Hot-Stamping Parts in Vehicles

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    Stamping Parts(XINGHUI), also called press hardening, is a process used to form very thin, but also very strong metals into automotive parts to reduce weight while also increasing strength and safety. Metals actually transform from one material chemistry to another during the process, producing steel strengths of up to 2,000 megapascals(MPa). By performing the stamping while the steel is nearly molten, the process eliminates spring back and allows for the manufacture of complex geometries.

    Hot stamping once was a novice technology, used infrequently on very high-strength steels in specialty applications. If ever there were a doubt that the process would increase in use, the 2019 auto industry fleet of vehicles should put those doubts to rest. Hot-stamped, high-strength steel components and assemblies are pervasive in nearly all vehicles.

    Although hot stamping has been acknowledged as a resolver of forming problems such as spring back, the resulting extremely hard steel component brings with it a new set of challenges related to downstream processes. Steel producers and other OEMs shared recent innovations in steels and in the hot stamping process itself at the conference that temper some of these challenges and facilitate automotive manufacturing improvements.

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