Abstract: Along with the rapid development of domestic nuclear power plant construction,it is getting more and more necessary to realize 100 percentage supply of home-made seamless steel pipes for nuclear power generation industry.Elaborated in the paper are the characteristics of manufacturing process for the WB36CN1 seamless steel pipe for steam/water supply piping circuit of the conventional island of the 1 000 MW nuclear power plant.Based on the comparative analysis of the property data of the said pipe as produced with the manufacturing process,the application value thereof in the nuclear power generation sector is identified.