The lower half of the reactor pressure vessel (RPV) for China’s Tianwan-8 nuclear power plant has been manufactured by Russia’s Atommash, one of the equipment manufacturing subsidiaries of state nuclear corporation Rosatom.
The 160-tonne structure with a diameter of 4.5 metres was assembled in a vertical position and later placed horizontally on a special stand for welding.
Rosatom said welding had been completed. The operation lasted 17 days and included automated welding at constant temperatures between 150 and 300 degrees Celsius.
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