How to improve the oxidation resistance of alloy steel?
In a high-temperature environment, long-term exposure of steel to an oxidizing atmosphere will trigger an oxidation reaction and form a dense oxide layer. However, this oxidation process destroys the structure and mechanical properties of the steel to a certain extent, and also affects the use of the steel, making it prone to corrosion, oxidation and other problems. The use of coating protection method can effectively prevent high-temperature oxidation of steel. Under high-temperature oxidation conditions, coating can form a dense, uniform, and thin anti-oxidation layer on the alloy surface, which plays a very good protective role.
Using RLHY-31 metal anti-oxidation coating to protect the substrate. Compared with vacuum thermal processing technology and protective atmosphere thermal processing technology, the coating protection method has the characteristics of low investment, low cost, simple operation, strong adaptability, etc., and is not affected by gas sources. , equipment workpiece volume and shape restrictions and other characteristics.
The coating has strong anti-rust, anti-corrosion, and anti-discoloration effects, preventing objects from aging in high-temperature environments; preventing metal oxidation and embrittlement in high-temperature environments; in neutral salt spray tests and high-temperature and high-humidity tests, the corrosion resistance of objects Increased by more than 3 times. The ability to prevent metal discoloration is 20 times higher than that of chromic acid passivation. It has good anti-aging effects in high-temperature sulfur dioxide and hydrogen sulfide gas corrosion tests; it can improve the oxidation resistance of steel and the corrosion resistance of high-temperature gases.
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