Article | REF: BN3732 V1

Welding of the Main Components of Pressurized Water Recator Nuclear Power Plants

Authors: Denis BUISINE, Gérard PERRAT

Publication date: January 10, 2016

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3. Feedback for continuous improvement of welding operations

Taking advantage of the high level of series production in France's nuclear power plants, as well as achievements in other countries (South Africa, South Korea, USA, China, etc.), feedback from manufacturing and operation has led to numerous improvements.

3.1 Manufacturing feedback

This manufacturing feedback has led to changes in a number of parameters in several areas:

  • base materials (for example, the replacement of Inconel 600MA GV tubes with Inconel 690TT, see [BN 3 756] );

  • materials (for example, replacing Inconel IN 182/82 with Inconel IN 152/52);

  • design (e.g....

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Feedback for continuous improvement of welding operations