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Galvanized Steel Sheet
Hot-Dip Galvanized Sheet is carbon steel sheet coated with zinc on two sides by the continuous hot-dip process. The process results in a layer of zinc on each side of the steel sheet that is tightly adhering to the steel through the formation of an iron-zinc alloy bonding layer that is formed by a diffusion process while the heated steel strip is in contact with the molten zinc.
The steel gets coated in layers of zinc because rust won’t attack this protective metal.
If galvanized steel is lasered or cut, the edges will not be protected from rust since the zinc coating is layered on the outside of the sheet.
Hot Dip or Mechanical Galvanized Plating
Galvanizing at its most basic level is dipping steel products into a molten zinc bath. A metallic reaction ensues and a thin coating of zinc is formed, evenly covering all areas of exposed base metal. This simple approach is still used today; called after-fabrication hot dip galvanizing, this process is also commonly referred to as batch or general galvanizing. Products, assemblies, and fabrications coated with zinc by this process are most widely used in exterior applications but are also used in interior designs.
This is done to reduce corrosion (specifically rusting) of the ferrous item; while it is accomplished by non-electrochemical means, it serves an electrochemical purpose.
Galvanized steel is suitable for outdoor use if part is completely coated.
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Zinc Plating
Zinc plating involves the electrolytic application of zinc by immersing clean steel parts in a zinc salt solution and applying an electric current. This process applies a layer of pure zinc that ranges from a few microns on cheap hardware components to 15 microns.The finish of this type coating is normally a shiny silver finish. Due To the nature of this process a consistent finish is not always achieved and this type finish would not be considered decorative but effective in resisiting rust. The Zinc deposits on the metal acts as a barrier to oxidation (rust).
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Black Oxide
Black oxide is a conversion coating formed by a chemical reaction. The reaction between steel and hot oxide bath results in a magnitite coating being formed on the part. The part surface is normally a dark to matte black color after the process. The finish would not be considered decorative but adds an antique or flat black type look. The finish will not flake and is durable. The process also provides improved lubrication to the part to resist galling. It does not exhibit "white rust" so it is excellent for elecrical cabinet brackets.
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Electrostatic Powder Painting
Electrostatic Powder coating is the technique of applying a dry paint to a part. This is normally done by a spray gun and an electrostatic charge applied to the part. The part is then placed in an oven and the power particles melt and coalesce to adhere to the part as a film. The benefits of powder paint is that because of the electrostatic charge of the paint there is a very effective coverage of the part even into cracks and bends where a wet paint might not reach. Powder paint in a tough, abrasion resistant finish which is great for outdoor use. Short Run Pro has its own powder paint capabilities.
Custom colors available. Call: (877) 829-9293.
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Industrial/Wet Paints
Short Run Pro utilizes the highest quality wet paint systems for total coverage of brackets and parts. All parts we cleaned and a tough industrial primer is added to the part. The highest grade paints (considered automotive grade quality) are then spray painted onto the part over the dried primer. The result is a tough durable finish that will last.
Custom colors available. Call: (877) 829-9293.
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