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How to quickly clean the remaining stains on stainless steel flanges
Release time:
2022-04-22 11:27
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How to quickly clean the remaining stains on stainless steel flanges?
The most commonly used flange is 304 stainless steel. The flange made of this material will be corroded at a rate of less than 0.1mm per year in 10% nitric acid at 20 °C; in 10% boiling acetic acid, the corrosion rate is Less than 0.1mm per year; corrosion rate in 50% citric acid is less than 0.1mm per year; corrosion rate in 20% potassium hydroxide is less than 0.1mm per year. The corrosion rate of 80% phosphoric acid at 60°C is still less than 0.1mm per year; but the corrosion rate of 2% sulfuric acid at 50°C is 0.016mm per year.
The inner lining is welded by cold-rolled stainless steel strip, and the stainless steel pipe is equipped with stainless steel welded pipe fittings and stainless steel flanges, which can be used to transport weakly acidic or weakly alkaline chemical fluids. The production of stainless steel flanges is often carried out in places with dust, which will continuously fall on the surface of the equipment, which can be removed with water or alkaline solution. However, high-pressure water or steam is required to clean up the dust with adhesion. Then there is the issue of floating iron powder or embedded iron. Free iron can rust and corrode stainless steel flanges on any surface. So it must be cleared. Floating powder can generally be removed along with the dust. Strong adhesion, must be treated as embedded iron
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