EXHIBIT 24 POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ James F. Will ------------------------ James F. Will Chairman, President and Chief Executive Officer POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ Jerry W. Albright ----------------------------- Jerry W. Albright Vice President and Chief Financial Officer POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ John N. Davis --------------------------- John N. Davis Vice President and Controller POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ Paula H.J. Cholmondeley --------------------------------- Paula H.J. Cholmondeley Director POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ David A. Duke ------------------------ David A. Duke Director POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ Dorothea C. Gilliam ----------------------------- Dorothea C. Gilliam Director POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ John C. Haley -------------------------- John C. Haley Director POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ Bruce E. Robbins ------------------------------ Bruce E. Robbins Director POWER OF ATTORNEY ARMCO INC. The undersigned, in each of my capacities with Armco Inc., an Ohio corporation, which anticipates filing with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Act of 1933, as amended, one or more Registration Statements on Form S-4 relating to the exchange of its 9% Senior Notes due 2007 for registered notes of like tenor, hereby constitutes and appoints Gary R. Hildreth and James L. Bertsch, and each of them individually, with full power of substitution and resubstitution, as attorneys or attorney to sign for the undersigned in my name said Registration Statements and any and all amendments thereto (including post-effective amendments), and to file with the Securities and Exchange Commission the same, with all exhibits thereto, and any and all applications or other documents to be filed with the Securities and Exchange Commission pertaining thereto, with full power and authority to do and perform any and all acts and things whatsoever required and necessary to be done in the premises, as fully to all intents and purposes as the undersigned could do if personally present, hereby ratifying and approving the acts of said attorneys and any of them and of any such substitute. Executed this 26th day of September, 1997. /s/ John D. Turner ---------------------------- John D. Turner Director