Galvanised mild steel sheet refers to a flat-rolled steel sheet that has undergone a galvanization process. Galvanisation involves coating the steel with a layer of zinc to enhance its corrosion resistance. Mild steel, also known as low carbon steel, serves as the base material for this product.

Here are features and characteristics of galvanised mild steel sheet:

1. Base Material:
   • Galvanised mild steel starts with a base of low carbon steel. This type of steel contains a relatively low percentage of carbon, making it more malleable and suitable for various fabrication processes.
2. Galvanisation Process:
   • The galvanisation process involves immersing the steel sheet in a bath of molten zinc applying a zinc coating. The zinc coating provides a protective layer to the steel, preventing corrosion and rusting.
3. Corrosion Resistance:
   • The primary purpose of galvanising mild steel is to enhance its resistance to corrosion. The zinc coating acts as a sacrificial layer, corroding preferentially to protect the underlying steel from rusting.
4. Applications:
   • Galvanised mild steel sheets find applications in various industries, including construction, ductwork, automotive, agricultural equipment, and general manufacturing. The corrosion resistance makes it suitable for outdoor and harsh environments.
5. Formability:
   • The mild steel base provides good formability, allowing the sheet to be easily shaped, cut, and fabricated according to specific requirements.
6. Appearance:
   • Galvanised mild steel sheets most often have a smooth even appearance.
7. Longevity:
   • Due to the protective zinc layer, galvanised mild steel sheets have an extended service life compared to untreated steel sheets in corrosive environments.

These sheets are widely used in construction for roofing, siding, ductwork and structural components, as well as in various manufacturing processes where corrosion resistance is essential.