Steel member and steel sheet

JPWO2025263571A1Pending Publication Date: 2025-12-26

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Patent Information

Application Number: JP2026528860
Authority / Receiving Office: JP · JP
Patent Type: Applications
Priority Date: 2024-06-21
Filing Date: 2025-06-19
Publication Date: 2025-12-26

Application Information

Patent Timeline

21 Jun 2024

Priority

19 Jun 2025

Application

JP2026528860

26 Dec 2025

Publication

JPWO2025263571A1

CPC: C22C38/00; C21D9/00; C21D9/46; C21D1/18; C22C38/60

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Abstract

This steel sheet and this steel member have a predetermined chemical composition, wherein, at a quarter depth position, the number density of a group consisting of two or more Ti, Nb-based precipitates having an equivalent circle diameter of 1 μm or more and a shortest distance of 15 μm or less is 10.0 / mm2 or less.

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