Patent · US Active

Iron-manganese alloy having improved weldability

US12173388B2 · kind B2 · utility

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20Claims

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Assignee

APERAM · LU

Inventors

Pierre-Louis Reydet · Gimouille, FR
Marielle ESCOT · Saint-Léger-des-Vignes, FR
Nicolas Laurain · Saint-Remy, FR

Key dates

Filing date	Jan 22, 2019
Grant date	Dec 24, 2024
Priority date	—
Expiry date	Nov 4, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC21D2211/001
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Disclosed is an iron-manganese alloy including, by weight: 25.0%≤Mn≤32.0%; 7.0%≤Cr≤14.0%; 0≤Ni≤2.5%; 0.05%≤N≤0.30%; 0.1≤Si≤0.5%; and optionally 0.010%≤rare earths≤0.14%. The remainder being iron and residual elements resulting from manufacturing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.