Safer nuclear fuel cladding tubes

The Fukushima disaster in 2011 triggered a demand for safer nuclear tubes.

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Challenge

General Electrics (GE) initiated a project in which a number of existing alloys were tested. Sandvik APMT™ material proved to be the best in test and met all relevant requirements. GE turned to Sandvik to evaluate the possibility of manufacturing thin-walled nuclear cladding tubes from this material.

Solution

The objective was to design and industrialize a production method for thin-walled APTM tubes in cladding dimensions. This had never been done before. We have now produced the tubes and tested them in a laboratory environment, which allows GE to continue their development of safe nuclear fuel tubes.