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AFS Standard - Reduced Pressure Test

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    Product No. STD2501DL

    This standard prepared by the AFS Aluminum & Light Metals Division, documents critical details and best practice procedure for reduced pressure testing (RPT) of aluminum melts for evaluating insoluble gas content and other impurities. The standard addresses both atmospheric (true) and relative pressure testing methodologies and helps identify to resolve potential and observed missteps in device maintenance, pressure limits, system checks, timing and other items to ensure an optimized and repeatable evaluation.

    Casting users, students, process engineers, foundry metallurgists, QA lab technicians and other foundry staff and management will benefit from this standard.

    TABLE OF CONTENTS

    1. Date Submitted
    2. Date Approved
    3. Division Sponsor
    4. Significance and Use
    5. Technical Background
    6. Suggested Practice
    7. Cautions in Use
    8. References

    Keywords: Standard, Reduced Pressure Test, RPT, Straube-Pfeiffer Test, Vacuum Solidification Test, Gas Test, Aluminum Melt Testing