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Bureau of Mines / Minerals yearbook metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)

Matthews, Norman A.
Ferroalloys,   pp. 525-533 ff. PDF (878.7 KB)


Page 525

  525Ferroalloys 
By Norman A'~ Mauhews1 
 The overall structure of the domestic ferroalloy industry did not change
basically during 1972. Management elected to close some older plants rather
than invest heavily in the pollution control equipment necessary to meet
the stringent emission requirements projected for 1976. The volume of business
improved at yearend as the principal consumers of ferroalloys, the steel,
cast iron, and aluminum industries, approached capacity operations. However
ferroalloy imports increased to such a degree that total domestic shipments
remained practically unchanged compared to those of 1971. Exports of ferroalloys
con- 
tinued to decline with the total volume reduced 43,000 tons (49%), whereas
value declined only $3 million as the export product mix changed considerably.
Published prices were generally constant during the year but did not govern
in many of the major commodities as domestic producers acted to counter prices
of imported products. 
 Detailed information concerning utilization of individual elements in various
alloy products may be found in the chromium, manganese, silicon, molybdenum,
nickel, tungsten, and vanadium chapters. 
1 Physical scientist, Division of Ferrous Metals. 
Table 1.—Government inventory of ferroalloys (stockpile grade), December
31, 1972 
(Thousand short tons) 
Alloy 
National 
(strategic) 
stockpile 
CCC and 
supple- 
mental 
stockpile 
Total 
Ferrochromium: 
High-carbon                                         Low-carbon          
126 
128 
276 
191 
402 
319 
Ferrocbromium-silicon                                      
26 
33 
59 
Ferrocolumbium (contained columbiuin)                         
0.7 
- - 
0.7 
Ferromanganese: 
High-carbon                                              Medium-carbon  
143 
29 
1,033 
- - 
1,176 
29 
Ferromanganese-silicon                                          
Ferromolybdenum (contained molybdenum)                         
Ferrotungsten (contained tungsten)                             
Ferrovanadium (contained vanadium)                           
23 
4 
1 
1 
- - 
- - 
- - 
23 
4 
1 
1 


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