The processed part this time is a cylinder flange with a diameter of 4 meters and a weight of 10 tons. It is made of Q235B and 20 # steel forgings. At the same time, the flanges and rings at both ends are made of 20 # steel forgings. The processing technology of this flange cylinder is machining and non-destructive testing, and the flange rings at both ends are welded, magnetic particle inspected, annealed, sandblasted, primer and drilled. At present, the product is being processed.
