Thread Content
The CTS ultra-high-performance corrosion-resistant and anti-coking film coating surface treatment technology is a surface modification technique for stainless steel, and it is at the international leading level in terms of corrosion resistance and anti-coking performance for stainless steel used in the petrochemical industry. The core principle is to use chemical-electrochemical methods to increase the thickness of the natural Cr₂O₃ film layer on the surface of stainless steel from a few nanometers to 500 nanometers, thereby significantly enhancing the material’s corrosion resistance. Key performance advantages: Corrosion resistance – The treated stainless steel exhibits an improved pitting resistance compared to various nickel-based alloys and duplex steel materials; in harsh corrosive environments with high acidity and high sulfur levels, the service life of the equipment can be extended by 2 to 5 times. Coking resistance: The thickness of the oil film on the surface of the filler after treatment is only 1/3 to 1/5 that of ordinary 317L material, which reduces the tendency to coking and also increases the device’s pull-out rate by 3.97%. Strong adhesion: The membrane layer does not crack or peel under test conditions such as large deformations, impacts, or rapid cooling at 800°C. Actual application results: This technology has been implemented in dozens of refineries. The relevant components at CNOOC Huizhou Petrochemical have withstood three maintenance cycles after being treated with this technology, far exceeding the service life of ordinary 317L steel which is less than 4 years.