High Strength Low Alloy Steel
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High Strength Low Alloy Steel
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This information provides repair recommendations and general guidelines for steel classified as High Strength Low Alloy Steel, also known as HSLA. This type of steel normally has a tensile strength range from 300-700 MPa.
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Recommended Repairs
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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, during sectioning procedures.
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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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