| 摘要 |
The present invention provides a steel material able to secure a superior corrosion resistance in a sulfuric acid dew point corrosive environment of exhaust gas obtained by burning high S-containing fuel, containing, by mass %, C: <=0.010%, Si: <=0.10%, Cu: 0.05 to 1.00%, P: <=0.030%, S: <=0.050%, and Al: <=0.10% and comprising a balance of Fe and unavoidable impurities. Further, this steel contains one type or two types or more of Sb, Sn, Cr, Mn, Mo, Ni, Nb, V, Ti, and B.
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