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Nickel alloy with a high chromium content with a high sulfur water material corrosion resistance
Nickel alloy with a high chromium content with a high sulfur water material corrosion resistance
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机译：高铬含量的镍合金和高硫水材料的耐腐蚀性
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摘要
A high-chromium and high-nickel alloy having the following chemical composition and being excellent in hydrogen sulfide corrosion resistance under the conditions of a partial pressure of hydrogen sulfide gas of about 1 atm or less and a temperature of about 150 °C. As the alloy does not contain any expensive elements such as Mo and W, it is inexpensive and can be mass-produced. Si: 0.05-1.0 % (by weight, the same applies hereinbelow); Mn: 0.1-1.5 %; Cr: 20-30 %; Ni: 20-40 %; sol. Al: 0.01-0.3 %; Cu: 0.5-5.0 %; REM: 0-0.10 % Y: 0-0.20 %; Mg: 0-0.10 %; Ca: 0-0.10 %; balance: Fe and inevitable impurities. The content of each of C, P and S in the inevitable impurities is respectively at most 0.05 %, at most 0.03 % and at most 0.01 %. As shown in the above composition, REM, Y, Mg and Ca need not be added, while, if necessary, at least one of them is added preferably in the range of 0.001-0.10 % REM, 0.001-0.20 % Y, 0.001-0.10 % Mg, and 0.001-0.10 % Ca.
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