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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 11-K


                 [X] ANNUAL REPORT PURSUANT TO SECTION 15(D) OF
                       THE SECURITIES EXCHANGE ACT OF 1934



For the Fiscal Year                                          Commission
Ended August 31, 1998                                    File Number 31-258080
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                          AMCAST INDUSTRIAL CORPORATION
                          401 (k) SALARY DEFERRAL PLAN
                     FOR BARGAINING UNIT EMPLOYEES - PLAN 2
                                 (Name of Plan)
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                          AMCAST INDUSTRIAL CORPORATION
                          7887 Washington Village Drive
                               Dayton, Ohio 45459
                                 (937) 291-7000

     (Name of Issuer of Securities held pursuant to Plan and address of its
                          principal executive office.)

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                              REQUIRED INFORMATION
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         The Amcast Industrial Corporation 401(k) Salary Deferral Plan for
Bargaining Unit Employees - Plan 2 (the "Plan") is subject to the Employee
Retirement Income Security Act of 1974.


         ITEM 4. In lieu of the requirements of Items 1, 2 and 3 of this Form
11-K, the following financial statements of the Plan, notes thereto, and Report
of Independent Auditors thereon are being filed as Exhibit 99.1 to this Report:

         (a) Statement of Net Assets available for Plan Benefits - August 31,
             1998;

         (b) Statement of Changes in Net Assets available for Plan Benefits -
             year ended August 31, 1998;

         (c) Notes to Financial Statements; and

         (d) Report of Independent Auditors.

         The Consent of Independent Auditors to the incorporation by reference
of the foregoing financial statements in the Registration Statement on Form S-8
pertaining to the Plan is being filed as Exhibit 23.1 to this Report.

                                   SIGNATURES
                                   ----------

         THE PLAN. Pursuant to the requirements of the Securities Exchange Act
of 1934, the Pension Committee of Amcast Industrial Corporation which
administers the Amcast Industrial Corporation 401(k) Salary Deferral Plan for
Bargaining Unit Employees - Plan 2 has duly caused this annual report to be
signed on its behalf by the undersigned hereunto duly authorized.

                                           AMCAST INDUSTRIAL CORPORATION
                                           401(k) SALARY DEFERRAL PLAN
                                           FOR BARGAINING UNIT EMPLOYEES -
                                           PLAN 2

                                           By: /s/ DOUGLAS D. WATTS
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                                               Douglas D. Watts
                                               Authorized Committee Member
                                               Dated:   October 22, 1999

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                                    EXHIBITS
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         The following Exhibits are being filed with this Annual Report on Form
11-K:


  (23)   CONSENT OF EXPERTS AND COUNSEL:

         23.1  Consent of Ernst & Young LLP

  (99)   ADDITIONAL EXHIBITS

         99.1  Annual Financial Statements of Amcast Industrial Corporation
               401(k) Salary Deferral Plan for Bargaining Unit Employees - Plan
               2 for the year ended August 31, 1998


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