Алжир pre painted steel sheet компании по импорту из / металл железо сталь алжир

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I would like to buy calvaniser pre lace coils This my characteristic Galvanization and pre-painting o The steel of the SM680 sheets has the characteristics of a steel (S280GD) conforming to the standard EN10143. EN101169-1. EN10346. EN 10326 o Average coating thickness on both sides is 28 to 38.5 u o EN1016 pre-painted galvanized steel sheets o Galvanizing characteristic: Average coating thickness on both sides is 28 µm o Characteristic of pre-lacquering: Average exterior face thickness greater than 25µm, average interior face thickness 15 µm o The base coating of the pre-painting product is: - Exterior face: Primer 5 µm + top layer 20 µm - Inner face: Primer 5, 7, or 10 µm + top layer