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633 vacuum vessel forgings shipped to Korea

-Sabina Griffith

In the early hours of Monday, 29 October 2012, the last of 633 massive stainless steel forgings for the ITER vacuum vessel left the KIND premises in rural Gummersbach, Germany. Their destination: Hyundai Heavy Industries in Ulsan, South Korea.

The forgings, made from highly refined F316L(N) IG steel, will be used for the construction of the first two sectors of the ITER vacuum vessel. The vacuum vessel is a hermetically-sealed steel container that contains the fusion plasma and acts as a first safety containment barrier. The manufacturing of the vessel is divided between Europe, which will supply seven sectors, and Korea, which will supply two sectors.

One of the ITER vacuum vessel forgings made out of highly refined F316L(N) IG steel. (Click to view larger version...)
One of the ITER vacuum vessel forgings made out of highly refined F316L(N) IG steel.
"We are very proud of being able to deliver these very special and tailor-made components for ITER on time," said Markus Kind, commercial managing director of the family-run company that is well-known for its experience in custom-made forgings (whether the 2,000 pieces manufactured for the Large Hadron Collider at CERN or the 15-ton propeller shaft of a super yacht).

It took two full days to load the precious goods weighing 360 tons into 20 shipping containers.

The cargo Don Giovanni is now headed for Ulsan, South Korea, where the fabrication of the first two vacuum vessel sectors is in full swing. 

At Hyundai Heavy Industries, Alexander Alekseev, head of ITER's Tokamak Directorate (centre), stands with Technical Responsible Officers Hee-Jae Ahn (Korea, left) and Chang-Ho Choi (ITER Organization, right) in front of the upper segment of full-scale mockup for the ITER vacuum vessel. (Click to view larger version...)
At Hyundai Heavy Industries, Alexander Alekseev, head of ITER's Tokamak Directorate (centre), stands with Technical Responsible Officers Hee-Jae Ahn (Korea, left) and Chang-Ho Choi (ITER Organization, right) in front of the upper segment of full-scale mockup for the ITER vacuum vessel.
"The start of vacuum vessel sector welding is a historical moment for the ITER project as it marks the manufacturing of the first fully licensed vacuum vessel for a fusion reactor in the word," said Alexander Alekseev, director of the ITER Tokamak Directorate during a recent visit to the Hyundai facility. "The Korean Domestic Agency and Hyundai Heavy Industries have done a great job. I know that it was not easy ... I appreciate very much the work done. This is a good start; we are quite confident that Korea will deliver all the sectors according to schedule."


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