S350GD S450GD Hot-dip Galvanized Sheet

S350GD and S450GD Hot-dip Galvanized Steel are high-strength steel grades with a zinc coating applied through the hot-dip galvanizing process. The "G" in the grade refers to 'Galvanized', and the numbers (350, 450) denote their minimum yield strength in MPa.

Ingredients:

1. Base Material: Both S350GD and S450GD start with a high-strength steel substrate, typically containing low carbon content for formability, along with alloying elements such as manganese, silicon, and others to achieve the desired mechanical properties.

2. Zinc Coating: A protective layer of zinc is applied by immersing the steel sheet into a bath of molten zinc. This forms a metallurgical bond between the steel and zinc, creating an effective barrier against corrosion.

Properties & Uses:

- S350GD: Offers a yield strength of at least 350 MPa and good formability. It's used in applications where both strength and durability are required, such as roofing sheets, cladding, industrial buildings, agricultural structures, and various load-bearing components that need resistance to corrosion.

- S450GD: With a higher minimum yield strength of 450 MPa, it provides increased structural performance compared to S350GD. It's suitable for more demanding applications like heavy-duty construction, large-span structures, crane tracks, and other load-bearing members where stronger materials are needed but still require the anti-corrosive benefits of galvanization.

In summary, S350GD and S450GD Hot-dip Galvanized Steel Sheets combine the robustness and high strength of advanced steels with the long-lasting protection provided by zinc coatings. These materials are ideal choices for architects and engineers who seek durable, strong, and corrosion-resistant solutions for a wide variety of structural and building applications.

Available Size Range