A review is given on the protection of the marine steel structures including offshore platforms, oversea bridges, and marine ships by thermally sprayed zincaluminum coating, based on the summarizing the applications of the thermal spraying technique in various relevant engineering fields world wide.

As the support structure of offshore oil and gas drilling and production platform,the construction amount of offshore steel structures increases year by year.

This article centers on the key links in the process of the surface-priming,rate-production,corrosion and protection in packing and preservation of the steel-member,and discusses the application prospect of some new typical corrosion control technology in industrial production theoretically and practjcally.

Great achievements in marine science and technology in china lay the foundation of exploiting marine mineral resources and building marine-type steel works.