Balajee Enterprise

GI slit coils, or Galvanized Iron slit coils, are made from hot-rolled steel that has been coated with zinc to provide corrosion resistance. The coils are then slit into narrower strips for various applications. Here are some key details about GI slit coils:

1. Production Process:

• Galvanization: The steel is coated with zinc through either hot-dip galvanizing or electro-galvanizing, which protects it from rust and corrosion.
• Slitting: After galvanization, the large coils of galvanized steel are slit into narrower widths based on specific requirements.

2. Characteristics:

• Corrosion Resistance: The zinc coating provides excellent protection against rust and environmental damage.
• Ductility: GI slit coils maintain good ductility and malleability, making them easy to work with in fabrication.

3. Applications:

• Construction: Used in roofing, wall cladding, and other structural applications where corrosion resistance is critical.
• Automotive: Commonly used for parts that require durability and rust resistance.
• Manufacturing: Employed in various industrial applications, including the production of appliances and furniture.

4. Advantages:

• Cost-Effective: GI slit coils offer a balance of durability and affordability.
• Versatile: They can be easily cut, formed, and welded to meet various design specifications.
• Long Lifespan: The zinc coating significantly extends the life of the steel, reducing maintenance costs.

5. Specifications:

• Available in various thicknesses and widths, allowing for customization based on project requirements.

6. Limitations:

• Surface Quality: While galvanized surfaces are resistant to corrosion, they may still show imperfections, which can be a concern for some applications.
• Welding: Special care is needed when welding galvanized steel to avoid issues related to zinc fume exposure.

The new cold rolling mill (CRM-III) at Bokaro Steel Plant, uses state-of-the-art technology to produce top quality Cold Rolled and Galvanized Products. It has a total capacity of 1.2 million tonne with 0.84 million tonne for CRCA and 0.36 million tonne of Galvanised Coils. The CRM-III complex houses following facilities.