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      Businesses

      Color Key

      • Hot End
      • Cold End
      Exhaust

      +x

      X

      Manifold / Maniverter

      • 15 Cr-Cb?
      • 18 Cr-Cb?
      • Type 439
      • AK Steel 436L
      • THERMAK? 17
      • Type 444

      Grades designed for demanding hot-end applications.

      +x

      X

      Flange

      • AK Steel 409 Ni
      • Type 410Cb

      Toughness and ease of fabrication create lightweighting potential over carbon steel options.

      +x

      X

      Connecting Pipe

      Hot-End

      • 15 Cr-Cb?
      • 18 Cr-Cb?
      • Type 439
      • AK Steel 436L
      • Aluminized Types 409/439
      Cold-End
      • Types 409/439
      • AK Steel 436L
      • Alumnized Types 409/439
      Solutions to meet both hot and cold end exhaust pipes.

      +x

      X

      Tail Pipe

      • Type 409
      • Type 439
      • AK Steel 436L
      • Aluminized Type 409
      • Aluminized Type 439
      • Type 304L

      Properties ranging from durable to aesthetically critical.

      +x

      X

      Muffler

      • Types 409/439
      • Aluminized Types 409/439
      • AK Steel 436L
      • 18 Cr-Cb?

      Internal Exhaust Tubing

      • Types 409/439
      • 15 Cr-Cb?
      • 18 Cr-Cb?
      • AK Steel 436L

      Alloys offering oxidation and corrosion resistance for a long-lasting product.

      AK Steel's Sustainability Efforts Featured on "Earth" TV Program

      AK Steel was recently featured in a special TV segment as part of the "EARTH" TV program. The segment focuses on our sustainability work, and you will see video from our AK Steel Middletown Works and our Research and Innovation Center. We hope you will be inspired by the important work our employees are doing every day to reduce, reuse and recycle water critical to the steelmaking process, and our role in making steel the world's most recycled material.

      Earth Promo

      People

      Our Greatest Asset

      Inspiring the Next Generation of Manufacturers

      AK Steel is proud to be a State Presenting-Level sponsor of Manufacturing Day in Ohio. MFG Day is the nation’s largest one-day celebration of manufacturing, where manufacturers across the country open their doors for students, parents and teachers, highlighting the diverse career opportunities in manufacturing.

      Manufacturing Day Logo

      ?

      Latest News and Events

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      Contact Us By Phone

      Customer Service

      Sales

      Corporate Headquarters

      Media Relations

      Lisa H. Jester

      Corporate Manager, Communications and Public Relations

      Investor Relations

      Jaime Vasquez

      Vice President, Finance and Chief Financial Officer

      Christopher J. Ross

      Vice President and Treasurer

      Douglas O. Mitterholzer

      General Manager, Investor Relations and Assistant Treasurer

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