Hyundai Steel Company

Nam-Hoon Goo

Seong-Ju Kim

Jin-Sung Park

Chun-Ku Kang

Disclosed are a steel sheet having excellent and a method for producing the same. The disclosed steel sheet comprises, by weight, 0.005-0.06% carbon (C), 0.2% or less silicon (Si), 1.0-2.0% manganese (Mn), 0.01% or less sulfur (S), 0.2-2.0% aluminum (Al), one or more of chromium (Cr) and molybdenum (Mo) in an amount satisfying 0.3&#x2264;[Cr wt %]+0.3[Mo wt %]&#x2264;2.0, and 0.008% or less nitrogen (N), with the remainder being iron (Fe) and inevitable impurities, wherein the density of dislocations in the ferrite matrix of the steel sheet is 1&#xd7;10/mor more.

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Suwon-si, South Korea

Nam-Hoon Goo