How to deal with acid pickling seamless pipe
1 Over pickling features: Carbon steel is over pickling, with rough surface and dark color.
Chrome stainless steel: The surface is gray and extremely rough, with round pinholes in severe cases.
2 Cause: The acid concentration is too high or the solution temperature is too high, or the time is too long.
3. Conclusion: scrapped!
Peracid has a great impact on the properties of steel. It is easy to stick or break when it is rolled again.
After acid, the residue on the top must be cleaned and washed with tap water. Otherwise, it will continue to corrode the steel.
Post time: Mar-30-2020