Beach steel having excellent weatherability and structure

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PROBLEM TO BE SOLVED : To provide a low-cost steel having excellent seaside weather resistance and capable of exhibiting excellent weather resistance even in a severe corrosive environment where the amount of flying salt exceeds 1 mdd (mg/dm2/day). ?SOLUTION : The steel has a composition comprising, by mass, 0.001 to 0.15% C, ≤2.5% Si, >0.5 to 2.5% Mn, COPYRIGHT : (C)2006, JPO&NCIPI ?