A tailored blank including a first steel sheet having a carbon content of 0.27 mass % or more, and a second steel sheet that is butt welded to the first steel sheet and that has a carbon content of 0.20 mass % or less, wherein the tailored blank includes an elongated future top plate portion, a future sidewall portion, and a future flange portion, a first steel sheet region that is configured by the first steel sheet is formed spanning part or all of a length direction of the future top plate portion, and a second steel sheet region that is configured by the second steel sheet is formed at the future flange portion to be joined by welding to another member, and wherein part or all of a length direction of the first steel sheet region is positioned within a length direction range of the second steel sheet region.
Tailored blank, tailored blank manufacturing method, stamped part, and stamped part manufacturing method
2024-04-02
Patent
Elektronische Ressource
Englisch
IPC: | B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B23K Löten , SOLDERING OR UNSOLDERING / B62D MOTOR VEHICLES , Motorfahrzeuge |
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