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         Chemical Cleaning - Pickling Passivation
         Mechanical Works
         Calibration Works
         Coating & Painting

  Pickling & Passivation

           Within Metal Surface Treatment Services the focus today is very much on stainless steel, a growing market, where a complete finishing service is provided to both manufacturers, processors and end users: Pickling and Passivation, Electro polishing, Blasting (Ceramic, glass, steel) Grinding and polishing.
SURFACE TREATMENT OF STAINLESS STEEL:
           Every mechanical and thermal treatment of stainless steel influences the corrosion resistance. Stainless steel is widely employed in various sectors of industry, such as the food industry, the chemical and petrochemical industries, oil and gas recovery etc. Stainless steel is used in fact due to its specific corrosion resistant features. This corrosion resistance is the result of its natural capacity to form a protective oxide film. This oxide film is however extremely thin and therefore very vulnerable. Many of the treatments that the stainless steel undergoes in the construction and sometimes also in the transport phase may result in damage to the oxide film. These will result in the stainless steel losing its corrosion resistance with the possibility of corrosion arising. Pickling after this phase will restore the corrosion resistance and remove chromium impoverished zones and alien iron. It will restore the corrosion resistance to the basic material’s original level.
Steel treatments / Cleaning :
           • Anti corrosion treatments
           • Pickling and passivation of steel structures, pipelines, etc.
           • Chemical treatment of heat exchangers, carbon steel pipes
           • Marine Cleaning
           • Cleaning of Industrial vessels (steam cleaning, HP water jet cleaning )
           • Oil flushing processes

Steel before pickling and passivation :

Spraying Chemicals   Spraying Chemicals

Steel after pickling and passivation:

inside passivated tank

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Address:
    Rotana Oil & Gas (W.L.L)
    Post Box :18576
    Doha, Qatar
Phone:
    00974 - 44771 381
Fax:
    00974 - 44620 455
E-mail:
    info[at]rogqatar.com
    rogqatar[at]gmail.com
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