G550 Pre-painted Galvanized Steel Coil For Building Materials
Product Description:
Huiyi G550 Pre-painted Galvanized Steel Coil is engineered specifically for demanding building material applications. Featuring a high-strength G550 steel base and a robust painted coating (PVDF/HDP/SMP), this coil delivers exceptional structural integrity, superior flatness, and enhanced resistance to weathering and corrosion. It is manufactured for excellent formability without compromising strength, with thicknesses ranging from 0.35mm to 1.2mm and a wide selection of RAL colors. This product is the optimal choice for structural components, modern architectural systems, and high-performance building envelopes.
Product Parameters:
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Brand Name
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Huiyi-PPGI |
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Standard
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AISI, ASTM, DIN, GB, JIS
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Surface
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Pre-painted (PVDF/HDP/SMP options)
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Zinc coating
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Z30-275g/m2
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color
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Ral Color
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Inner Diameter
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508mm-610mm
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Outer Diameter
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800mm-1500mm
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Application
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Building Materials,Automotive Manufacturing,Electrical Appliances,Roofing
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Applications:
- Structural Building Components
Ideal for high-strength roofing decks, floor panels, structural wall systems, and industrial partitions where superior load-bearing capacity is required. - Architectural Cladding & Facades
Used for modern building facades, composite panels, and curtain wall systems, offering long-term color stability and weather resistance for iconic structures. - Industrial & Commercial Construction
Perfect for warehouse roofing and siding, airport terminals, and large-span commercial buildings, providing durability and reduced maintenance costs. - Specialized Building Products
Suitable for fire-resistant panels, insulated sandwich panels, and sunshade louvres, meeting specific performance standards for advanced architectural designs.
Packing and Shipping:
Each G550 steel coil is protected with a multi-layer, waterproof plastic wrapping and reinforced with edge guards and heavy-duty steel straps. Our packaging is specifically designed to prevent damage during long-distance sea freight, ensuring the material arrives on-site with perfect flatness and an unblemished surface.
FAQ:
Q1: What is the main advantage of the G550 grade?
A: The G550 grade offers a minimum yield strength of 550 MPa, providing exceptional structural strength while allowing for lighter gauges to be used, leading to material savings and cost efficiency in building designs.
Q2: Can this product be formed and profiled on-site?
A: Yes, our G550 Pre-painted Coil offers excellent formability and is designed to be compatible with standard roll-forming and bending equipment used in the construction industry.
Q3: How does the weather resistance perform in harsh environments?
A: With top-tier PVDF or HDP coatings, this coil provides outstanding resistance to UV rays, salt spray, and industrial pollutants, ensuring long-term performance and color retention in coastal or harsh climatic zones.
Q4: Do you offer technical support for specific project requirements?
A: Absolutely. Our technical team can provide support regarding load tables, spanning capabilities, and best practices for installation to ensure optimal performance in your specific building application.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


