Aim at the problem of internal quality testing of high-pressure thin-wall welded steel cylinder pipe workpiece,the advantages of the method of using ultrasonic plate wave are obtained through the comparison of five general nondestructive testing methods by the paper.

And at the same time , the author has made a thoroughly analysis of the reeled processing mechanism of the precise steel canister .

Performance under force of column-supported steel silos under wind loading;

Stability design of flat-bottom circular steel silos-silo loading;

Supporting silo walls directly on engaged columns provides a simple and cost-effective support arrangement for light steel silos.