Turkey's Borusan Mannesmann enters negotiations for $550 million USD pipe sales deal in the US market. The contract represents approximately 15% of Turkey's annual steel pipe exports. The agreement targets American infrastructure projects across energy, construction, & municipal sectors. Negotiations encompass multi-year supply arrangements that could establish Borusan as major American market player. The deal demonstrates growing American preference for diversified supplier networks. Success could catalyze broader Turkish steel industry expansion into North American markets through established precedents.