EXHIBIT 23 CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS We consent to the incorporation by reference in (i) the Registration Statement (Form S-8 No. 33-73550) pertaining to the 1993 Equity Incentive Plan of Wolverine Tube, Inc.; (ii) the Registration Statement (Form S-8 No. 33-73490) pertaining to the 1993 Stock Option Plan for Outside Directors of Wolverine Tube, Inc.; (iii) the Registration Statement (Form S-8 No. 33-87687) pertaining to the Savings Plan of Wolverine Tube, Inc.; (iv) the Registration Statement (Form S-8 No. 333-67958) pertaining to the 1993 Equity Incentive Plan of Wolverine Tube, Inc.; (v) the Registration Statement (Form S-8 No. 333-67968) pertaining to the 1993 Stock Option Plan for Outside Directors of Wolverine Tube, Inc.; and (vi) the Registration Statement (Form S-8 No. 333-67972) pertaining to the 2001 Stock Option Plan for Outside Directors of Wolverine Tube, Inc. of our report dated February 14, 2003 with respect to the consolidated financial statements and schedule of Wolverine Tube, Inc., included in the Annual Report (Form 10-K) for the year ended December 31, 2002. /s/ Ernst & Young LLP March 27, 2003 Birmingham, Alabama