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Is an electric arc furnace coming to Gary Works?

Is an electric arc furnace coming to Gary Works?

GARY | A divide has long split the steel industry.

Big integrated steel mills like those operated by U.S. Steel and ArcelorMittal in Northwest Indiana have forged iron in towering blast furnaces that make high-quality metal for cars, appliances, and trains. Upstart mini-mills, often in the South, have melted scrap metal in electric arc furnaces to make a lower-grade steel for rebar and other construction products.

Nucor Corp., which will surpass U.S. Steel this year in total steelmaking capacity to become the biggest steelmaker in the United States, pioneered the mini-mills that now account for 60 percent of all domestic steel production. No one has built a new integrated mill wtih a blast furnace since ArcelorMittal Burns Harbor went up 50 years ago, while a new mini-mill is currently under construction in Arkansas. 

As they say, if you can't beat them, join them. U.S. Steel is now talking about tearing down the traditional wall between the integrated mill and the mini-mill, and making more steel with electric arc furnaces as part of an ongoing bid to control costs, so it doesn't hemorrhage money every time the economy falls ill. New leadership has been looking for new approaches after the company failed to turn a profit for five consecutive years after the Great Recession.

The Pittsburgh-based steelmaker is in the middle of a cost-cutting makeover that made Wall Street swoon and sent its stock price to soar over the last few months until a hedge fund manager dumped on the stock Tuesday.

As part of the Carnegie Way initiative, U.S. Steel announced earlier this year it plans to replace the blast furnace at Fairfield Works in Alabama, which would require a smaller workforce and potentially lower raw material expenses when it came online in 2017. The Alabama plant would lose 1 million tons of steelmaking capacity because of the switch, but it would cost less to operate because it would require fewer workers, could be turned off when demand dictates, and can be operated during off-peak hours to reduce electricity bills.

New Chief Executive Officer Mario Longhi, who previously ran the mini-mill company Gerdau Ameristeel Corp., said U.S. Steel is looking to replace additional blast furnaces with electric arc furnaces. The company is analyzing where it would make financial sense to do so.

"It's mostly capacity replacement, not addition," he said during the third-quarter conference call.

Ending the carbon alloy project at Gary Works frees up capital for such projects, Longhi said.

Changes in works, but which ones still being considered

Longhi would not identify which blast furnaces could be replaced, but said the company might look at building electric arc furnaces instead of relining blast furnaces, a whopping expense that can cost $100 million or more. The steelmaker will only continue to move in that direction, and will definitely operate more than one electric arc furnace, he said.

"Well, I won't give you a percentage, because we don't have that clearly defined yet, but I can guarantee you that we're not going to sit on only the one that we have defined," he said. "Now this footprint will be coupled to the better understanding that we will have of the markets, the trends, the needs out there and the changing world that we're in ... Certainly it's going to be more than one."

Gary Works would be a logical place to add electric arc furnaces, steel analyst Charles Bradford said. The No. 14 blast furnace, the largest at the mill, was just relined in 2005 and has too big a production capacity to make it a target, but the three other smaller blast furnaces are potential candidates for replacement.

Building an electric arc furnace would, however, cost more than U.S. Steel anticipates, Bradford said. He has questioned the cost and wisdom of relining blast furnaces for years, but said now is an inopportune time to replace them with electric arc furnaces instead, given the high cost of scrap metal and the low cost of raw materials. 

"I've been championing that, but going to EAF makes no sense right now," he said.

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Business Reporter

Joseph S. Pete is a Lisagor Award-winning business reporter who covers steel, industry, unions, the ports, retail, banking and more. The Indiana University grad has been with The Times since 2013 and blogs about craft beer, culture and the military.

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