核岛压力容器厚壁直角弯管锻件的制造

Manufacturing of Thick-Wall Right-Angle ElbowForgings for Nuclear Island Pressure Vessels

通过优化和控制冶炼、锻造、热处理等热加工工艺,成功制造厚壁直角弯管锻件。锻件水、冒口侧取样位置及内、外拐角解剖取样位置的性能检验结果均满足技术条件要求,性能均匀且具有较大富余量。

Thick-wall right-angle elbow forgings have been produced successfully by optimizing and controlling some thermal processes,such as steel melting,forging and heat treatment.The test results of samples cut from the positions in the nozzle and riser areas and the inner and outer corners on the forgings all meets the technical requirement in terms of mechanical properties.The mechanical property of the forgings distributes evenly and higher than the required.