OEM Steel Heating Recommendations for Collision Repair
Only cold straightening should be used in collision repair unless steel identification and heating guidelines are available from the vehicle manufacturer. Unless the vehicle manufacturer specifically states otherwise, only use heat for straightening and stress relieving HSS and UHSS components when the affected components will be replaced.
The following list provides vehicle manufacturers’ recommendations for using heat in collision repair.
Acura, Audi, BMW, Honda, Hyundai, Kia, Lexus, Mazda, Mercedes-Benz, Porsche, Suzuki, Toyota, Volkswagen, Volvo
|Do not apply heat|
Do not heat over 650°C (1,200°F)
|General Motors||Do not heat over 650°C (1,200°F)|
Do not apply heat for more than 90 seconds per application.
Do not apply more than two applications of heat.
Repair Recommendations for HSLA Steel
Steel Descriptions and Reparability Matrix
|Nissan & Infiniti||Do not heat over 550°C (1,020°F)|
Avoid using heat whenever possible
Precautions in Repairing High Strength Steel
|Saab||Do not heat over 650°C (1,200°F)|