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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 December 31, 1999                                   File Number 31-258080






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

                          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

         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)      Statements of Net Assets available for Plan Benefits  -
                     December 31, 1999 and August 31, 1999;

         (b)      Statement of Changes in Net Assets available for Plan Benefits
                     -  four months ended December 31, 1999;

         (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
                                                   ---------------------------
                                                   Douglas D. Watts
                                                   Authorized Committee Member
                                                   Dated  June 29, 2000




                                    EXHIBITS

         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 at  December  31,  1999 and August 31, 1999 and for the
                  four months ended December 31, 1999