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Ultra High Strength Dual Phase Steel

This information provides repair recommendations and general guidelines for steel classified as Ultra High Strength Dual Phase Steel (Dual Phase Steel with a tensile strength greater than 800 MPa), also known as DPX.

General Motors recommends the following when repairing or replacing this type of steel during collision repair.

Note : 

   • Repair of this type of steel is not recommended.
   • This type of steel should be replaced at factory joints only. Sectioning or partial replacement is not recommended.
   • The use of heat to repair damage is not recommended for this type of steel.
   • Stitch Welding is not recommended for this type of steel.
   • This classification of steel can not be used as a backing reinforcement or a sleeve for a sectioning joint, unless a specific procedure is available.

Recommended Repairs:

    • Squeeze Resistance Spot Welding can be used to replace factory spot welds, where applicable.
    • MIG plug welding can be used to replace factory spot welds.
    • MIG Brazing can be used to replace factory spot welds.
   


© Copyright Chevrolet. All rights reserved
   


© Copyright Chevrolet. All rights reserved