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US 2025/0059635 A1Published application
Arc weld metal, welded joint, and vehicle member
AssigneeNippon Steel Corporation
InventorsKazuki MATSUDA, Shinji KODAMA, Masahiro MATSUBA, Yoshinari ISHIDA
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Abstract
An arc weld metal according to an aspect of the present invention contains, in a unit mass %, 0.10% or more and 0.30% or less of C, 0.30% or more and 1.00% or less of Si, 1.30% or more and 3.00% or less of Mn, 0.0500% or less of P, 0.0100% or less of S, 0.01% or less of N, and 0.02% or more and 0.07% or less of O, a remainder including iron and impurities, and the residual austenite volume percentage being 3.0% or more and 16.0% or less, in a unit mass %.
Claims20
An arc weld metal comprising, in mass %:
- 0.10% or more and 0.30% or less of C;
- 0.30% or more and 1.00% or less of Si;
- 1.30% or more and 3.00% or less of Mn;
- 0.0500% or less of P;
- 0.0100% or less of S;
- 0.0100% or less of N;
- 0.0200% or more and 0.0700% or less of O;
- and
- 5.00% or less in total of one or more of Al, Ti, Cu, Ni, Cr, Mo, V, B, Nb, Zr, and Mg,
- a remainder including iron and impurities, wherein
- a residual austenite volume percentage is 3.0% or more and 16.0% or less.
8 more elements
Dependencies are inferred from the claim text.