Abstract

The generation III nuclear technology (AP1000) has been introduced into China since 2006 along with the project of 1000 MW advanced passive pressurized water reactors which is a development of any of the generation II nuclear reactor designs incorporating evolutionary improvements in design developed during the lifetime of the generation II reactor designs. The low pressure rotor of nuclear turbine for AP1000 is currently the heavy forging which requires the use of the heaviest steel ingot and possesses the maximum weight and cross sectional area in the world. The forming and manufacturing technology of such heavy forging have been described in this paper.

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