Method for manufacturing austenite-ferrite stainless steel with improved machinability
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United States of America Patent
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Oct 24, 2017
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Jan 18, 2017
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Jul 7, 2010
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Abstract
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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