Tesla Model 3 Body Structure

Body Structure

Tesla uses three different grades of steel, from mild steel used on the outer body structure where it’s designed to absorb initial impacts, and high-strength, to ultra high-strength used in the vehicle’s core. For instance, the A-pillar and B-pillar (noted in red on the graphic) is made from ultra high-strength steel. The front frame rail of the Model 3 is a composition between high-strength and ultra high-strength steel, and serves as the main support for the front “crumple zone”.

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