Based on a comparison of the material properties of various air-preheater tubes, it was concluded that the enamel tube has high corrosion resistance and can be used on the air-preheater although its initial cost will be much higher than the steel tube.

The application of glass steel tube used in pipeline waterworks;

Application of FRP pipe in small hydropower station;

According to the thermal elastic theory,the thermal expansion coefficient theory and its calculating method is proposed under different FW angle and settlement conditions of calculating method by means of equavilent thermal stress and its calculating method,which can provide theritical basis for FRP pipe design.

The installation technology of FRP pipe(Fiber Glass-Reinforced Plastics Pipe)is mainly introduced in this paper,which is newly used in the FGD s pipe system;the characteristics of the FRP Pipe and the causes of the installation technology quality control are also summarized.

The construction method of buried socket glass fibre reinforced plastic pipe;

Application of glass fibre reinforced plastic pipe in water supply project;