As we all know, the high quality ASME SA335 P91 seamless steel pipe also has lots of problems in the surface traetment. Katalor has the rich experience in ASME SA335 P91 seamless steel pipe more than 10 years. And then Katalor will introduce the common problems in ASME SA335 P91 seamless steel pipe for boiler surface treatment.
1. Inconsistent surface of ASME SA335 P91 seamless steel pipe for boiler : only the pickling passivation of the welds also causes uneven surface and affects the appearance.
2. It is difficult to remove the ASME SA335 P91 seamless steel pipe for boiler: the whole pickling passivation can not remove all the scratches generated during the process, and it can not remove the ASME SA335 P91 seamless steel surface due to scratches and welding splashes. Impurities such as carbon steel and splashing cause rusting due to chemical or electrochemical corrosion in the presence of corrosive media.
3. Weld defect: The weld defect is serious, and it is compensated by manual mechanical grinding method. The resulting grinding marks cause uneven surface and affect the appearance.
I guess you are looking for the ASME SA335 P91 seamless steel pipe right now. You can consider Katalor ASME SA335 P91 seamless steel pipe with good quality and affordable price. We have many customers are from all over the world, they usually buy ASME SA335 P91 seamless steel pipe from us. So welcome to contact us.
