مشکلات در پردازش فولاد ضد زنگ دوبلکس ASTM A182 F51
Yaang has undertaken the trial production of a fluid rotary head installed in tens of meters deep sea water under the sea. When the fluid rotating head works, it should meet the requirements of no leakage inside and outside, strong corrosion resistance, and be able to adapt to a variety of fluid components and high flow rate. The socket weld flange of one …