Method for manufacturing austenite-ferrite stainless steel with improved machinability

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United States of America Patent

PATENT NO 9797025
SERIAL NO

15409348

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Abstract

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A method for manufacturing a plate, a band, or a coil of hot-rolled steel is provided. The method includes providing an ingot or a slab of steel with a desired composition and a microstructure composed of austenite and 35 to 65% ferrite by volume and hot rolling the ingot or slab at a temperature between 1150 and 1280° C. to obtain a plate, a band or a coil. A method for manufacturing a hot-rolled bar or wire of steel, a steel profile and a forged steel piece are also provided.

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Patent Owner(s)

  • ARCELORMITTAL;UGITECH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bourgin, Christophe Alberville, FR 6 16
Chauveau, Eric Alberville, FR 5 17
Fanica, Amelie Cersot, FR 5 2
Mantel, Marc Mercury, FR 6 40
Peultier, Jerome Autun, FR 3 13
Renaudot, Nicolas Albertville, FR 2 2

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