Dual Phase Steel
This information provides repair recommendations and general guidelines for steel classified as Dual Phase Steel (Dual Phase Steel with a tensile strength up to and including 800 MPa), also known as DP.
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Note : The use of heat to repair damage is not recommended for this classification of steel.
Recommended Repairs
| • | Cold repairs can be performed on this type of steel, unless the damage includes kinks. If the damage includes kinks, the part should be replaced. |
| • | Sectioning or partial replacement of this type of steel is recommended only at approved locations, in a specific sectioning procedure. |
| • | This type of steel can be used as a sleeve, or backer plate, when recommended in a specific sectioning procedure. |
| • | Squeeze Resistance Spot Welding can be used to replace factory spot welds, where applicable. |
| • | MIG plug welding and MIG stitch welding can be used on this type of steel. |
| • | MIG Brazing can be used on this type of steel. |
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