Case Study - 6: Erosion Corrosion in a Reducer


Type of Failure Erosion corrosion in a reducer
Material Carbon steel reducer section
Time to Failure 3 Years

 

 

Observation

Horse shoe shaped marks, indicative of erosion corrosion

Reasons Flow rate exceeding the prescribed velocity

 

Remedy

Avoid exceeding the velocity greater than 15 fps. If economics allow use Stainless steel.