There are cooling rolls at the exit of the Pipe Manufacturing Line. After manufacturing has been completed, pipe temperature is around 900°C and needs to be cooled down. To cool the pipes down, 56 rolls have been used. Each roll has 120 rings with > 50HRc hardness. Rings are manufactured by turning machine and inducted to 50HRc rings are mounted on the rolls. Final assembly of rolls has been completed by Focus Engineering Co..