0001125282-04-003698 10-Q 7 20040630 20040809 STEEL DYNAMICS INC 0001022671 3312 351929476 IN 1231 10-Q 34 000-21719 04959724 6714 POINTE INVERNESS WAY SUITE 200 FORT WAYNE IN 46804 2604593553 6714 POINTE INVERNESS WAY SUITE 200 FORT WAYNE IN 46804 10-Q 1 b400205_10q.htm QUARTERLY REPORT GRAPHIC 2 emptybox.gif GRAPHIC GRAPHIC 3 tickedbox.gif GRAPHIC EX-31.1 4 b400205ex31_1.htm EXHIBIT 31.1 EX-31.2 5 b400205ex31_2.htm EXHIBIT 31.2 EX-32.1 6 b400205ex32_1.htm EXHIBIT 32.1 EX-32.2 7 b400205ex32_2.htm EXHIBIT 32.2