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How to solve the failure of electrochemical polishing of stainless steel pipe in Wuxi stainless steel pipe factory
Double click auto scroll Published by: lcqywlzx published on: November 19, 2016 read: two thousand two hundred and fifteen Secondary [font: large in Small

Wuxi stainless steel pipe factory Stainless steel pipe How to solve the failure of electrochemical polishing

Wuxi stainless steel The failure of electrochemical polishing of stainless steel tube in pipe factory is firstly the local scorching on the surface of stainless steel pipe, which may be caused by excessive current or unstable clamping. If the corner and tip corrosion, it may be due to the electropolishing time is too long or the current is too large, or the temperature is too high. The surface of stainless steel tube has internal and external surfaces and local fogging, which may be due to the fact that the parts are not opposite to the electrode, or the parts overlap and block each other. The stainless steel pipes in the same groove are bright in some places and not bright in some places. It may be that there are too many steel pipes in the lower groove and the clamps are too large, which leads to the large difference of current density in different parts of the fixture. If the stainless steel tube is not polished and foggy, the proportion of solution components may be out of balance. The relative density and content should be adjusted, or the solution should be replaced locally if the solution is used for a long time. There are black plaques on the surface of stainless steel pipe, which may be due to the oxide skin not removed.

After electrochemical polishing, a layer of acid film will be formed on the surface of stainless steel pipe of Wuxi stainless steel pipe factory. After drying, this layer of film will remain on the surface. After a period of time, the film will oxidize in the air and cause corrosion. Moreover, some harmful substances will be attached to the film, which will affect the surface condition and the corresponding performance of the stainless steel pipe, If there is no machining after polishing, such as electroplating and coloring, the feasible method is to passivate after electropolishing and drying

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