After pickling, the corrosion and oil stains on the inner wall of the EN 10216 Seamless Stainless steel pipe are all removed, and the cleanliness should meet the requirements of relevant standards.
Pickling parts must not be pickled. If the steel pipe is immersed in the pickling solution for too long, the surface of the steel will become rough and form a honeycomb surface.
If the immersion time of the steel pipe in the pickling solution is too short or the concentration of the pickling solution is not enough, the steel will still have thin rust or iron oxide scale after pickling.
Ensure that the threads and non-acid-resistant seals are not corroded. Before pickling, yellow oil should be applied to the threads, and the non-acid-resistant seals should be temporarily replaced by acid-resistant seals.
Hebei shengtian pipe-fitting group Co., ltd. EN 10216 Seamless Stainless Steel pipes for Pressure Purposes are made to withstand the greatest heat and the highest pressure.Email : [email protected].
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