galvanized slit coil

Advantages

Some of the advantages of Galvanized slit Coils

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*

Introduction to Galvanized Slit Coil

Galvanized slit coil represents a pinnacle in steel protection technology, leveraging advanced galvanizing processes to create a durable, corrosion-resistant material ideal for a wide range of applications across various industries. The process of galvanizing involves coating carbon steel with a protective layer of zinc, which serves to lock out moisture and prevent corrosion. This coating not only enhances the lifespan of the steel but also improves its adhesion and abrasion resistance, making it a highly versatile and valuable material.

The Galvanizing Process

Galvanizing is a meticulous process designed to apply a uniform layer of zinc to the surface of steel. This process can be broken down into several critical steps:

1. Surface Preparation: The steel is thoroughly cleaned to remove any dirt, oil, and surface impurities. This is often achieved through a combination of degreasing, pickling (acid cleaning), and sometimes abrasive cleaning.
2. Fluxing: After the surface preparation, the steel undergoes a fluxing process to prevent oxidation before it enters the molten zinc bath. This step is vital to ensure proper adhesion of the zinc coating.
3. Galvanizing: The prepared steel is then dipped into a bath of molten zinc at temperatures around 450°C (842°F). The zinc reacts with the steel to form a series of zinc-iron alloy layers and a final outer layer of pure zinc.
4. Cooling and Inspection: The galvanized steel coil is allowed to cool, and then it's rigorously inspected for coating thickness, uniformity, and appearance.

Key Features and Benefits

Galvanized slit coils boast several significant advantages that make them a preferred material in manufacturing and construction:

1. Corrosion Resistance - High-grade pure zinc coupled with a uniform coating ensures superior resistance to red rust, significantly extending the lifespan of the steel.

2. Uniform and Superior Zinc Adhesion - The galvanizing process ensures superior zinc adhesion through electrolytic cleaning of the steel substrate before coating, providing robust and durable protection.

3. Absolute Flatness - The 'Wet Skin Passing' technique ensures absolute flatness, improving surface texture and shape retention, critical for many precision applications.

4. Optimum Malleability and Ductility - Carefully controlled process parameters from raw material selection to steel production yield a high-quality substrate steel, with grades ranging from commercial to interstitial free (IF) steel. This ensures the material's malleability and ductility, allowing for intricate forming and shaping.

5. Superior Paint Adhesion - A true zero spangled surface with a roughness factor (RA) varying between 0.8 to 1.4 enhances paint adhesion, leading to a better finish and reducing paint requirements, thereby lowering costs.

Applications of Galvanized Slit Coils

Galvanized steel slit coils are indispensable in several industries due to their high durability and versatile nature. Here are some of their key applications:

1. Automobile Industry - Used in the manufacture of air and oil filters, fuel and oil tanks, exhaust pipes, and more. The high corrosion resistance ensures that automotive components remain functional and aesthetically pleasing over extended periods.

2. Appliances Industry - Galvanized coils are utilized in creating components for air conditioners, refrigerators, washing machines, microwave ovens, air coolers, gas stoves, and other household appliances. The superior paint adhesion ensures durability and aesthetic quality, while the material's robustness guarantees long-term performance.

3. Construction and Building Materials - Galvanized steel slit coils are used in roofing, siding, framing, and other structural elements in construction. The corrosion resistance is particularly beneficial in outdoor applications where materials are exposed to the elements.

4. Electrical Equipments - Used in the fabrication of various electrical enclosures and panels, ensuring protection against corrosion and enhancing the longevity of electrical systems.

5. Agricultural Equipment and Structures - Ideal for manufacturing farm equipment and structural components in the agricultural sector, owing to the material's strength and resistance to weather-related wear and tear.

6. HVAC Applications - Essential for ducts and other components in heating, ventilation, and air conditioning systems. The material's formability and resistance to corrosion make it suitable for these applications.

7. Consumer Goods - Used in a variety of consumer products such as toolboxes, storage units, and other implements where durability and aesthetic appearance are crucial.

Technical Specifications

Understanding the technical specifications of galvanized slit coils is essential for ensuring they meet the required standards for various applications. Here are the crucial technical aspects:

1. Thickness: Ranges from 0.30 mm to 3.00 mm, depending on the specific needs and application requirements.
2. Width: Customizable, but typically ranges from 20 mm to 1500 mm in slit widths.
3. **Zinc