galvanized coil

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Galvanized Steel

Galvanizing is the process of applying a protective zinc coating to steel.

Carbon steel that has gone through this chemical process of galvanizing to keep it from corroding is called Galvanized Steel.

The zinc layers created during the galvanizing process produce a protective coat around the steel, locking out moisture and averting corrosion.

Galvanizing also enhances adhesion and abrasion resistance.

Country Of Origin : India

  • Additional information

    Advantages

    Some of the advantages of Galvanized Coils & Sheets include -

    Corrosion Resistance - High-grade pure zinc coupled with uniform coating ensures highest Red Rust resistance.

    Uniform & Superior Zinc Adhesion - Superior Zinc adhesion is achieved through electrolytic cleaning of steel substrate before coating.

    Absolute Flatness - Absolute flatness is possible through 'Wet Skin Passing', which ensures improved surface texture and superior shape retention.

    Optimum Malleability & Ductility - Best substrate steel quality is achieved by applying close controls on process parameters right from Raw Material [Iron ore & Coal] stage to steel production ensuring desired quality right from Commercial to IF grades of steel.

    Superior Paint Adhesion - True zero spangled surface with RA factor varying between 0.8 - 1.4 ensures superior paint adhesion, better finish due to absence of spangles/crushed spangles, which also lowers paint requirement and hence, lowers the cost.

    Applications

    Some of the applications of Galvanized Coils & Sheets include -

    Automobile industry - Galvanized Coils & Sheets are used to produce air and oil filters, fuel and oil tanks, exhaust pipes etc.

    Appliances industry - Galvanized Coils & Sheets are used to make various components of Air Conditioners, Refrigerators, Washing Machines, Microwave Ovens, Air Coolers, Gas Stoves etc.



    Advance Information*

    Overview of Galvanized Steel

    Galvanized Steel is the product of an advanced chemical process where carbon steel undergoes a transformation involving the application of a protective zinc coating. This innovative approach locks out moisture and averts corrosion by creating zinc layers around the steel, producing a resilient exterior that enhances adhesion and abrasion resistance. It’s this robust nature and multi-functional capabilities that have positioned galvanized steel as a material of choice across various industries.

    What is a Galvanized Coil?

    A Galvanized Coil is a roll of steel that has been subjected to the galvanizing process. This involves immersing the carbon steel into a bath of molten zinc, resulting in a sturdy layer of zinc coating that effectively protects the steel from oxidation and other forms of rusting. The steel is typically supplied in coil form and can be cut into sheets or other configurations depending on its intended use.

    Advantages of Galvanized Coils & Sheets

    Corrosion Resistance

    One of the foremost advantages of galvanized coils and sheets is their superior corrosion resistance. The high-grade pure zinc, coupled with a uniform coating, ensures they possess the highest level of protection against red rust. This characteristic makes them apt for use in environments where exposure to moisture and corrosive substances is prevalent.

    Uniform & Superior Zinc Adhesion

    Through the process of electrolytic cleaning of the steel substrate before the application of the zinc coating, superior zinc adhesion is achieved. This method ensures that the zinc coating is evenly distributed across the steel surface, thereby providing consistent protection and enhancing the longevity of the steel.

    Absolute Flatness

    The 'Wet Skin Passing' technique is employed to achieve absolute flatness in galvanized coils and sheets. This method not only ensures an improved surface texture but also superior shape retention. As a result, the steel structures built using these coils and sheets maintain their desired form and alignment over extended periods.

    Optimum Malleability & Ductility

    By applying close controls on process parameters from the raw material stage (iron ore and coal) through to steel production, the best substrate steel quality is achieved. This meticulous control ensures that the steel has optimum malleability and ductility, making it suitable for a wide variety of applications from commercial to IF grades of steel.

    Superior Paint Adhesion

    Galvanized coils and sheets feature a true zero-spangled surface with an RA factor varying between 0.8 - 1.4. This ensures superior paint adhesion and a better finish as there are no spangles or crushed spangles that would otherwise impede paint quality. Consequently, this feature lowers the paint requirement and, hence, reduces the overall cost.

    Applications of Galvanized Coils & Sheets

    Automobile Industry

    In the automotive sector, galvanized coils and sheets are indispensable. They are utilized in the production of various components such as air and oil filters, fuel and oil tanks, and exhaust pipes. The exceptional corrosion resistance ensures that these parts endure rigorous operating conditions and have a prolonged lifespan.

    Appliances Industry

    Galvanized coils and sheets find significant use in the manufacturing process of numerous household appliances. These include air conditioners, refrigerators, washing machines, microwave ovens, air coolers, and gas stoves. The durability provided by the zinc coating ensures these appliances can withstand the wear and tear they encounter during their operational life.

    Additional applications extend to construction, electrical systems, and the defense industry, among many others. Given the versatility and high performance attributes of galvanized steel, it continues to be a material of preference for addressing a myriad of engineering challenges.

    Technical Specifications

    Composition

    • Base Metal: Carbon Steel
    • Coating: Zinc

    Galvanizing Process

    • Method: Hot-Dip Galvanizing
    • Zinc Coating Thickness: Variable based on requirement

    Physical Properties

    • Tensile Strength: High
    • Yield Strength: Consistent
    • Hardness: Robust
    • Surface Finish: Smooth with zero-spangled surface

    Chemical Properties

    • Corrosion Resistance: Excellent due to pure zinc coating
    • Abrasion Resistance: Enhanced
    • Adhesion: Superior adhesion quality achieved through thorough preparatory treatment

    Dimensional Tolerances

    • Width: Customizable based on requirements
    • Thickness: Ranges as per industry standards
    • Length: Delivered in coils, can be cut to specific needs

    Standards Compliance

    • ASTM A653 / A653M: Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process
    • JIS G3302: Japanese standard for Hot-Dip Zinc-Coated Steel Sheets
    • EN 10346: European Standard for Continuously Hot-Dip Coated Steel Flat Products

    Production and Quality Assurance

    The production of galvanized coils involves a series of well-defined steps. Initially


    *Disclaimer: This additional description has been automatically generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
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