With hight quality, well proportioned chemical composition and excellent comprehensive performances of corrosion resistance, the stainless steelstructural tubes are used for ordinary Structures and mechanical structures in petro and chemical industry, light industry and etc. The materials used are 06Cr19Ni10, 1Cr18Ni9, 022Cr19Ni10, 06Cr18Ni11Ti, 06Cr18Ni11Nb, 06Cr17Ni12M02, 022Cr17Ni12M02, 0Cr18Ni12M02Ti, 1Cr18Ni12M02Ti, 06Cr17Ni12M03Ti, 1Cr18Ni12M03Ti, 07Cr19Ni11Ti, 06Cr19Ni13M03 and 022Cr19Ni13Mo3.