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S400GD+Z refers to a specific type of galvanized steel sheet. Let's break down the components of the designation:"S" denotes "steel," indicating that the material is a steel product. "400" represents the minimum yield strength of the steel, measured in megapascals (MPa). In this case, the minimum yield strength is 400 MPa, indicating a relatively high-strength steel."GD" signifies that the steel is galvanized with a hot-dip process, where it is immersed in a bath of molten zinc to provide corrosion resistance. "+Z" indicates the surface treatment of the steel. In this case, "+Z" signifies a regular spangle finish, meaning the galvanized coating has a visible crystalline pattern.
| Product Name | Galvanized Steel sheet | |
| Technical Standard | EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 | |
| Zinc Coating | 30-275g/m2 | |
| Surface Treatment | Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) | |
| Surface Structure | Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) | |
| Quality | Approved by SGS,ISO | |
Overall, S400GD+Z galvanized sheet refers to a high-strength steel sheet that has undergone a hot-dip galvanizing process to provide corrosion resistance. It is commonly used in applications that require both strength and protection against corrosion, such as construction, automotive, and manufacturing industries. The regular spangle finish is visually distinctive and adds an aesthetic appeal to the coated steel sheet.When working with S400GD+Z galvanized sheet, it's essential to follow appropriate handling, fabrication, and installation guidelines to ensure the best performance and longevity of the material. Consulting the product datasheets and working with experienced professionals can provide specific guidance based on the intended application and project requirements.
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