Abstract
The process of Quench-bluing treatment on low-carbon steel were introduced. The continuity and corrosion resistance of the blue oxide film that is treated by different types of bluing solution and bluing solution with different concentrations of NaOH were evaluated by drip experiment and electrochemical test .The results show that Quench-bluing process can make the corrosion resistance better when use the solution of 500g/L NaOH and 150g/LNaNO2 as Quench liquid and 15% NaOH in the solution can form the blue oxide film with the best corrosion resistance.
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