SCHNITZER STEEL INDUSTRIES, INC. Consent of Independent Accountants We hereby consent to the incorporation by reference in the registration statement of Schnitzer Steel Industries, Inc. on Form S-8 (File No. 33-87008) our report dated March 18, 1996 which appears on page 60 of the Proler International Corp. Annual Report on Form 10-K for the year ended January 31, 1996. We also consent to the incorporation by reference of such report in the Current Report on Form 8-K/A of Schnitzer Steel industries, Inc. dated February 11, 1997 reporting its acquisition of Proler International Corp. /s/ La Guardia & Petrella, L.L.C. La Guardia & Petrella, L.L.C. February 10, 1997 Fort Lee, New Jersey SCHNITZER STEEL INDUSTRIES, INC. Consent of Independent Accountants We consent to the incorporation by reference in the registration statement of Schnitzer Steel Industries, Inc. on Form S-8 (File No. 33-87008) our report dated February 26, 1996 which appears on page 61 of the Proler International Corp. Annual Report on Form 10-K for the year ended January 31, 1996. We also consent to the incorporation by reference of such report in the Current Report on form 8-K/A of Schnitzer Steel Industries, Inc. dated February 11, 1997 reporting its acquisition of Proler International Corp. /s/ La Guardia & Petrella, L.L.C. La Guardia & Petrella, L.L.C. February 10, 1997 Fort Lee, New Jersey