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740 MINERALS YEARBOOK, 1972 
Table 4.—Stocks and consumption of new and old magnesium scrap in the
United States in 1972 
(Short tons) 
Item 
Stocks 
Jan. 1' 
Receipts 
Consumption 
Stocks 
Dec. 31 
New 
Old 
Total 
scrap 
scrap 
Cast scrap                      
Solid wrought scrap '                  
153 
736 
1,899 
4,969 
644 
4,588 
1,197 
- - 
1,841 
4,588 
211 
1,117 
Total                     
889 
6,868 
5,232 
1,197 
6,429 
1,328 
Revised. 
' Includes borings, turnings, drosses, etc. 
FOREIGN TRADE 
 As in prior years, the United States continued to be a net exporter of magnesium
metal in 1972. However, U.S. exports of magnesium metal in all forms, declined
from 24,311 short tons, valued at $15.7 million in 1~7l, to 17,556 tons,
valued at $11.7 million in 1972. For the past decade, West Germany was the
largest single export destination for U.S. metal. However, in 1972 U.S. exports
to West Germany declined sharply, totaling only 859 tons. 
 Imports by Brazil, Canada, and Japan accounted for 31, 20, and 7%, respectively,
of the total U.S. magnesium metal exported. Shipments to France, Italy, Mexico,
Switzerland, the United Kingdom, and West Germany collectively totaled 4,157
tons or 24% of total exports. The remaining 3,113 tons were exported to some
20 countries. 
 Total U.S. imports for consumption of magnesium were 4,479 short tons, valued
at $2.6 million in 1972, compared to 3,671 tons, valued at $2.3 million in
1971. Canada, the largest of U.S. sources in 1972, contributed 1,618 tons
of the total metal imported. Receipts from West Germany and the Netherlands
were, respectively, 1,101 and 513 tons. The remainder of U.S. imports, 1,247
tons, was contributed by 15 other nations. 
 The duty on unwrought magnesium, other than alloys was 20% ad valorem, and
on unwrought magnesium alloy (magnesium content) was 8 cents per pound plus
4% ad valorem. The duty on wrought magnesium metal was 6.5 cents per pound
plus 3.5% ad valorem.