Steel excellent in resistance to sulfuric acid dew point corrosion

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United States of America Patent

PATENT NO 8361245
APP PUB NO 20080166256A1
SERIAL NO

11884964

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Abstract

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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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Patent Owner(s)

  • NIPPON STEEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nishimura, Satoshi Kitakyushu, JP 67 1110
Sakamoto, Shunji Kitakyushu, JP 44 1142
Usami, Akira Futtsu, JP 20 378

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