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This section provides an overview for bonderized sheets as well as their applications and principles. Also, please take a look at the list of 13 bonderized sheet manufacturers and their company rankings. Here are the top-ranked bonderized sheet companies as of December, 2024: 1.Thompson-Mathis Metal Manufacturing, 2.NIPPON STEEL CORPORATION.
Table of Contents
Bonderized Sheet is a steel material officially called electrogalvanized steel sheet.
Both sides of a thin steel sheet are electroplated with zinc, and surface treatment (phosphate film treatment) is applied by electrochemical corrosion protection using manganese oxide and iron phosphate. The latter half of the bonded steel sheet has good adhesion of the coating film and excellent corrosion resistance.
The name "Bonderized Sheet" was used when it was first manufactured and sold by Nippon Steel Corporation (now Nippon Steel Corporation). It is a type of steel material designated as SECC "electrogalvanized steel sheet" by JIS.
The name "Bonderized Sheet" is used only by metalworking companies and the construction industry that use Bonderized Sheet, and not by the steel industry that supplies the material.
Bonderized Sheet is mainly used as a building material for hardware, furniture, and lighting fixtures used indoors. A familiar example is the back panel of a desktop computer, which is made of Bonderized Sheet. Painted ones are used for interior walls and ceilings of buildings and stations, etc. Covers for ATMs and other mechanical equipment, and the exteriors of elevators and escalators are other applications.
For outdoor use, it is sometimes used as the body of a truck, but it is used as a material with a base coat of paint, which is then further coated. There are seven standard thicknesses of Bonderized Sheet: 0.6, 0.8, 1.0, 1.2, 1.6, 2.3, and 3.2 mm. The numbers are in the middle due to the influence of the conventional inch notation.
As mentioned above, Bonderized Sheet is a steel material officially called electrogalvanized steel sheet. There are several different methods of applying galvanization to steel, but Bonderized Sheet uses electroplating to form a uniform zinc coating on the surface of the steel sheet.
The most important effect of galvanizing is to give the steel sheet a rust-preventive feature. Depending on the environment in which they are used, iron-based products can develop rust, which not only deteriorates their appearance but also greatly reduces their strength. Galvanizing steel provides a rust-preventive effect by covering the surface of the steel with zinc.
The anti-corrosion mechanism of zinc plating is such that if a small scratch occurs on the product, zinc will dissolve into the scratch and cover it before the steel rusts. This effect is called, for example, sacrificial corrosion protection, whereby the plating material corrodes itself before the base metal does, thereby protecting the base metal.
Another excellent property of electrogalvanization is that it not only covers the surface thinly, but also evenly over the entire surface. This is one of the reasons why Bonderized Sheet is an easy-to-use material, not only because of its beautiful appearance, but also because of the ease with which paint can be applied.
With Bonderized Sheet, a uniform and smooth surface can be obtained, which is only possible with electrogalvanization. Bonderized Sheet is also attractive because it provides a different atmosphere from that of painted surfaces.
Bonderized Sheet is suitable for bending, pressing, and drawing. Although it is not suitable for structural members due to its inferior strength, it is suitable for decorative and panel parts due to its excellent workability.
Bonderized Sheet can be welded. Generally, plated materials cannot be welded in most cases because the plating film does not melt easily. Bonderized Sheet can be joined by arc welding such as tig welding because the plating film is thin.
The zinc phosphate coating applied to Bonderized Sheet is suitable as a base for painting, which improves the adhesion of the paint. In addition, even if the coating is damaged, the sacrificial corrosion protection of the zinc coating prevents rust from forming.
Difference between Bonderized Sheet and SGCC
SGCC is hot-dip galvanized steel sheet, which differs from electrically plated Bonderized Sheet (SECC) in that a zinc coating is applied to the surface of the steel sheet by immersing the sheet in molten zinc.
Both Bonderized Sheet and SGCC are plated with the same zinc, but there is a difference in performance between the two due to the different plating methods. Electroplating produces a uniform, thin film, while hot dip galvanizing produces a relatively non-uniform, thick zinc film.
Since the corrosion resistance of galvanized steel depends on the thickness of the plating film, SGCC with hot-dip galvanization exhibits higher corrosion resistance than Bonderized Sheet. Because of these differences, Bonderized Sheet is generally used in situations where appearance is important, while SGCC is generally selected in situations where corrosion resistance is important.
*Including some distributors, etc.
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JFE Steel America, Inc., a subsidiary of JFE Steel Corporation and established in 1994, is located in North Kingstown, Rhode Island, and is a manufacturer and supplier of flat-rolled steel products. Their product offerings include galvanized steel with a zinc coating for corrosion protection, cold-rolled steel with improved strength and smoother surface, hot-rolled steel used for beams, plates, and bars, stainless steel resistant to corrosion and high temperatures, and alloy steel with enhanced strength, toughness, and corrosion resistance. JFE Steel America's products find applications in diverse industries like construction, automotive, and manufacturing.
SteelCo USA is a supplier of steel products and related services that is situated in Chino, United States of America. The company provides galvanized steel, cold-rolled steel, aluminized steel, and electro-galvanized steel. It also offers multi-blanking, shearing, bending, and slitting services. Galvanized steel can be used for construction, agriculture, HVAC, and other various manufacturing applications. Its multi-blanking line allows it to take a master coil of up to 30,000 pounds and slit it to multiple widths and then cut to various lengths.
Beacon Roofing Supply, Inc., founded in 1928 and headquartered in Virginia, USA, is a manufacturer of residential and commercial roofing materials, along with complementary building products. The company provides a broad range of goods, such as waterproofing solutions, underlayment, insulation, and roofing shingles. It provides premium, long-lasting roofing materials that lengthen a building's lifespan and improve performance. The products provide exact solutions and services to suit the changing needs of the construction business. The industries served by the products include residential construction, commercial construction, and remodeling for roofing and building specialists.
Thompson-Mathis Metal Manufacturing (TMM) is an American manufacturer of sheet metal products originally established in 1962 as a sheet metal supplier before its expansion into fabrication operations in 2004. The company produces various sheet metal products, including gutter systems, downspout elbows, fasteners, soldering tools, and roofing accessories. They also offer custom design and engineering, inhouse support, and worldwide delivery services, as well as rental options for pre-fabricated (pre-fab) products. TMM chiefly serves clients in the residential and commercial sectors, as well as businesses in the roofing, HVAC, and home maintenance markets.
Majestic Steel USA, headquartered in Ohio, USA, has been a distributor of steel products since 1979. The company specializes in processing flat-rolled steel products, including hot-rolled, cold-rolled, and coated steel. These steel products are sourced from various mills to provide many selection for its customers. The company also offers steel product processing services such slitting, blanking, cut-to-length processing, and other related services based on customer specifications. It serves various industries, including manufacturing, construction, automotive, HVAC, and more.
Curtis Steel Co., LLC, a company in Houston, Texas, was founded in 1976 and is a distributor of flat-rolled steel products. The company's flat-rolled steel products comprise galvanized, paint-grip (Bonderized), Cold Rolled, Electro-galvanized, and Stainless Steel. Its standardized products have sizes ranging from 7 gauge to 30 gauge in widths up to 60 inches. Its items are suitable for HVAC products and electrical enclosures. The company also caters to customized orders to meet customers' needs and preferences.
Toyo Kohan Co., Ltd., established in 1934 and headquartered in Tokyo, Japan, manufacturer of tinplate, sheet metal, surface-treated steel sheets, and functional materials. Its product range includes tinplate for various cans and caps, tin-free steel for art cans and bottle crowns, laminated steel sheets for food and beverage containers, electro-galvanized steel sheets for PC and entertainment equipment, and nickel-plated steel sheets for battery and vehicle-related components. The company is knwon for its achievements, receiving the prestigious Okochi Memorial Grand Technology Prize and holding a significant number of patents, with 1,214 patents registered between 2009 and 2018.
Nippon Steel Corporation is based in Tokyo, Japan, and is an ISO 9001-certified manufacturer of steel production materials and steel products established in 1970 following the merger of Yawata Iron & Steel and Fuji Iron & Steel. The company produces steel parts for industrial projects, flat or wire steel products, and steel plates. It also offers chemicals used for metal treatment, including carbon materials, coal tar, and coke. The company also provides plant construction and engineering services for its clients in the energy distribution, shipbuilding, and railway sectors.
Industrial Metal Supply Company is based in California with locations across California, Arizona, and Northern Mexico. The company is a distributor of metals and accessories for dealing with metal. The company also provides numerous finishing services. The company works with many types of standard metals such as steel, aluminum, and copper as well as many specialty metals including hobby metals. The company offers metals in bar, tube, pipe, sheet, and plate forms. Services include cutting to size, laser cutting water jet, and custom extrusions among others.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | NIPPON STEEL CORPORATION |
50.0%
|
| 2 | Thompson-Mathis Metal Manufacturing |
25.0%
|
| 3 | Toyo Kohan Co., Ltd. |
25.0%
|
Derivation Method
The ranking is calculated based on the click share within the bonderized sheet page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
10 | 90.9% |
|
Japan
|
1 | 9.1% |
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