Does gaseous sulfuric acid corrode 904L steel plates?

2023-10-11View Original

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Does gaseous sulfuric acid corrode 904L steel plates?

Reply #22023-10-11

Gaseous sulfuric acid has low corrosivity toward 904L steel plates. 904L is a highly alloyed stainless steel that contains high levels of nickel and chromium, granting it excellent corrosion resistance. It can resist the erosion of various strong acids, including concentrated sulfuric acid. Therefore, gaseous sulfuric acid has a low corrosive effect on 904L steel plates, but it is still recommended to conduct actual tests based on specific conditions. .

Reply #32023-10-12

Specific temperature and concentration? Are there any other impurities? There should be no problem; sulfuric acid is highly corrosive at the gas-liquid interface, or in the condensation area

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