POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below severally constitutes and appoints Neil S. Novich, Jay M. Gratz and Joyce E. Mims (with full power to each of them to act alone), as such person’s true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person’s name, place and stead, in any and all capacities to do any and all things and execute any and all instruments that such attorney may deem necessary or advisable under the Securities Act of 1933 (the “Securities Act”), and any rules, regulations and requirements of the Securities and Exchange Commission (the “Commission”) in connection with the registration under the Securities Act of the Common Stock of Ryerson Tull, Inc. (the “Securities”) to be offered under one or more registration statements on Form S-3 (the “Registration Statement”) and any Blue Sky laws or other securities laws of any of the states of the United States of America in order to effect the registration or qualification (or exemption therefrom) of the said Securities for issue, offer, sale or trade under the Blue Sky or other securities laws of any of such states and in connection therewith to execute, acknowledge, verify, deliver, file and cause to be published applications, reports, consents to service of process, appointments of attorneys to receive service of process and other papers and instruments which may be required under such laws, including specifically, but without limiting the generality of the foregoing, the power and authority to sign such person’s name in such person’s capacity as an officer or director in the United States or in any other capacity with respect to the Registration Statement and any registration statement in respect of the Securities that is to be effective upon filing pursuant to Rule 462(b) (collectively, the “Registration Statement”) and/or such other form or forms as may be appropriate to be filed with the Commission or under or in connection with any Blue Sky laws or other securities laws of any state of the United States of America or with such other regulatory bodies and agencies as any of them may deem appropriate in respect of the Securities, and with respect to any and all amendments, including post-effective amendments, to the Registration Statement and to any and all instruments and documents filed as part of or in connection with the Registration Statement.

Dated this 23rd day of December, 2004.

/S/    JAMESON A. BAXTER        

Signature

Jameson A. Baxter

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below severally constitutes and appoints Neil S. Novich, Jay M. Gratz and Joyce E. Mims (with full power to each of them to act alone), as such person’s true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person’s name, place and stead, in any and all capacities to do any and all things and execute any and all instruments that such attorney may deem necessary or advisable under the Securities Act of 1933 (the “Securities Act”), and any rules, regulations and requirements of the Securities and Exchange Commission (the “Commission”) in connection with the registration under the Securities Act of the Common Stock of Ryerson Tull, Inc. (the “Securities”) to be offered under one or more registration statements on Form S-3 (the “Registration Statement”) and any Blue Sky laws or other securities laws of any of the states of the United States of America in order to effect the registration or qualification (or exemption therefrom) of the said Securities for issue, offer, sale or trade under the Blue Sky or other securities laws of any of such states and in connection therewith to execute, acknowledge, verify, deliver, file and cause to be published applications, reports, consents to service of process, appointments of attorneys to receive service of process and other papers and instruments which may be required under such laws, including specifically, but without limiting the generality of the foregoing, the power and authority to sign such person’s name in such person’s capacity as an officer or director in the United States or in any other capacity with respect to the Registration Statement and any registration statement in respect of the Securities that is to be effective upon filing pursuant to Rule 462(b) (collectively, the “Registration Statement”) and/or such other form or forms as may be appropriate to be filed with the Commission or under or in connection with any Blue Sky laws or other securities laws of any state of the United States of America or with such other regulatory bodies and agencies as any of them may deem appropriate in respect of the Securities, and with respect to any and all amendments, including post-effective amendments, to the Registration Statement and to any and all instruments and documents filed as part of or in connection with the Registration Statement.

Dated this 23rd day of December, 2004.

/S/    RICHARD G. CLINE         

Signature

Richard G. Cline

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below severally constitutes and appoints Neil S. Novich, Jay M. Gratz and Joyce E. Mims (with full power to each of them to act alone), as such person’s true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person’s name, place and stead, in any and all capacities to do any and all things and execute any and all instruments that such attorney may deem necessary or advisable under the Securities Act of 1933 (the “Securities Act”), and any rules, regulations and requirements of the Securities and Exchange Commission (the “Commission”) in connection with the registration under the Securities Act of the Common Stock of Ryerson Tull, Inc. (the “Securities”) to be offered under one or more registration statements on Form S-3 (the “Registration Statement”) and any Blue Sky laws or other securities laws of any of the states of the United States of America in order to effect the registration or qualification (or exemption therefrom) of the said Securities for issue, offer, sale or trade under the Blue Sky or other securities laws of any of such states and in connection therewith to execute, acknowledge, verify, deliver, file and cause to be published applications, reports, consents to service of process, appointments of attorneys to receive service of process and other papers and instruments which may be required under such laws, including specifically, but without limiting the generality of the foregoing, the power and authority to sign such person’s name in such person’s capacity as an officer or director in the United States or in any other capacity with respect to the Registration Statement and any registration statement in respect of the Securities that is to be effective upon filing pursuant to Rule 462(b) (collectively, the “Registration Statement”) and/or such other form or forms as may be appropriate to be filed with the Commission or under or in connection with any Blue Sky laws or other securities laws of any state of the United States of America or with such other regulatory bodies and agencies as any of them may deem appropriate in respect of the Securities, and with respect to any and all amendments, including post-effective amendments, to the Registration Statement and to any and all instruments and documents filed as part of or in connection with the Registration Statement.

Dated this 23rd day of December, 2004.

/S/    RUSSELL M. FLAUM         

Signature

Russell M. Flaum

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below severally constitutes and appoints Neil S. Novich, Jay M. Gratz and Joyce E. Mims (with full power to each of them to act alone), as such person’s true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person’s name, place and stead, in any and all capacities to do any and all things and execute any and all instruments that such attorney may deem necessary or advisable under the Securities Act of 1933 (the “Securities Act”), and any rules, regulations and requirements of the Securities and Exchange Commission (the “Commission”) in connection with the registration under the Securities Act of the Common Stock of Ryerson Tull, Inc. (the “Securities”) to be offered under one or more registration statements on Form S-3 (the “Registration Statement”) and any Blue Sky laws or other securities laws of any of the states of the United States of America in order to effect the registration or qualification (or exemption therefrom) of the said Securities for issue, offer, sale or trade under the Blue Sky or other securities laws of any of such states and in connection therewith to execute, acknowledge, verify, deliver, file and cause to be published applications, reports, consents to service of process, appointments of attorneys to receive service of process and other papers and instruments which may be required under such laws, including specifically, but without limiting the generality of the foregoing, the power and authority to sign such person’s name in such person’s capacity as an officer or director in the United States or in any other capacity with respect to the Registration Statement and any registration statement in respect of the Securities that is to be effective upon filing pursuant to Rule 462(b) (collectively, the “Registration Statement”) and/or such other form or forms as may be appropriate to be filed with the Commission or under or in connection with any Blue Sky laws or other securities laws of any state of the United States of America or with such other regulatory bodies and agencies as any of them may deem appropriate in respect of the Securities, and with respect to any and all amendments, including post-effective amendments, to the Registration Statement and to any and all instruments and documents filed as part of or in connection with the Registration Statement.

Dated this 23rd day of December, 2004.

/S/    JAMES A. HENDERSON         

Signature

James A. Henderson

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below severally constitutes and appoints Neil S. Novich, Jay M. Gratz and Joyce E. Mims (with full power to each of them to act alone), as such person’s true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person’s name, place and stead, in any and all capacities to do any and all things and execute any and all instruments that such attorney may deem necessary or advisable under the Securities Act of 1933 (the “Securities Act”), and any rules, regulations and requirements of the Securities and Exchange Commission (the “Commission”) in connection with the registration under the Securities Act of the Common Stock of Ryerson Tull, Inc. (the “Securities”) to be offered under one or more registration statements on Form S-3 (the “Registration Statement”) and any Blue Sky laws or other securities laws of any of the states of the United States of America in order to effect the registration or qualification (or exemption therefrom) of the said Securities for issue, offer, sale or trade under the Blue Sky or other securities laws of any of such states and in connection therewith to execute, acknowledge, verify, deliver, file and cause to be published applications, reports, consents to service of process, appointments of attorneys to receive service of process and other papers and instruments which may be required under such laws, including specifically, but without limiting the generality of the foregoing, the power and authority to sign such person’s name in such person’s capacity as an officer or director in the United States or in any other capacity with respect to the Registration Statement and any registration statement in respect of the Securities that is to be effective upon filing pursuant to Rule 462(b) (collectively, the “Registration Statement”) and/or such other form or forms as may be appropriate to be filed with the Commission or under or in connection with any Blue Sky laws or other securities laws of any state of the United States of America or with such other regulatory bodies and agencies as any of them may deem appropriate in respect of the Securities, and with respect to any and all amendments, including post-effective amendments, to the Registration Statement and to any and all instruments and documents filed as part of or in connection with the Registration Statement.

Dated this 23rd day of December, 2004.

/S/    GREGORY P. JOSEFOWICZ         

Signature

Gregory P. Josefowicz

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below severally constitutes and appoints Neil S. Novich, Jay M. Gratz and Joyce E. Mims (with full power to each of them to act alone), as such person’s true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person’s name, place and stead, in any and all capacities to do any and all things and execute any and all instruments that such attorney may deem necessary or advisable under the Securities Act of 1933 (the “Securities Act”), and any rules, regulations and requirements of the Securities and Exchange Commission (the “Commission”) in connection with the registration under the Securities Act of the Common Stock of Ryerson Tull, Inc. (the “Securities”) to be offered under one or more registration statements on Form S-3 (the “Registration Statement”) and any Blue Sky laws or other securities laws of any of the states of the United States of America in order to effect the registration or qualification (or exemption therefrom) of the said Securities for issue, offer, sale or trade under the Blue Sky or other securities laws of any of such states and in connection therewith to execute, acknowledge, verify, deliver, file and cause to be published applications, reports, consents to service of process, appointments of attorneys to receive service of process and other papers and instruments which may be required under such laws, including specifically, but without limiting the generality of the foregoing, the power and authority to sign such person’s name in such person’s capacity as an officer or director in the United States or in any other capacity with respect to the Registration Statement and any registration statement in respect of the Securities that is to be effective upon filing pursuant to Rule 462(b) (collectively, the “Registration Statement”) and/or such other form or forms as may be appropriate to be filed with the Commission or under or in connection with any Blue Sky laws or other securities laws of any state of the United States of America or with such other regulatory bodies and agencies as any of them may deem appropriate in respect of the Securities, and with respect to any and all amendments, including post-effective amendments, to the Registration Statement and to any and all instruments and documents filed as part of or in connection with the Registration Statement.

Dated this 23rd day of December, 2004.

/S/    MARTHA MILLER DE LOMBERA         

Signature

Martha Miller de Lombera

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below severally constitutes and appoints Neil S. Novich, Jay M. Gratz and Joyce E. Mims (with full power to each of them to act alone), as such person’s true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person’s name, place and stead, in any and all capacities to do any and all things and execute any and all instruments that such attorney may deem necessary or advisable under the Securities Act of 1933 (the “Securities Act”), and any rules, regulations and requirements of the Securities and Exchange Commission (the “Commission”) in connection with the registration under the Securities Act of the Common Stock of Ryerson Tull, Inc. (the “Securities”) to be offered under one or more registration statements on Form S-3 (the “Registration Statement”) and any Blue Sky laws or other securities laws of any of the states of the United States of America in order to effect the registration or qualification (or exemption therefrom) of the said Securities for issue, offer, sale or trade under the Blue Sky or other securities laws of any of such states and in connection therewith to execute, acknowledge, verify, deliver, file and cause to be published applications, reports, consents to service of process, appointments of attorneys to receive service of process and other papers and instruments which may be required under such laws, including specifically, but without limiting the generality of the foregoing, the power and authority to sign such person’s name in such person’s capacity as an officer or director in the United States or in any other capacity with respect to the Registration Statement and any registration statement in respect of the Securities that is to be effective upon filing pursuant to Rule 462(b) (collectively, the “Registration Statement”) and/or such other form or forms as may be appropriate to be filed with the Commission or under or in connection with any Blue Sky laws or other securities laws of any state of the United States of America or with such other regulatory bodies and agencies as any of them may deem appropriate in respect of the Securities, and with respect to any and all amendments, including post-effective amendments, to the Registration Statement and to any and all instruments and documents filed as part of or in connection with the Registration Statement.

Dated this 23rd day of December, 2004.

/S/    JERRY K. PEARLMAN         

Signature

Jerry K. Pearlman

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below severally constitutes and appoints Neil S. Novich, Jay M. Gratz and Joyce E. Mims (with full power to each of them to act alone), as such person’s true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person’s name, place and stead, in any and all capacities to do any and all things and execute any and all instruments that such attorney may deem necessary or advisable under the Securities Act of 1933 (the “Securities Act”), and any rules, regulations and requirements of the Securities and Exchange Commission (the “Commission”) in connection with the registration under the Securities Act of the Common Stock of Ryerson Tull, Inc. (the “Securities”) to be offered under one or more registration statements on Form S-3 (the “Registration Statement”) and any Blue Sky laws or other securities laws of any of the states of the United States of America in order to effect the registration or qualification (or exemption therefrom) of the said Securities for issue, offer, sale or trade under the Blue Sky or other securities laws of any of such states and in connection therewith to execute, acknowledge, verify, deliver, file and cause to be published applications, reports, consents to service of process, appointments of attorneys to receive service of process and other papers and instruments which may be required under such laws, including specifically, but without limiting the generality of the foregoing, the power and authority to sign such person’s name in such person’s capacity as an officer or director in the United States or in any other capacity with respect to the Registration Statement and any registration statement in respect of the Securities that is to be effective upon filing pursuant to Rule 462(b) (collectively, the “Registration Statement”) and/or such other form or forms as may be appropriate to be filed with the Commission or under or in connection with any Blue Sky laws or other securities laws of any state of the United States of America or with such other regulatory bodies and agencies as any of them may deem appropriate in respect of the Securities, and with respect to any and all amendments, including post-effective amendments, to the Registration Statement and to any and all instruments and documents filed as part of or in connection with the Registration Statement.

Dated this 23rd day of December, 2004.

/S/    ANRÉ D. WILLIAMS        

Signature

Anré D. Williams