Effect of Passivation Film Integrity on Marine Atmospheric Corrosion of Stainless Steel and Its Quality Inspection Methods

The effects of typical processing technology on the integrity of passivation film on surface of stainless steel and their corrosion behavior in marine atmosphere environment are introduced from the aspects of surface roughness, deformation and scratches, heterogeneous pollution and thermal processing. The integrity quality inspection methods for stainless steel passivation film in domestic and foreign standards are compared especially the quality inspection methods suitable for engineering site. Finally, the research directions of passivation film on stainless steel surface are prospected.