand in the near future. After study, the administration reaffirmed Consumption of manganese and silicon the stockpile goals, based on planning for a alloys was little changed, but consumption 3-year emergency, which had been adopted increased for many of the other alloys used in 1976. Of the materials listed in table 1, to provide special properties in steel. In- stocks of four were below goals. These creased stainless steel production resulted materials and goals were as follows: Ferin higher demand for ferrochromium and rochromium-silicon, 69,000 tons; mediumferronickel. Consumption of ferroboron, carbon ferromanganese, 99,000 tons; silicoferrovanadium, and ferrocolumbium in- manganese, 81,000 tons; and ferrotungsten, creased. 8,884 tons. Table 1..—Government inventory of ferroalloys, December 31, 1977 (Thousand short tons) . . Supple. stockpile Total1 Ferrochroniium: High-carbon Low-carbon Ferrocifromiurn-silicon 126 128 26 276 191 33 403 319 58 Ferrocolumbium(containedcolumbium) .0.5 0.5 Ferroinanganese: High-carbon Mediuin.carbon . 30 29 570 600 29 Ferrotungsten(containedtungsten) Silicomanganese 1 24 1 24 1Data may not add to totals shown because of independent rounding. 383
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