CQI-15 is the AIAG special process assessment standard for welding systems used in the automotive industry.
It evaluates welding processes, equipment, controls, personnel competency, and quality management practices. The assessment helps organizations maintain consistent weld quality and meet OEM requirements.

| Process Stage |
|---|
| Raw Material |
| Melting |
| Pouring |
| Cooling |
| Inspection |
| Key Control |
|---|
| Chemical composition |
| Temperature control |
| Process monitoring |
| Solidification control |
| Defect detection |
| Process Stage | Key Focus |
|---|---|
| Material Preparation | Material condition and traceability |
| Welding Operations | Welding parameters and process control |
| Equipment Management | Machine calibration and maintenance |
| Inspection & Testing | Visual and destructive testing |
| Personnel Competency | Qualification and skill verification |
