Mild Steel
| Mild Steel |
This information provides repair recommendations and general guidelines for steel classified as Mild Steel. This type of steel normally has a tensile strength less than 270 MPa. This includes the common steel names of:
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Mild Steel
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Bake Hardenable Steel (BH)
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Solid Solution Strengthened Steel
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General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Recommended Repair:
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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.
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Controlled use of heat can be used to repair damage, if the heat does not exceed 650°C (1200°F). The heat should be applied a maximum of 2 times, for up to 90 seconds.
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Sectioning or partial replacement of this type of steel is recommended only at approved locations, in a specific sectioning procedure.
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This type of steel can be used as a sleeve, or backer plate, when recommended in a specific sectioning procedure.
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Squeeze Resistance Spot Welding can be used to replace factory spot welds, where applicable
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MIG plug welding and MIG stitch welding can be used on this type of steel.
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MIG Brazing can be used on this type of steel.
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