تجزیه و تحلیل عیوب داخلی کوچک معادل قطر فلنج فورج حلقه بزرگ
In view of the small equivalent defects that are easily ignored in large ring forged flanges, this paper analyzes and compares them from the aspects of defect location, acceptance criteria, etc., and conducts sectioning tests and low magnification analysis, and discusses in detail the causes of small equivalent diameter defects. Taking the forged flange of wind …