Nissan Structural Repair: Ultra-High-Tensile Steel in Modern Nissans

Nissan uses ultra-high-tensile steels, including 1.2-gigapascal grades, in key structural parts. Learn how that shapes structural repairs.

Stronger Steels in Nissan Bodies

Nissan has expanded its use of ultra-high-tensile steels, including grades around 1.2 gigapascals, to make vehicles lighter and stronger. These materials appear in pillars, roof rails and other critical structural parts.

What That Means for Repairs

Ultra-high-tensile steel cannot be treated like mild steel. It generally should not be heated or straightened, and Nissan specifies where it can be sectioned and how new parts are joined.

Joining Methods

  • Spot welding with equipment capable of joining high-strength steel
  • MIG brazing or plug welding where specified
  • Structural adhesives in some locations

Following the Procedure

Using the wrong method can change how the structure performs in a future crash. As a Nissan-certified collision center, we work from Nissan's structural repair information on every job.

Corrosion and Sealing

After structural work, seam sealer and corrosion protection are restored to factory standards.

Frequently Asked Questions

Why can't a bent pillar be straightened?

Ultra-high-tensile steel can lose strength when bent back.

Are structural repairs safe?

When done to Nissan's procedures, they are designed to restore factory performance.

Will a structural repair show on reports?

It may, depending on how the claim was reported.

See our structural repair page.

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