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Colour Coated Sheet

Youcheng Technology: Your Leading Colour Coated Sheet Supplier in China!

Tianjin Youcheng Technology Co., Ltd. is a professional supplier of carbon steel, stainless steel, and coated steel products, serving customers in the construction, manufacturing, and infrastructure industries. Our products encompass steel coils, plates, pipes, and structural materials, offering comprehensive specifications and customization options.

Custom Production Capability
All products can be customized to your specifications, drawings, or project requirements in terms of size, grade, thickness, and surface treatment.

Reliable Quality Assurance
From raw materials to finished products, we implement rigorous inspection processes to ensure compliance with international standards and guarantee consistent batch quality.

Advanced Production Equipment
We possess state-of-the-art production equipment, such as high-precision resistance-welded pipe rolling mills, automated hot rolling mills, and intelligent non-destructive testing systems.

Wide Sales Regions
Our products are widely sold in the Middle East, South America, Southeast Asia, and other regions.

Introduction

Colour coated steel sheet, also known as pre‑painted steel, is a high‑performance steel product with protective and decorative coatings. It consists of a base steel substrate (usually cold‑rolled or galvanized) with polymer paint layers on one or both sides.

Specification Of Colour Coated Sheet

Tolerance	±1%
Zinc coating	30-275g/m2, according to customer's requirement
Certificate	JIS, ISO9001, API , BIS, Gs
Surface	Hot-dip Galvanized
RAL Color	Can be customized
Length	Customized(1-30t/coil)
Width	50cm-2.2m or as required
Technique	Hot-dipped galvanized

Features

Excellent Corrosion Resistance

Paint and base coatings protect steel from rust and environmental damage.

Good Formability

Suitable for bending, profiling, and roll forming without cracking.

Weather Resilience

PVDF and high‑performance coatings resist UV, humidity, and outdoor exposure.

Processing & Production Methods

To ensure product performance and fabrication flexibility, colour coated steel sheets are produced and processed using the following methods:

01/

Surface Pretreatment
The base steel is cleaned, de‑greased, and chemically treated to improve paint adhesion and corrosion resistance.

02/

Coating Application (Continuous Paint Line)
Automated painting systems apply primer and finish coats with precise control of thickness and quality.

03/

Curing and Baking
A controlled oven curing process ensures strong adhesion and coating hardness.

04/

Roll Forming
Sheets can be roll formed into profiles such as roofing, wall panels, purlins, and other construction shapes.

05/

Slitting & Cut‑to‑Length (CTL)
Steel coils can be slit to precise widths and cut to lengths required by your fabrication or assembly process.

06/

Embossing and Surface Structuring
Optional surface patterns for texture, anti‑fingerprint, or anti‑skid applications.

Customization Capability

We provide flexible supply solutions tailored to your project requirements:

Custom Sizes and Lengths

Coils can be slit and cut to requested widths and lengths.

Tailored Surface Finishes

Choice of paint systems (PE / SMP / PVDF) based on performance needs.

Quality Assurance

Strict quality control throughout manufacturing ensures consistent performance:

Pretreatment adhesion testing

Coating thickness & hardness measurement

Weather resistance testing (UV / salt spray)

Dimensional accuracy (flatness, thickness tolerance)

Mechanical property testing of base steel

Certificate

FAQ

Q: What thickness and coatings are available?

A: We offer 0.12 – 1.2 mm thickness with PE, SMP, PVDF, and high‑performance coatings.

Q: Can you cut sheets to project‑specific sizes?

A: Yes, slitting and cut‑to‑length are available.

Q: Which standards do your products comply with?

A: ASTM, EN, JIS, GB and export quality requirements.

Q: Do you provide test reports?

A: Yes, we can provide coating thickness, adhesion, and mechanical test reports.

Q: Can you supply multiple colours and coatings in one order?

A: Yes, we support mixed specifications for project shipments.

We're professional colour coated sheet manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to wholesale high-grade colour coated sheet for sale here from our factory.

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