Exhibit 3.15 LIMITED PARTNERSHIP AGREEMENT THIS LIMITED PARTNERSHIP AGREEMENT made as of January 18, 2002 BETWEEN: IPSCO STEEL (ALABAMA) INC., a corporation incorporated under the laws of the State of Alabama, as General Partner (the "General Partner")Limited Partnership Agreement • November 3rd, 2003 • Ipsco Inc • Steel works, blast furnaces & rolling mills (coke ovens) • Alabama
