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Press hardenable steels (PHS)

Press hardenable steels (PHS) offer ultra high strength and the ability to be formed into complex shapes. This makes them ideal for hot stamping processes and enables OEMs to achieve excellent weight reductions across the vehicle.


Product range

ArcelorMittal’s PHS offer includes:

  • Usibor® for critical parts where strength is key
  • Ductibor® for optimized ductility and strength


Although Usibor® and Ductibor® can be used separately to form monolithic parts, the two steels are designed to be combined into a single laser welded blank (LWB). The LWBs created from this combination offer significant advantages including:

  • Weight savings
  • Improved crash behavior
  • Cost savings through material and manufacturing optimization

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