Your premier source for flat-rolled steel

We have the most-talented, hardest-working employees in the industry, enabling us to quickly adapt to our customers’ needs—and to make the highest-quality steel faster than anyone else in the world.


Firestone honors Flat Roll Division

In July, SDI was one of three companies—and the only steel producer—to receive the Supplier Excellence Award from the $1.7 billion Firestone Building Products Group. SDI’s Flat Roll Division received the award during a [...]


Increase your SDI APP-titude

Now you can be in the know while you’re on the go with our new app for iPhones and iPads, available for download at iTunes. With this app you’ll have immediate, portable access to [...]


Flat Roll Division features new coil-to-coil processing line

The Flat Roll Division has added to its impressive lineup of value-added products with a new coil-to-coil hot-band processing line. “We anticipate producing industry-leading flatness, the best hot-rolled shape in the business,” says Charlie [...]


Flat Roll Division United Way Donations Top $3 million

With a combined donation of $323,906 from employees and the company during the 2012 campaign, SDI’s Flat Roll Division has provided a total of $3,020,543 in contributions to the United Way of DeKalb County [...]


A message from Jordan Breiner,
General manager of the Flat Roll Group Butler Division

For the record

Welcome to our new website. We've created this new more comprehensive site to better showcase what we offer: the highest-quality products for the widest range of applications. Please take a good look around. You'll find an overview of our facilities, what we make, how we make it, and for whom. You'll also find a wealth of resources for [...]
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