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          The steel structure
          
    
          
        
          
            
          
               
                    
          
	2222-03bbe

          
The steel structure
          
To the steel structure, the speed of corrosion is mainly relate to the air relative humidity and the
          
composition and quantity of pollutant in the atmosphere.
          
In order to reduce metal corrosion and extend its service life, we must adopt the spreads brushes
          
and spray finishing methods after operate the surface treatment, to form the protective film in the
          
metal surface, and cause the metal and the corrosive medium isolates, thus prevents the metal the
          
corrosion. 

          
	 

                        
            
          
        
          
    
          
    
    
          
  
          
      
          
          
          
              
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