Rollers guide a steel plate into the natural gas-fired hardening furnace at the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

A crane using pneumatic suction discs lifts a steel plate onto the line at the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

Michael G. Rippey, President and CEO of ArcelorMittal USA, speaks during the dedication ceremony of the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

A laser flatness gauge (foreground) stands ready to measure plates exiting a new 8,200 ton leveler at the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

Rollers guild a red-hot steel plate into the spray roller quench at the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

Valves and pipes cover the side of the hardening furnace at the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

Tom Moser (left), manager of the shipping department of the Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant, walks past stacks of treated steel plates ready for delivery to clients in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

Workers (at right) mark steel plates at the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

Fred Leaf, manager of the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant, keeps watch over the line at the facility in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

Rollers guild a red-hot steel plate into the spray roller quench at the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

John D. Mengel, Chief Operating Officer of ArcelorMittal USA Plate, speaks during the dedication ceremony of the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media

Fred Leaf, manager of the newly revamped Plate Heat Treat Facility at the ArcelorMittal Burns Harbor plant, keeps watch over the line at the facility in Burns Harbor, Ind., Thursday, May 3, 2012. Significant upgrades to the facility have resulted in speed increases from two weeks to three days for product completion. | Guy Rhodes~For Sun-Times Media