EXHIBIT 25(B)
 
      ___________________________________________________________________

                      SECURITIES AND EXCHANGE COMMISSION
                           Washington, D. C.  20549
                           _________________________

                                   FORM  T-1

                           STATEMENT OF ELIGIBILITY
                   UNDER THE TRUST INDENTURE ACT OF 1939 OF
                  A CORPORATION DESIGNATED TO ACT AS TRUSTEE
                  ___________________________________________
              CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF
               A TRUSTEE PURSUANT TO SECTION 305(b)(2) ________
                   ________________________________________

                           THE CHASE MANHATTAN BANK
              (Exact name of trustee as specified in its charter)


NEW YORK                                                              13-4994650
(State of incorporation                                         (I.R.S. employer
if not a national bank)                                      identification No.)

270 PARK AVENUE
NEW YORK, NEW YORK                                                         10017
(Address of principal executive offices)                              (Zip Code)

                              William H. McDavid
                                General Counsel
                                270 Park Avenue
                           New York, New York 10017
                             Tel:  (212) 270-2611
           (Name, address and telephone number of agent for service)
                 ____________________________________________
                          ALUMINUM COMPANY OF AMERICA
              (Exact name of obligor as specified in its charter)

PENNSYLVANIA                                                          25-0317820
(State or other jurisdiction of                                 (I.R.S. employer
incorporation or organization)                               identification No.)

425 SIXTH AVENUE
PITTSBURGH, PENNSYLVANIA                                              15219-1850
(Address of principal executive offices)                              (Zip Code)

               _________________________________________________
                DEBT SECURITIES OF ALUMINUM COMPANY OF AMERICA
                      (Title of the indenture securities)
              ___________________________________________________

 
                                    GENERAL

Item 1.   General Information.

          Furnish the following information as to the trustee:

          (a)  Name and address of each examining or supervising authority to
which it is subject.
 
               New York State Banking Department, State House, Albany, New York
               12110.

               Board of Governors of the Federal Reserve System, Washington,
               D.C., 20551

               Federal Reserve Bank of New York, District No. 2, 33 Liberty
               Street, New York, N.Y.

               Federal Deposit Insurance Corporation, Washington, D.C., 20429.


          (b)  Whether it is authorized to exercise corporate trust powers.

               Yes.


Item 2.   Affiliations with the Obligor.

     If the obligor is an affiliate of the trustee, describe each such
affiliation.

     None.

 
Item 16.  List of Exhibits
 
     List below all exhibits filed as a part of this Statement of Eligibility.

     1.   A copy of the Articles of Association of the Trustee as now in effect,
including the  Organization Certificate and the Certificates of Amendment dated
February 17, 1969, August 31, 1977, December 31, 1980, September 9, 1982,
February 28, 1985, December 2, 1991 and July 10, 1996 (see Exhibit 1 to Form T-1
filed in connection with Registration Statement  No. 333-06249, which is
incorporated by reference).

     2.   A copy of the Certificate of Authority of the Trustee to Commence
Business (see Exhibit 2 to Form T-1 filed in connection with Registration
Statement No. 33-50010, which is incorporated by reference.  On July 14, 1996,
in connection with the merger of Chemical Bank and The Chase Manhattan Bank
(National Association), Chemical Bank, the surviving corporation, was renamed
The Chase Manhattan Bank).

     3.   None, authorization to exercise corporate trust powers being contained
in the documents identified above as Exhibits 1 and 2.

     4.   A copy of the existing By-Laws of the Trustee (see Exhibit 4 to Form
T-1 filed in connection with Registration Statement No. 333-06249, which is
incorporated by reference).

     5.   Not applicable.

     6.   The consent of the Trustee required by Section 321(b) of the Act (see
Exhibit 6 to Form T-1 filed in connection with Registration Statement No. 33-
50010, which is incorporated by reference. On July 14, 1996, in connection with
the merger of Chemical Bank and The Chase Manhattan Bank (National Association),
Chemical Bank, the surviving corporation, was renamed The Chase Manhattan Bank).

     7.   A copy of the latest report of condition of the Trustee, published
pursuant to law or the requirements of its supervising or examining authority.

     8.   Not applicable.

     9.   Not applicable.

                                   SIGNATURE

     Pursuant to the requirements of the Trust Indenture Act of 1939 the
Trustee, The Chase Manhattan Bank, a corporation organized and existing under
the laws of the State of New York, has duly caused this statement of eligibility
to be signed on its behalf by the undersigned, thereunto duly authorized, all in
the City of New York and State of New York, on the 10TH day of  JULY, 1998.

                              THE CHASE MANHATTAN BANK
 
                                   By /s/ Joanne Adamis
                                     ------------------------------
                                      Joanne Adamis
                                      Second Vice President

                                      -3-

 
                             Exhibit 7 to Form T-1


                               Bank Call Notice

                            RESERVE DISTRICT NO. 2
                      CONSOLIDATED REPORT OF CONDITION OF

                           The Chase Manhattan Bank
                 of 270 Park Avenue, New York, New York 10017
                    and Foreign and Domestic Subsidiaries,
                    a member of the Federal Reserve System,

            at the close of business March 31, 1998, in accordance
         with a call made by the Federal Reserve Bank of this District
            pursuant to the provisions of the Federal Reserve Act.

 
 
                                                                                        DOLLAR AMOUNTS
                     ASSETS                                                               IN MILLIONS
                                                                                        
Cash and balances due from depository institutions:
     Noninterest-bearing balances and
     currency and coin ..............................................................       $ 12,037
     Interest-bearing balances ......................................................          4,054
Securities: .........................................................................               
Held to maturity securities .........................................................          2,340
Available for sale securities .......................................................         50,134
Federal funds sold and securities purchased under agreements to resell ..............         24,982
Loans and lease financing receivables:                                                              
     Loans and leases, net of unearned income                                $127,958
     Less: Allowance for loan and lease losses                                  2,797
     Less: Allocated transfer risk reserve ............................             0
                                                                             --------
     Loans and leases, net of unearned income, allowance, and reserve ...............        125,161
Trading Assets ......................................................................         61,820
Premises and fixed assets (including capitalized leases).............................          2,961
Other real estate owned .............................................................            347
Investments in unconsolidated subsidiaries and associated companies .................            242
Customers' liability to this bank on acceptances outstanding ........................          1,380
Intangible assets ...................................................................          1,549
Other assets ........................................................................         11,727
                                                                                              ------
                                                                                                    
TOTAL ASSETS ........................................................................       $298,734
                                                                                             ======= 
 

                                      -4-

 
 
 
                                  LIABILITIES

Deposits
                                                                                            
     In domestic offices ................................................................   $  96,682
     Noninterest-bearing ...................................................    $  38,074
     Interest-bearing ......................................................       58,608
                                                                                   ------
     In foreign offices, Edge and Agreement, subsidiaries and IBF's .....................      72,630
     Noninterest-bearing ...................................................    $   3,289
     Interest-bearing ......................................................       69,341

Federal funds purchased and securities sold under agreements to repurchase ..............      42,735
Demand notes issued to the U.S. Treasury ................................................         872
Trading liabilities .....................................................................      45,545

Other borrowed money (includes mortgage indebtedness and obligations under 
     capitalized leases):
     With a remaining maturity of one year or less ......................................       4,454
     With a remaining maturity of more than one year 
            through three years .........................................................         231
     With a remaining maturity of more than three years..................................         106
Bank's liability on acceptances executed and outstanding                                        1,380
Subordinated notes and debentures .......................................................       5,708
Other liabilities .......................................................................      11,295

TOTAL LIABILITIES .......................................................................     281,638
                                                                                              -------

                                EQUITY CAPITAL

Perpetual preferred stock and related surplus                                                       0
Common stock ............................................................................       1,211
Surplus  (exclude all surplus related to preferred stock) ...............................      10,291
Undivided profits and capital reserves ..................................................       5,579
Net unrealized holding gains (losses)
on available-for-sale securities ........................................................          (1)
Cumulative foreign currency translation adjustments .....................................          16

TOTAL EQUITY CAPITAL ....................................................................      17,096
                                                                                            ---------
TOTAL LIABILITIES AND EQUITY CAPITAL ....................................................   $ 298,734
                                                                                            =========
 

I, Joseph L. Sclafani, E.V.P. & Controller of the above-named bank, do
hereby declare that this Report of Condition has been prepared in
conformance with the instructions issued by the appropriate Federal
regulatory authority and is true to the best of my knowledge and
belief.

                              JOSEPH L. SCLAFANI

We, the undersigned directors, attest to the correctness of this
Report of Condition and declare that it has been examined by us, and
to the best of our knowledge and belief has been prepared in
conformance with the instructions issued by the appropriate Federal
regulatory authority and is true and correct.

                                    WALTER V. SHIPLEY       )
                                    THOMAS G. LABRECQUE     ) DIRECTORS
                                    WILLIAM B. HARRISON, JR.)

                                      -5-