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OwnerLieven BRACKE, Aniruddha DUTTA +2inventors
InventorsLieven BRACKE, Aniruddha DUTTA, Elvan EKIZ, Tom WATERSCHOOT
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A High Manganese hot rolled steel having a composition including of the following elements 0.8%≤Carbon≤1.3%, 9.5%≤Manganese≤22%, 0.01%≤Silicon≤3%, 0.01%≤Aluminum≤3%, 0.03%≤Phosphorus≤0.1%, 0.03%≤Sulfur≤0.1%, 0%≤Nitrogen≤0.01%, 0%≤Niobium≤0.03%, 0%≤Titanium≤0.2%, 0%≤Chromium≤1.5%, 0%≤Molybdenum≤0.5%, 0%≤Calcium≤0.005%, 0.01%≤Copper≤2%, 0.01%≤Nickel≤3%, 0%≤Boron≤0.01%, 0%≤Magnesium≤0.005%, the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of the steel consisting in, in area fraction, 95% or more of Austenite, 0% to 5% Carbides wherein the grain size of the grains of Austenite is 15 microns or more.
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