CQI-9 Heat Treat System Assessment
Ensuring Consistent Metallurgical Performance Through Effective Heat Treatment Control
What is CQI-9
CQI-9 is the AIAG special process assessment standard for heat treatment systems used in the automotive industry.
The assessment focuses on furnace operations, process control, pyrometry, equipment capability, and metallurgical verification. It helps organizations ensure that heat-treated components consistently meet customer and engineering requirements.
WHY CQI-9 IS IMPORTANT
Heat treatment directly influences the strength, hardness, wear resistance, and durability of critical components. Even minor variations in temperature, atmosphere, or cycle time can impact final product performance. CQI-9 helps organizations maintain process discipline, reduce quality risks, and improve confidence in heat-treated products.
Ensures Metallurgical Consistency
Strengthens Furnace Control
Reduces Product Failures
Supports Customer Compliance
PROCESS COVERAGE
| Process Stage |
|---|
| Raw Material |
| Melting |
| Pouring |
| Cooling |
| Inspection |
| Key Control |
|---|
| Chemical composition |
| Temperature control |
| Process monitoring |
| Solidification control |
| Defect detection |
Furnace Operations
Temperature and cycle control.
Pyrometry Systems
TUS and SAT compliance.
Quenching Systems
Cooling process management.
Metallurgical Verification
Hardness and microstructure checks.
PROCESS TABLE COVERED
| Assessment Area | Key Focus |
|---|---|
| Furnace Control | Temperature accuracy and uniformity |
| Pyrometry | TUS, SAT and calibration compliance |
| Quenching Systems | Cooling media and process control |
| Metallurgical Testing | Hardness, case depth and microstructure |
| Process Documentation | Traceability and record management |
WHY US
Trusted by Automotive OEMs & Tier 1 Suppliers
25+ years experience experts
Podcasting operational change management inside of workflow.
OEM audit exposure
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Tata Motors approved
Pursue scalable customer service through sustainable potentialities.
1000+ audits
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Get CQI-9 Audit Readiness Score
Identify process gaps before your next customer or OEM audit. Strengthen furnace controls, improve process consistency,
and enhance compliance with GMC's CQI-9 assessment expertise.
and enhance compliance with GMC's CQI-9 assessment expertise.