CQI-9-4 Special Process: Heat Treat System Assessment

The CQI-9 4th Edition is a comprehensive audit covering the most common heat treat processes employed by the automotive industry. Intended to provide a common approach to a heat treat management system for automotive production and service part organizations, the 4th edition now includes additional best practices, along with new and modified requirements and clarifications for supply organizations to consider in making their own self-assessments.

Published AIAG standards and CQI standrads