pretreatment of different basic materials

                                                                                                                                                  

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flow steel stainless steel non-ferrous metals aluminum magnesium
hot degreasing x x x x x
pickling  x (x)     x x
condition 1                 x
condition 2                 x
zincate             x    
watt`s nickel             optionally    
prenickel             optionally    
elektrol. copper             optionally    
elektrol. degreasing x x x        
pickling x x x        
nickel strike     x x        
electroless nickel x x x x x
further layers possible possible possible possible possible

between the steps rinses accordingly                                                                                             

 

the air plane which can fly most high (27 km) and most fast (3600 km/h) "black bird"

 

 

 

 

 

 

 

 

 

electroless nickel

pretreatment

stainless steel

steel

aluminium

copper

magnesium

brass

prenickel

zincate