Patent ID: 11945053
Assignee: NIPPON STEEL CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A tailored blank configured to be formed into a product having an elongated top plate portion, a sidewall portion positioned at a side of the top plate portion, and a flange portion positioned at a side of the sidewall portion, the tailored blank comprising:
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:
a first steel sheet region that is:
configured by the first steel sheet, and
configured to be formed spanning part or all of the top plate portion in a length direction; and

a second steel sheet region that is:
configured by the second steel sheet, and
configured to be formed at the flange portion and to be joined by welding to another member,

wherein part or all of the first steel sheet region is positioned within the second steel sheet region, in a length direction of the tailored blank.