Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We have issued our report dated December 4, 2007 with respect to the consolidated financial
statements and schedule of SIFCO Industries, Inc. included in the Annual Report and Form 10-K for
the year ended September 30, 2007, which are incorporated by reference in this Registration
Statement. We consent to the incorporation by reference in the Registration Statement of the
aforementioned report.
/s/ Grant Thornton LLP
Grant Thornton LLP
Cleveland, Ohio
May 16, 2008
3