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Galvanized Steel

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Galvanized steel articles are coated with one or more layers of zinc in order to improve strength and corrosion resistance in industrial, commercial and domestic applications where steel parts are exposed to corrosive materials or are in high use. Read More…

Galvanized Steel Galvanized steel articles are coated with one or more layers of zinc in order to improve strength and corrosion resistance in industrial, commercial and domestic applications where steel parts are exposed to corrosive materials or are in high use.
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Leading Manufacturers

Skokie, IL  |  847-966-3000

Block Steel Corp, ISO/TS 16949 Certified, specializes in aluminized steel and is the country’s largest aluminized steel distributor. We also stock Aluminized Stainless, Hot Dipped Galvanized, and distribute tubing.

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Block Steel Corp. $$$

Kenilworth, NJ  |  908-272-2620

Blue Blade Steel is a U.S. made spring steel manufacturer offering tempered steel services. We are also a steel manufacturer of custom strip steel for a variety of industries. We have state-of-the-art equipment, and believe in embracing new technologies. Seek when you need high product quality.

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Blue Blade Steel $$$

Youngstown, OH  |  800-321-9257

Here at Hynes Industries we offer a number of custom roll formed and standard roll formed products. With manufacturing experiences dating back to 1925 we have the background and skill to handle all of your requests. Simply contact one of our representatives to learn more information!

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Hynes Industries $$$

Kenilworth, NJ  |  908-497-1477

Aircraft-quality alloy steel in sheet and plate is available through Benedict-Miller’s steel service center. We meet AMS, ASTM and AISI specifications, and are ISO 9002-certified. We have our own in-house metallurgical laboratory. Benedict-Miller is a subsidiary of Blue Blade Steel.

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Benedict-Miller, Inc. $$$

Houston, TX  |  800-749-4621

Cold Rolled Steel is a mill product made with a high degree of gauge accuracy and uniformity of physical characteristics. The smooth deoxidized matte finish gives an excellent base for paint, lacquer and enamel. Box annealing and absence of scale permit stamping and moderate drawing operations. Sheets bend flat on themselves without cracking. Our Cold Rolled sheet and coil conform to ASTM A1008.

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Curtis Steel Co., Ltd. $$$
placeholder image Block Steel Corp. Blue Blade Steel Hynes Industries Benedict-Miller, Inc. Curtis Steel Co., Ltd.

Steel, composed predominantly of iron, is among the most common alloys in the world. In addition to iron and carbon, other metallic elements are introduced to create unique alloys with application-specific properties. Galvanization enhances these qualities by forming a metallurgical bond between the steel and zinc. This not only improves tensile strength but also provides an added layer of protection. While this layer, varying in thickness from one mil to just over four mils, will eventually corrode, the damage is significantly slowed.

The application of zinc is a relatively simple and cost effective procedure, making its use popular for a variety of steel hardware and fixtures such as grills, grids, grip plates and grates, nails, braces, screws, beams, studs and even automotive paneling. A wide variety of industries make use of the prolonged lifespan of galvanized steel parts. Construction, automotive, electronic, shipbuilding, aerospace, marine, chemical and food processing, power generation, water treatment and several other applications utilize galvanization to ensure the quality and safety of finished products.

Galvanization is most often achieved through a process known as hot-dip galvanizing. Essentially, this involves bathing steel components in molten zinc. Zinc is kept liquefied at temperatures near 860°F. The metal articles, first cleaned with a light acid solution, are either dipped or fed into the zinc bath, which forms a permanent bond with the substrate materials.

When exposed to oxygen and carbon dioxide in the atmosphere, the zinc is cured and forms a layer of zinc carbonate that further protects the steel products. While traditional hot-dipping is still widely used, two additional techniques are growing in use and popularity. Electro-galvanizing passes an electric current through the zinc compound in order to create a thinner and more tightly bonded coating.

The newest development is the environmentally-friendly thermal diffusion galvanizing, which eliminates the hazardous caustic and acid baths used in traditional methods. Rather than a molten bath, zinc powder is applied to steel parts that are then sealed in a drum and processed through a rotary oven.

Zinc can be applied in single or multiple layers depending upon the steel's intended use. Each technique results in spangle, either uniform or large grain, on the finished product. Spangle is the appearance of a crystalline structure that gives the formerly shiny metals a dull grey appearance. Galvanization is most often applied to pre-formed ready-for-assembly parts, though some steel service centers provide stock shapes as well.

Galvanized Steel Informational Video