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Diagonal annealing as the most effective corrosion protection coating of steel pipes despite the emergence of other coatings due to the stable and non-degradable structure of raw materials as well as ease of application around the world, as the main and most suitable protective coating for pipes.
Steel has so far maintained its monopoly position among other coatings.
Coal diaphragms manufactured by Coal Tar Refining Company are manufactured in two grades EN01N and EN02N according to international standards BS: 4164 and AWWA: C203.
The diagonal inlet produced by Coal Qatar Refining Company has the following valuable advantages:
Protect pipelines against corrosion permanently and permanently
Full resistance to degrading bacteria and microorganisms
Resistance to root penetration and growth of plants
Minimum water absorption over other coatings available
Resistance to decomposition by chemical agents
High resistance to leakage of derivatives and petroleum products
Slow changes in viscosity of the inlet at run temperature and ease of adjustment of coating thickness during run
High electrical resistance
Rapid hardening of the coating layer implemented at the surface of the pipe and preventing the flow and thickness of the coating change
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