Hot Dip Galvanized Steel Coil Z180
Hot dip galvanized steel coil Z180 is a high-end metal material processed by hot-dip plating. Its zinc layer weight reaches 180g/m². It has strong anti-corrosion performance and mechanical strength. It is widely used in construction, automobile manufacturing, home appliances, power facilities and industrial equipment.
As the "protective armor" in modern industry, the Z180 model has become a popular choice in the purchase list of domestic and foreign customers due to its balanced cost-effectiveness and long life characteristics.
Material and coating: Z180 means the weight of double-sided zinc layer is 180g/m², which is a hot-dip galvanized sheet with medium zinc layer thickness. Common materials include DX51D+Z (standard structural steel) and SGCC (Japanese standard galvanized sheet).
| Thickness | 0.3mm to 3.0mm. |
|---|---|
| Width | 600mm-1500mm. |
| Surface treatment | conventional zinc spangle/no zinc spangle (customizable). |
|---|---|
| Zinc layer weight | 180g/m² |
Production Process
Alkaline degreasing: Use alkaline solution to remove oil and impurities on the surface of the steel coil to ensure the cleanliness of the base material.
Hydrochloric acid pickling: Use a hydrochloric acid solution with a concentration of 15%-20% to dissolve the oxide scale and rust. After pickling, rinse twice to remove the residual acid.
Plating treatment: Immerse in zinc ammonium chloride solution to form an activated film, enhance the bonding strength of the zinc liquid and the steel base, and prevent oxidation.
Drying: Dry for more than 150 seconds at 120-200℃ to avoid splashing of zinc liquid during subsequent zinc dipping.
Application
Building field
Light steel structure: hot dip galvanized steel coil Z180 is used to manufacture low-rise building frames, light steel thin-walled structures and sandwich panels.
Roof and wall materials: including metal roof tiles, profiled panels, entrance door cladding and gypsum board fasteners.
Infrastructure: hot dip Gi coil Z180 is used for culvert pipes, elevator shaft linings and earthquake-resistant house structures.
- Automotive and transportation industry
Body parts: hot dip Gi steel coil Z180 is used for the manufacture of external and internal body parts, taking into account the requirements of lightweight and corrosion resistance.
Railway transportation: manufacturing public transportation body covers (such as buses and trams) and track support structures.
- Machinery and manufacturing industry
Equipment shell: manufacturing shells of electrical equipment, household appliances (washing machines, refrigerators) and solar equipment.
Industrial containers: corrosion-resistant lining materials for chemical equipment, pressure vessels and water tanks.
GNEE STEEL's qualifications
GNEE STEEL participated in the exhibition
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