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Abstract

An austenitic stainless steel including in weight % 0-0.4% C, 0-3% Si, 3-20% Mn, 10-30% Cr, 0-4.5% Ni, 0-3% Mo, 0-3% Cu, 0.05-0.5% N, 0-0.5% Nb, 0-0.5% Ti, 0-0.5% V, the balance of Fe and inevitable impurities. The content of at least one of the elements in the group of niobium (Nb), titanium (Ti) or vanadium (V) is more than 0.05% so that the total amount of niobium (Nb), titanium (Ti) and vanadium (V) contents is in the range of 0.05-0.5%. The grain size of the steel is less than 10 micrometer after annealing the cold deformed product and the difference between the yield strengths of the steel measured in transverse and parallel directions to the rolling direction is lower than 5%. Also, a method for producing the austenitic stainless steel.

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