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SSAB introduces more AHSS for use in automotive chassis


SSAB has extended its Docol portfolio of automotive steel with the introduction of new grades of hot-rolled, advanced high-strength steel (AHSS). These latest grades have been deployed to allow the development of new, innovative chassis components.

SSAB’s Docol can now be used to bring increased strength to automotive components like torsion beams, control arms and chassis. The steelmaker also says it provides auto manufacturers with an optimized microstructure that delivers excellent fatigue properties as well as easy forming of complex designs.

Docol hot-rolled AHSS products are available in thicknesses ranging from 2.0 up to 6.0 mm, which allows chassis components to benefit fully from the unique characteristics of the steel. It is also available in strength levels up to 1,200 MPa, which is four times higher than high strength aluminium.

“In addition to a wide thickness range, Docol hot-rolled AHSS makes it possible to drastically increase the tensile strength in a component, while reducing the amount of material needed to produce it. This can result in a significant reduction in weight while achieving the same performance and a lower cost, thanks to less material needed overall,” said Daniel Sund, product manager Hot-Rolled Products, SSAB, talking about the benefits of Docol.

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