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Z30-Z275 CGLCC Prepainted Galvalume Steel Coil For Building Industry
Product Details:
| Place of Origin: | China |
| Brand Name: | HUIYI-PPGL |
| Certification: | SGS, BV, ISO9001 |
| Model Number: | CGLCC |
| Document: | HUIYI CATALOGUE (PDF).pdf |
Payment & Shipping Terms:
| Minimum Order Quantity: | 25 tons each thickness |
|---|---|
| Price: | negotiated |
| Packaging Details: | Standard exporting package.wrapped with waterproof paper.Then high density PE film.Then after fully covered with iron sheet |
| Delivery Time: | 20-35days |
| Payment Terms: | L/C,T/T,D/P |
| Supply Ability: | 50000 tons per year |
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Detail Information |
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| Material: | ASTM A653 | Coating Type: | PE/PVDF/HDP |
|---|---|---|---|
| Coil Id: | 508/610mm | Thickness: | 0.2-1.5mm |
| Width: | 600-1500mm | Zinc Coating: | 30-275g/m2 |
| Paint Thickness: | Top: 10-25μm ；Back: 5-8μm | Application: | Construction Industry, Roofing |
| Highlight: | Z30-Z275 prepainted galvalume steel coil,CGLCC steel coil for building,PPGL steel coil with warranty |
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Product Description
Z30-Z275 CGLCC Prepainted Galvalume Steel Coil For Building Industry
HUIYI Z30-Z275 CGLCC prepainted steel coils represent a specialized advancement in building material technology. Engineered with a significantly heavier zinc-aluminum coating (Z30 to Z275 g/m²), this product is specifically formulated to deliver exceptional long-term corrosion resistance and structural longevity for the building industry. It is the optimal choice for projects in demanding environments where material failure is not an option, providing a robust protective barrier that outperforms standard coated coils.
Technical Specifications
| Brand Name | Huiyi |
|---|---|
| Material | CGLCC |
| Top Paint | PE/PVDF/HDP |
| Color | Ral & Custom Colors |
| Thickness Range | 0.2mm - 1.5mm |
| Coil ID | 508mm / 610mm |
| Coil Weight | 3-8 Tons |
| Processing Service | Building, Construction materials, Roll forming, Cutting, Bending, Perforating |
Key Applications
- Industrial & Commercial Building Envelopes: Primary material for wall and roof cladding on factories, warehouses, and agricultural buildings requiring extreme durability.
- Structural & Sandwich Panels: Used as the exterior skin in insulated sandwich panels, where the heavy coating ensures performance over decades.
- Critical Infrastructure Components: Suitable for roofing and siding on transportation hubs, utility buildings, and processing plants.
- High-Wear Architectural Elements: Used for gutters, downpipes, flashing, and other building accessories where corrosion resistance is paramount.
Packing and Shipping
Each coil is protected with VCI anti-rust paper, reinforced kraft paper, and waterproof PE film. Edges are secured with PP edge guards and steel strapping to prevent coating damage. For export, coils are mounted on ISPM15-certified wooden pallets or crated. All shipments include detailed, waterproof labels with coating mass (Z-value), specifications, and batch traceability. Desiccant bags are standard for all international shipments.
FAQ
What does "Z30-Z275" specifically mean for my building project?
The "Z" number indicates the total coating mass in grams per square meter (g/m²) on both sides of the steel. Z275, for example, offers over 9 times the zinc-aluminum coating of a standard Z27 product, providing exponentially better galvanic protection, which is crucial for building longevity.
Is this coil suitable for coastal or high-humidity building sites?
Absolutely. This is a primary application. The heavy Galvalume coating (Z60 and above) offers exceptional resistance to salt spray corrosion, making it a preferred choice for coastal resorts, port facilities, and buildings in tropical climates.
Can we use this for structural framing or load-bearing elements?
While it offers superior corrosion protection for structural components, the CGLCC substrate is commercial quality. It is perfect for cladding and panels. For primary load-bearing frames, a structural-grade steel specification should be consulted alongside this coated product.
How does the pricing compare to standard PPGI or lighter-coated CGLCC?
Due to the higher consumption of zinc-aluminum alloy, the Z30-Z275 series commands a premium over standard coatings. However, for building projects where lifecycle cost, maintenance budgets, and failure prevention are calculated, it delivers a far superior Return on Investment (ROI) and is more cost-effective than standard-grade materials in the long term.
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