Built for safety. Designed for efficiency. Powered by data. At U. S. Steel’s Big River Steel Works, learning is built into every step of our operation—including how coils are moved and stored at our Big River 2 expansion. BR2’s Hot Autonomous Coil Storage (HACS) area operates 24/7 using order data and automation to position coils precisely, reduce risk to our employees, and protect product quality so we reliably deliver the differentiated solutions our customers need. 🔗 Learn more about how HAC