Color Coated Steel Plate

Your Professional Color Coated Steel Plate Supplier！

Shandong SDEE Steel Co., Ltd. relies on Shandong Shengde Daye New Materials Technology Co., Ltd., which also serves as our production base. So far, SDEE Steel has three major production bases and warehouses located in China, Saudi Arabia, and Indonesia.

PPGI Steel Plate
PPGI Steel Plate is supplied with organic color coating on galvanized steel substrate for durable corrosion resistance and elegant decorative appearance. It is widely used for architectural decoration, household appliance manufacturing,...
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PPGL Steel Plate
PPGL Steel Plate is supplied with organic color coating on aluminum-zinc (galvalume) steel substrate for superior corrosion resistance and long-lasting decorative performance. It is widely used for high-end architectural decoration,...
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Pre Painted Galvalume Sheet
Pre Painted Galvalume Sheet is supplied with high-quality organic color coating on the aluminum-zinc (galvalume) substrate, featuring superior corrosion resistance and elegant decorative effect. It is widely used for high-end...
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Why Choose Us

Quality Control

SDEE Steel enforces comprehensive quality control throughout production and holds internationally recognized certifications, ensuring every steel coil complies with global performance and durability standards.

Customized Processing

We offers comprehensive processing services, including cut-to-length, slitting, and forming based on customer specifications. Support for customized designs, specifications, and packaging to meet personalized requirements.

Sales Market

Our products have been sold to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Middle East, Eastern Asia, Western Europe.

Overview: Color Coated Steel Plate

Color coated steel plate (often called pre-coated steel) is a metal sheet—usually cold-rolled or galvanized steel—that has a layer of organic paint or polymer film applied to its surface in a continuous coil-coating process. It combines the structural strength of steel with the aesthetic and anti-corrosive properties of paint.

Product Specification

We offers the following product specifications：

Colors	Top/Back：RAL，Painted steel，3D Painted steel, etc(can be customized)
Thickness	0.12-1.5 mm
Width	600-1250mm/ customized
Coil Weight	3-6 tons/ customized
Substrate Type	Hot dip galvanized, Galvalume, Zinc alloy, Cold rolled steel, Aluminum-zinc plated steel，Zimalium
Zinc Coating Thickness	Z30-275g/ ㎡,AZ30-150g/ ㎡
Introduction to Coating	PVDF、HDP、SMP、PE
Coating Thickness	Top ：10-40 um，Back：5-20 um
Inside diameter	508/610mm
Package	Standard export package or as per your requirements
Certificates	SGS, ISO 9001,CE
Date of Delivery	5-45 days

Product advantages

Corrosion resistance

The zinc coating effectively prevents rusting, while the colored coating further protects against environmental factors.

Aesthetics

Colored galvanized steel sheets are available in a variety of colors and surface finishes, which can enhance the visual appeal of any structure or product.

Durability

These panels are designed to withstand harsh weather conditions, making them ideal for outdoor applications.

Wide Range of Applications

Color-coated galvanized steel sheets can be used in a variety of industries, including construction, automotive, and manufacturing.

Material of Color Coated Steel

Cold rolled steel substrate

Cold rolled steel plate coated with paint, corrosion resistance is general, currently less used.

GI substrate

Cold rolled steel or hot rolled steel surface through hot-dip galvanized or electro-galvanized zinc coating process, and then in the galvanized steel outside the coating, to increase the corrosion resistance.

GL substrate

The surface of cold rolled steel plate or hot rolled steel plate is plated with a galvalume alloy coating through the electroplating process, and then coated with paint on the outside, which has better corrosion resistance.

Application

Construction

Used in roofing, wall cladding, and facades. For example, residential buildings often feature color coated steel for durability and aesthetic appeal, reducing maintenance costs over time.

Automotive

Applied in vehicle panels and accessories, offering corrosion resistance and customizable colors that enhance vehicle aesthetics and longevity.

Appliances

Used in refrigerators, washing machines, and other household appliances, where durability and visual appeal are essential.

Packaging

Employed in packaging materials that require strength and corrosion resistance, such as food cans and containers.

Industrial Equipment

Utilized in manufacturing machinery enclosures and storage tanks that need weather resistance and visual branding.

Production Process

The whole unit includes the following four parts: Inlet section, pretreatment section, coating section, and outlet section.

Entrance section: Including uncoiling, shearing, seaming and material storage loopers, etc., the function is to loosen the raw material coils and connect them, so as to continuously and uniformly supply metal sheets to the unit.

Pretreatment section: Clean the bottom plate to remove dust and impurities to improve corrosion resistance and adhesion to the upper paint film.

Coating section: It is the core part of the whole unit. It usually adopts a two-coating and two-baking process in which both sides are coated at the same time. Depending on the requirements of the product, it can also be coated with only one coating and one baking or only on one side.

Export section: The product is divided into rolls, or cut into single sheets according to the required size.

Service & Support

Customization: Tailored dimensions, coatings, and packaging.

Technical Assistance: On-site guidance for installation and fabrication.

Quality Assurance: Mill test certificates and third-party inspections available.

After-Sales Warranty: Up to 25 years against perforation corrosion (terms apply).

Global Logistics: Reliable shipping and doorstep delivery worldwide.

Package & Delivery

We use robust, weather-resistant packaging to protect Galvalume Roofing Sheets during transportation and storage, preventing damage from moisture, impact, or friction:

Base Support
Sturdy wooden pallets (heat-treated to meet international shipping standards like ISPM 15) elevate the sheets off the ground, avoiding moisture absorption from floors.

Moisture Protection
Each stack of sheets is wrapped in moisture-proof kraft paper to block water vapor and prevent oxidation of the aluminum-zinc coating.

Edge Protection
Hard plastic corner guards are installed at the four edges of each sheet stack to prevent dents, creases, or coating damage during handling and transit.

Waterproof Wrapping
Heavy-duty waterproof plastic film fully covers the entire stack, providing comprehensive protection against rain, snow, and humidity during shipping.

Reinforcement
Galvanized steel straps are tightly fastened around the packaged stack to secure the sheets in place, preventing shifting or separation during transportation.

Clear Labeling
Each package is labeled with detailed information, including product specifications (thickness, width, length, coating type), batch number, production date, and destination-facilitating easy tracking, inventory management, and customs clearance.

Certificates

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FAQ

Q: What is a color coated steel plate?

A: A color coated steel plate is a pre-painted steel product manufactured by applying organic coatings onto galvanized or Galvalume steel substrates. It combines corrosion resistance, aesthetic appearance, and mechanical strength, making it suitable for a wide range of architectural and industrial applications.

Q: What are the common applications of color coated steel plates?

A: Color coated steel plates are widely used in roofing systems, wall cladding, prefabricated buildings, household appliances, sandwich panels, ceiling systems, and commercial construction projects. Their durability and decorative finish make them highly versatile.

Q: What coating systems are available for color coated steel plates?

A: Common coating systems include PE (Polyester), SMP (Silicone Modified Polyester), HDP (High-Durability Polyester), and PVDF (Polyvinylidene Fluoride). Each coating type offers different levels of weather resistance, UV protection, and durability depending on the application environment.

Q: How long does a color coated steel plate typically last?

A: Service life depends on the coating type, coating thickness, and environmental conditions. Under normal conditions, high-quality color coated steel plates can provide 15–30 years of performance with minimal maintenance.

Q: Can color coated steel plates be customized?

A: Yes. Customization options include color selection based on RAL standards, surface finish, coating thickness, steel grade, dimensions, and protective film application. Customized solutions are commonly provided for project-specific requirements.

Q: What are the advantages of using color coated steel plates?

A: Color coated steel plates offer excellent corrosion resistance, attractive appearance, lightweight performance, easy installation, and low maintenance costs. They also provide consistent color finish and strong weather resistance for long-term outdoor use.

Q: Are color coated steel plates suitable for outdoor applications?

A: Yes. With appropriate coating systems such as SMP or PVDF, color coated steel plates can withstand UV exposure, moisture, temperature fluctuations, and harsh weather conditions, making them ideal for exterior construction applications.

Q: What thickness range is available for color coated steel plates?

A: Standard thicknesses generally range from 0.20 mm to 1.2 mm, with widths commonly available between 600 mm and 1,250 mm. Custom dimensions can also be supplied according to customer specifications.

Q: What quality standards do your color coated steel plates comply with?

A: Our products can be manufactured according to international standards such as ASTM, EN, JIS, and GB standards. Mill test certificates and third-party inspection services are available to ensure product quality and compliance.

Q: How does PPGL compare to PPGI?

A: PPGL (Pre-Painted Galvalume) offers superior corrosion and heat resistance compared to PPGI (Pre-Painted Galvanized Iron), especially in harsh environments.

Q: Can sheets be curved for arched roofs?

A: Yes, our sheets can be cold-curved to specified radii during installation.

Q: What is the typical delivery time?

A: 15-25 days after order confirmation, depending on quantity and customization.

Q: How to maintain the sheets?

A: Rinse with water periodically; avoid abrasive cleaners. Inspect seals and fasteners annually.

Q: Minimum order quantity?

A: 25 tons for standard products.

Q: Can you supply pre-cut blanks?

A: Yes, we offer sheeting and blanking services.

Q: How is the surface protected during processing?

A: A temporary protective film can be applied upon request.

As one of the leading color coated steel plate manufacturers and suppliers in China, we warmly welcome you to buy discount color coated steel plate for sale here from our factory. All customized products are with high quality and competitive price. Contact us for free sample.

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