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Hot Dipped Galvanized Steel Coil(HDGI)

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    Hot Dipped Galvanized Steel Coil(HDGI)

    SISCO's hot dipped galvanized steel coils are used in multiple applications and by many types of industries, including the automotive, construction, and appliance manufacturing where rust-resistance is of utmost importance to the customer. Because non-corrosive hot dipped galvanized steel coils are less costly than stainless steel, many industries rely on their reliable use and more affordable cost. A strongly bonded zinc coating is among the most effective and economical methods for protecting bare steel from corrosion. SISCO's galvanized steel coils can be found in a multitude of products that range from washing machines, refrigerators, flashing, duct-work, car parts, drum containers, decking, HVAC systems, and much more. Our hot dipped galvanized steel products are used in applications designed for the residential, commercial, and industrial sectors.

    description

    Hot Dip Galvanized Steel Coil is produced by passing Cold Rolled Steel Coil through a Molten bath of Zinc at temperatures of around 460 degrees Celsius.The Zinc coating on the steel coil substrate acts as a barrier between the atmosphere and the surface of the metal. Further due to it’s lower chemical potential as compared to Iron(Fe),it is attacked and dissolved first,thereby offering superior corrosion resistance(cathodic protection).

    ASTM A 653A 653M is a standard specification for hot-dip galvanized steel coils. It sets the requirements for the composition and quality of the zinc coating to ensure consistent performance and durability.
    The Zinc Coating Mass Range of SISCO steel is between 40 gsm – 360 gsm(grams per square meter of sheet metal).The Surface Finish & Visual Appearance of the Zinc coating of Gi Coils can be :-
    Regular Spangle
    Minimized or Minimal Spangle
    Zero Spangle (Extra Smooth)

    Zinc Coated Steel Coil/Sheet(Galvanized Steel Coil)

    Application Building Roofing/Window Automobiles Color Coated Base Sheet etc.
    Standard ASTM A653/A653M This is the American standard for cold rolled hot dip galvanized steel materials. JIS G 3302 This is the Japanese material standard associated with hot dipped galvanized steel coils. BS EN 10346:2009 which Supersedes BS EN 10327:2004  & BS EN 10326:2004 This is the European material standard for Continuously hot-dip coated steel flat products.
    Grade DX51D DX52D DX53D DX54D S220GD S250GD...S550GD
    Surface Oilded Chromated Dry + Chromated Anti-Finger
    Zinc coat Weight(g/m2) 40-350
    Internal Dia. 508/610mm
    Coil Weight: 3-7 Tons
    Size Thickness:0.1-1.5mm Width:600-1500mm

    Production process

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