Products Description
Galvanized Steel sheet in Coil
Galvanized steel sheet in coil is a product produced by continuous hot-dip galvanizing process with cold-rolled coil (including hard-rolled hard coil) or hot-rolled coil as substrate. Hot-dip galvanizing (HDG) technology is used to create a protective layer by immersing a steel strip into a bath of molten zinc. Hot-dip galvanized steel coils can be produced by continuous galvanizing lines with non-oxidizing annealing furnaces by applying wet or dry flux (the Cook-Norseman method and its modifications).
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Hot- or cold-rolled non-annealed (full-hard) steel coils are used as feedstock for continuous hot-dip galvanizing lines with non-oxidizing annealing furnaces. The production process involves electrochemically cleaning, drying and annealing the strip to obtain the required mechanical properties, followed by immersing the material into a bath of molten zinc and controlling zinc thickness.
Products Description
| Thickness | 0.13-1.0mm |
| Width | 750-1250mm we can slit the width as customer inquiry. |
| Standard | AISI, ASTM, BS, DIN, GB, JIS |
| Coil ID | 508-610mm |
| Hardness | Hard |
| Grade | DX51D, DX52D |
| Coating | AZ30-AZ200 |
| Applications | cutting sheets, making corrugated sheets, making container |
| Type | Steel Coil |
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Products Description
Galvanized steel sheet in coil the strip then undergoes forced cooling and finishing (passivation, oiling, levelling, drying and coiling the galvanized coil). When using lines that apply wet or dry flux, feedstock (before it is galvanized) should have the required set of mechanical properties since such lines do not have annealing furnaces. The strip is first degreased with an alkali solution and pickled in acid, following which a smooth layer of flux composed of a combination of zinc chloride, ammonia chloride and various additives is applied to the strip. The strip is then put into a strand furnace with a protective atmosphere, where the flux is dried, and is immersed into a bath of molten zinc.
| Thickness | 0.12-6.0mm |
| Width | 600-1500mm |
| Zinc Coating | 30~275G/M2 |
| Coil ID | 508 / 610MM |
| Grade | dx51d/dx52d |
| Standard | ASTM-A653; JIS G3302; EN10147; EN10326etc |
| Application | making pipes, cutting sheets, making small tools, making corrugated sheets, making container, making fences. |
| Type | Steel Coil |
The main advantage of galvanized steel is its corrosion resistance. The zinc coating serves as a barrier between the steel and the environment and will sacrifice itself in order to protect the underlying steel; Meaning the zinc will degrade much sooner than the steel itself. Additionally, it offers good process ability and formability.
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