Prepainted galvanized steel, commonly known as PPGI coil or painted GI steel, is a high-performance building material. It consists of a galvanized steel substrate coated with a durable layer of paint on one or both sides. This process combines the strength and corrosion resistance of galvanized steel with the aesthetic appeal and additional protection of a colored or patterned finish. As a leading prepainted steel manufacturer in China, ChinaCNU Steel produces premium PPGI for global construction and industrial projects, offering superior durability, color consistency, and design flexibility.
Product Specifications
Our prepainted galvanized steel is manufactured to exacting standards, ensuring reliable performance for a wide range of applications. Below are the detailed specifications for our standard PPGI coil products.
| Grade | Thickness (mm) | Width (mm) | Zinc Coating (g/m²) | Standard |
|---|---|---|---|---|
| DX51D, DX52D, DX53D | 0.12 – 1.2 | 600 – 1250 | 60 – 275 | ASTM A653, EN 10346, JIS G3302 |
| S280GD, S350GD | 0.3 – 1.0 | 800 – 1200 | 100 – 180 | EN 10346 |
| SGCC, SGCH | 0.15 – 0.8 | 700 – 1100 | 60 – 120 | JIS G3302 |
Applications
Prepainted galvanized steel is a versatile material used across numerous industries due to its strength, corrosion resistance, and aesthetic qualities. Key applications include:
- Building & Construction: Roofing and wall cladding for warehouses, factories, and commercial buildings.
- Architectural Panels: Decorative facades, ceiling panels, and interior partitions.
- Home Appliances: Casings for refrigerators, washing machines, air conditioners, and microwave ovens.
- Transportation: Interior linings and components for trailers, caravans, and shipping containers.
- Furniture & Storage: Office partitions, lockers, shelving units, and cabinet doors.
- Industrial Equipment: Covers, housings, and machinery guards requiring a protective, colored finish.
Why Choose ChinaCNU Steel
Selecting the right supplier for your prepainted galvanized steel is crucial for project success. Here’s why global buyers trust ChinaCNU Steel as their prepainted steel manufacturer in China:
- Direct Factory Source: We are a professional steel factory based in Qingdao, China, with over 15 years of export experience, ensuring competitive pricing and quality control.
- International Certifications: Our production is certified to ISO 9001 standards, and our materials are SGS inspected, guaranteeing consistent quality and reliability.
- Flexible Order Quantities: We support both large and mid-size projects with a manageable Minimum Order Quantity (MOQ) of 25 tons.
- Reliable Lead Time: We maintain an efficient supply chain, offering a production and delivery lead time of 15 to 25 days for most orders.
- Secure Export Packing: All PPGI coils are packed with waterproof wrapping and secured with steel straps on wooden pallets to prevent damage during ocean freight to over 50 countries.
- Global Export Expertise: We have extensive experience shipping to Africa, the Middle East, Southeast Asia, and South America, handling all export documentation smoothly.
PPGI/GI Pricing
The price for prepainted galvanized steel varies based on specifications such as steel grade, thickness, zinc coating weight, paint system, and color. As a factory, ChinaCNU Steel offers highly competitive FOB Tianjin pricing. We provide transparent quotes tailored to your exact requirements. For the most accurate and up-to-date pricing, please contact us for a free quote with your detailed specifications, and our sales team will respond within 24 hours.
FAQ
Here are answers to some of the most common questions about our prepainted galvanized steel coils.
What is the difference between PPGI and regular galvanized steel?
PPGI (Prepainted Galvanized Steel) is galvanized steel that has undergone an additional coil coating process where layers of paint (primer and topcoat) are applied. This provides extra corrosion protection, UV resistance, and a wide range of colors, whereas regular GI steel has only the zinc coating for protection and a standard metallic appearance.
What paint systems and colors are available for your painted GI steel?
We offer standard Polyester (PE), Silicon Modified Polyester (SMP), and Polyvinylidene Fluoride (PVDF) paint systems. We provide a wide selection of standard RAL colors and can also develop custom colors to meet specific project requirements for architectural cladding or appliance manufacturing.
What is the typical lead time for a 40-foot container of prepainted steel?
For a standard 40-foot container order, the typical lead time from order confirmation to being ready for shipment FOB Tianjin is between 15 and 25 days, depending on the product specifications and our current production schedule.
Do you provide technical support for choosing the right PPGI coil specification?
Yes, absolutely. Our technical sales team can help you select the optimal steel grade, zinc coating, and paint system based on your application’s environmental conditions and performance requirements, such as for coastal area construction or industrial roofing.
Get Factory Price for Prepainted Galvanized Steel
Send us your specs and get a free FOB Tianjin quote within 24 hours.