I own a Hyundai. When I purchased it I was told by the salesman that Hyundai is the only car manufacturer in the world that makes it's own steel and their steel is stronger than most others. I did some investigation into the matter and found that they use an advanced high-strength steel in their cars. Maybe this incident is a great advertisement for Hyundai.
Today's new generation of Hyundai models use a material in their vehicle structures called Advanced High Strength Steel, or AHSS.
Every production car starts life as rolls of steel, and not all are created equal. Hyundai wanted only the best, a material known as Advanced High Strength Steel. Generally speaking, AHSS is any steel that exceeds normal standards for tensile strength in terms of pressure and is usually measured in megapascals or MPa. Compared to regular mild steel, Hyundai's Advanced High Strength Steel has double the tensile strength compared to regular steel but is 10% lighter.
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