SPCC Color Steel Coil

SPCC is a cold-rolled steel grade conforming to Japan’s JIS G3141 standard, featuring a smooth surface, precise dimensions, and no coating. SPCC color-coated steel coils, however, refer to products made from SPCC cold-rolled steel as the base material. These undergo hot-dip galvanizing (or electrogalvanizing) to form a corrosion-resistant base layer, followed by surface pretreatment and application of an organic coating that is then cured to create the final color-coated steel product.

Specifications

Can SPCC be Used Directly as the Substrate for Color Steel Coils?

While paint can be roller-coated onto SPCC surfaces, its corrosion resistance is extremely poor. If used in outdoor construction, rust spots will appear within months. However, it is suitable for temporary fencing, interior partitions, and other applications with no lifespan requirements.

Some manufacturers offer color-coated steel coils at prices significantly below market rates to attract customers. These coils are likely coated directly onto cold-rolled steel sheets. Therefore, when purchasing color-coated steel coils, avoid solely chasing low prices; instead, thoroughly understand the entire production process.

How to Identify Cold-Rolled Steel Color-Coated Coils

• Inquire about key parameters from the manufacturer: Does the substrate have a coating? What type of coating is it? What is the coating weight?
• Inspect cut edges: A silver-white or grayish-white edge indicates a coating presence. An iron-gray edge signifies SPCC cold-rolled steel plate.

White color steel coils are being rolled

Raw materials for color steel coils

Procurement Recommendations

• If your application involves non-dry indoor environments, verify the substrate and coating details of the color-coated steel coil.
• When requesting quotes, exercise caution if a supplier’s offer is significantly below market averages. Always follow up and obtain written confirmation of the “substrate coating type and coating weight/code.”

We recommend purchasing color-coated steel coils from reputable manufacturers like Wanzhi Steel. With over 14 years of production and export experience, we serve loyal customers worldwide. Our business philosophy centers on integrity and cooperation—we produce exactly what is specified in the contract to ensure product quality.

Advantages of SPCC Color-Coated Steel Coils

• Superior Formability: SPCC exhibits high elongation and excellent forming capability, enabling effortless fabrication of complex structures like arcs and waves.
• Exceptional Decorative Effects: Cold-rolled steel surfaces are smooth with high color fidelity, available in matte, glossy, orange peel, and crinkle finishes.
• Wide Application Adaptability: Precisely suited for diverse environments—from dry interiors to humid exteriors—ensuring optimal product matching.

Red PPGI Roll Production

PPGL Coil

Applications of SPCC Color-Coated Steel Coils

The application of SPCC color-coated steel coils depends entirely on whether the substrate surface is coated. Coated versions are suitable for outdoor use, while uncoated versions are commonly used indoors or for temporary fencing projects. Common application scenarios include:

• Construction: Roofing and walls for industrial plants/warehouses, bus shelters, sound barriers, etc.
• Home Appliances: Refrigerator side panels, washing machine housings, air conditioner indoor unit covers, microwave enclosures, sterilizer cabinet panels, etc.
• Interior Decoration: Shopping mall ceilings, hotel partitions, accent walls, wardrobe doors/storage cabinets, etc.
• Facilities: File cabinets, storage lockers, work countertops, shelving, server racks, electrical distribution boxes, control cabinets, etc.
• Transportation: Container side panels, box truck bodies, etc.

Construction Use

Containers

Wanzhi Steel: China’s Leading Color-Coated Steel Coil Manufacturer

We are a professional manufacturer of color-coated steel coils in China, with over 14 years of production experience. Our factory is located in Boxing County, Binzhou City, Shandong Province, China. Equipped with three color-coated steel coil production lines, we can produce color-coated steel coils in various specifications and standards.

Wanzhi Factory Workshop

Wanzhi Factory

Additionally, we possess diverse processing equipment, including slitting lines, shearing machines, and forming presses, enabling us to transform color-coated steel coils into products such as color-coated steel strips, color-coated flat steel sheets, and color-coated profiled sheets. For any requirements related to color-coated steel, please contact us.

Leveraging extensive production and export expertise, we have successfully exported to 120 countries including Saudi Arabia, Russia, UAE, Brazil, Lebanon, Spain, Chile, Colombia, South Africa, Libya, Iran, and Kazakhstan.

Wanzhi Steel’s lovely customers and friends

Integrity remains our core business principle. Our products hold multiple certifications including ISO 9001, ISO 14001, and CE. Trust our product quality and service—we aim to become your long-term partner.