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How to remove the gray wheel marks on the surface of stainless steel welded pipes?

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How to remove the gray wheel marks on the surface of stainless steel welded pipes?
In the production of stainless steel welded pipes, after normal mechanical polishing procedures, the surface brightness of the stainless steel welded pipes is achieved, but if the polished surface is seen to the light, there are some gray wheel marks, which are actually the wax marks of the polished stainless steel welded pipes. But when the stainless steel welded pipe is polished, the last moment the stainless steel welded pipe leaves the polishing wheel, if the rotation speed of the wheel is not fast enough, the wheel mark will be left. No matter how you polish it, stains will remain on the stainless steel. This is due to the wax oil in the composition of the polishing paste.
So how to remove the gray wheel mark on the surface of the stainless steel welded pipe?
1) Use gasoline or xylene to scrub the polished surface.
2) Wash off gasoline or xylene with detergent or detergent.
3) Wash with plenty of water.
4) Blow dry or air dry.
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