AK Steel Holding (AKS)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Post-Effective Amendment No. 1 to Registration Statement No. 333-60151, Post-Effective Amendment No. 1 to Registration Statement No. 333-82035, Post-Effective Amendment No. 3 to Registration Statement No. 333-04505, Post-Effective Amendment No. 6 to Registration Statement No. 33-84578, and Registration Statement No. 333-124296 of AK Steel Holding Corporation (the “Company”) on Forms S-8 of our reports dated February 25, 2008 (which reports express an unqualified opinion and include an explanatory paragraph relating to the adoption by the Company of the provisions of Statement of Financial Accounting Standards No. 123(R), Share-Based Payment, on January 1, 2006, the recognition and related disclosure provisions of Statement of Financial Accounting Standards No. 158, Employers’ Accounting for Defined Benefit Pension and Other Postretirement Benefit Plans, on December 31, 2006, and the provisions of Financial Accounting Standards Board Interpretation No. 48, Accounting for Uncertainty in Income Taxes, on January 1, 2007), relating to the financial statements and financial statement schedule of the Company and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of the Company for the year ended December 31, 2007.

DELOITTE & TOUCHE LLP

Cincinnati, Ohio

February 25, 2008

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Post-Effective Amendment No. 1 to Registration Statement No. 333-60151, Post-Effective Amendment No. 1 to Registration Statement No. 333-82035, Post- Effective Amendment No. 3 to Registration Statement No. 333-04505, and Post-Effective Amendment No. 6 to Registration Statement No. 33-84578 on Forms S-8 of our report on the financial statements and financial statement schedule dated February 27, 2007 (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the adoption by AK Steel Holding Corporation and subsidiaries (the “Company”) of Statement of Financial Accounting Standards No. 123(R), Share-Based Payment, on January 1, 2006 and the recognition and related disclosure provisions of Statement of Financial Accounting Standards No. 158, Employers’ Accounting for Defined Benefit Pension and Other Postretirement Plans, on December 31, 2006), and our report on management’s report on the effectiveness of internal control over financial reporting dated February 27, 2007, appearing in this Annual Report on Form 10-K of AK Steel Holding Corporation for the year ended December 31, 2006.

DELOITTE & TOUCHE LLP

Cincinnati, Ohio

February 27, 2007

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Post-Effective Amendment No. 1 to Registration Statement No. 333-60151, Post-Effective Amendment No. 1 to Registration Statement No. 333-82035, Post-Effective Amendment No. 3 to Registration Statement No. 333-04505, and Post-Effective Amendment No. 6 to Registration Statement No. 33-84578 of AK Steel Holding Corporation (the “Company”) on Forms S-8 of our report on the Company’s financial statements and financial statement schedule dated February 28, 2006 (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the Company’s retrospective revision of the consolidated statements of cash flows to present separate disclosure of the cash flows from operating and investing activities of discontinued operations), and our report dated February 28, 2006 relating to Company management’s report on the effectiveness of internal control over financial reporting, appearing in this Annual Report on Form 10-K of AK Steel Holding Corporation for the year ended December 31, 2005.

DELOITTE & TOUCHE LLP

Cincinnati, Ohio

February 28, 2006

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-60151, Post-Effective Amendment No. 1 to Registration Statement No. 333-82035, Post- Effective Amendment No. 2 to Registration Statement No. 333-04505, and Post-Effective Amendment No. 5 to Registration Statement No. 33-84578 of AK Steel Holding Corporation on Forms S-8 of our reports dated March 4, 2005, relating to the consolidated financial statements and financial statement schedule of AK Steel Holding Corporation and management’s Annual Report on Form 10-K of AK Steel Holding Corporation for the year ended December 31, 2004.

DELOITTE & TOUCHE

Cincinnati, Ohio

March 4, 2005