Usage

Galvanized Steel Coil (GSC), with its zinc coating's anti-corrosion properties and processing adaptability, is widely used in the following sectors:

1. Construction Sector

Core Applications:

· Roofing & Wall Cladding:
Used for industrial plants, prefabricated housing components, corrugated roofs, and balcony railings. Its corrosion resistance (50% longer service life than standard steel plates) and lightweight properties significantly reduce maintenance costs.

· Structural Components:
Light steel keels, ventilation ducts, rolling shutters, etc. Zinc layers are enhanced by passivation or oiling processes to withstand high humidity or industrial pollution

.Technical Advantages:

· Roof slope design minimizes debris accumulation, extending lifespan

· Surface flatness (e.g., smooth spangle GZ) supports subsequent color coating, making it the preferred substrate for color-coated plates

2. Automotive Manufacturing

Core Applications:

· Body & Chassis:
Door panels, engine hoods, and frame components require high yield strength (≥270 MPa) and tensile strength (≥350 MPa)

· Corrosion-Resistant Parts:
Exhaust pipes and fuel tanks utilize alloyed galvanizing (e.g., DC53D+Z) to achieve salt spray resistance (≥96 hours without rust)

Technical Highlights:

· Ultra-deep drawing grades (e.g., SC) enable complex stamping with elongation ≥30%

3. Home Appliances & Electronics

Core Applications:

· Housings & Structural Parts:
Refrigerator back panels, AC housings, and washing machine control panels meet appearance standards with fingerprint-resistant finishes (e.g., SECC-N)

· Heat Dissipation Components:
Used in LED backlight modules and microwave cavities, combining conductivity and electromagnetic shielding

Processing Advantages:

· Direct welding and painting without pretreatment (Dyne pen test ≥38 dyn/cm)

4. Agricultural & Industrial Equipment

Core Applications:

· Weather-Resistant Facilities:
Greenhouse pipes, grain silos, and dryers benefit from zinc's corrosion resistance (3–6× lifespan vs. standard steel)

· Functional Components:
Heat exchangers and chemical containers use hot-dip galvanized (SGCC) processes for thermal stability (≤315°C)

Cost Efficiency:

· 1/3 the cost of stainless steel, ideal for large-scale agricultural infrastructure

5. Other Industrial Sectors

· Transportation Infrastructure:
Highway guardrails, subway station canopies, and ship bulkheads combine aesthetics with salt spray resistance

· Renewable Energy:
Solar mounting systems and PV frames use zinc-aluminum coatings (e.g., Galvalume®) for outdoor durability

· Food & Medical:
Conveyor belts and shelves meet food safety standards with lead-free, smooth surfaces