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Manufacturer: JFE Steel

Product page: (external link)

Product Sector: Transportation → Automotive → Steel



Because complex deformation modes including stretch-forming, burring and other types of stretchflange forming are frequently used in press-forming underbody parts such as the suspension and chassis, a sufficient balance of elongation and the hole-expansion ratio is required in high strength hot-rolled steel sheets.

To realize these properties, JFE Steel began development of a TS780 MPa grade high strength hot-rolled steel sheet based on a new metallurgical concept, and succeeded in developing and commercializing a new sheet with unique properties: 'NANOHITEN', a new precipitation-hardened high strength hot-rolled steel sheet in which precipitates are refined to a size of several nanometers, giving the material an excellent balance of elongation and the hole-expansion ratio.

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