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Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Coil & Strip > Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169 thumbnail-3

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169 thumbnail-4

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169 thumbnail-5

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169 photo-1

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169 photo-2

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169 photo-3

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169 photo-4

Steel Coil & Strip & Color Coated Coil，GB/T 12754-2019、ASTM A755、EN 10169 photo-5

Negotiable MOQ: 5 Metric Tons (Price negotiable depending on order volume and customization)

Key Specifications

Get Latest Price

Business Type:

Manufacturer

Year Established:

2024

Factory Size:

3,000-5,000 square meters

Contact Supplier Request Quote Chat Now

Shandong Shoukun Metal Materials Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

Qingdao port，Shanghai port,Tianjin port

Delivery Detail:

7 days

Product Details
Company Profile
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Color Coated Coil Product Specification

Color coated coil (also known as color steel coil) is produced by taking galvanized or galvalume steel coil as base material, through continuous chemical pretreatment, roller coating with organic paint and high-temperature baking and curing. It features light weight, high strength, excellent corrosion resistance, attractive appearance and good workability, widely used in construction, home appliances and other industrial fields.

1. Structure & Base Material

1.1 Base Substrate

Hot-dip Galvanized Steel (GI): Mainstream substrate. Double-sided zinc coating: 80-275g/㎡. Cost-effective, suitable for inland dry and ordinary industrial environments.
Hot-dip Galvalume Steel (GL): Alloy coating composed of 55% aluminum, 43.4% zinc and 1.6% silicon. Its corrosion resistance is 2-5 times that of galvanized steel, ideal for coastal areas and slightly corrosive environments.
Zinc-Aluminum-Magnesium Steel (ZAM): New high-corrosion-resistant substrate with excellent self-healing performance and longer service life.
Common Grades: DC51D, DX51D, SGCC, S350GD, S550GD, etc., meeting different strength requirements.

1.2 Coating Layer

The metal coating isolates the base steel from air and provides cathodic protection to prevent rusting. Available types: galvanized (Z), galvalume (AZ), zinc-aluminum-magnesium (ZM) with customizable coating weight.

1.3 Paint Coating

Standard coating structure: 2/1 (two coats on top, one coat on back) or 2/2 (two coats on both sides). Total film thickness: 15-25μm for top side, no less than 5μm for back side.

Polyester (PE): Good processability, cost-efficient. Weather resistance: 5-10 years. For ordinary workshops and warehouses.
Silicon Modified Polyester (SMP): High hardness and anti-fouling property. Weather resistance: 10-15 years. For urban buildings and commercial venues.
High Durability Polyester (HDP): Outstanding UV resistance. Weather resistance: 15-20 years. For outdoor fully exposed applications.
Polyvinylidene Fluoride (PVDF): Top-grade weatherability, acid & alkali resistance and anti-aging performance. Service life over 20 years. For high-end coastal projects and public buildings.
Self-cleaning Coating (HPC): Hydrophobic surface for automatic cleaning by rainwater, low maintenance requirement.

2. Main Technical Parameters

Thickness: 0.12-6.0mm (Common range: 0.3-1.5mm), customizable
Width: 600-1250mm (Common size: 1000mm / 1200mm), customizable
Coil Weight: 3-5 tons, slitting available as requested
Color: Standard colors include sea blue, light grey, brick red, off-white. Custom colors per RAL color card or samples are acceptable.
Surface Finish: Smooth, embossed, anti-static, antibacterial, etc.
Execution Standards: GB/T 12754-2019, ASTM A755, EN 10169

3. Production Process

Uncoiling → Degreasing & Cleaning → Chemical Conversion Treatment → Primer Coating → Baking → Topcoat Coating → Curing → Cooling → Inspection → Slitting & Packaging

4. Product Advantages

Superior Corrosion Resistance: Dual protection of metal coating and paint film, service life 1.5-3 times longer than ordinary galvanized steel.
Rich Decoration: Various colors and surface textures, no secondary painting required.
Excellent Workability: Easy to shear, bend, roll form and punch for roof panels, wall panels and corrugated sheets.
High Cost Efficiency: Factory pre-coating saves on-site painting work, labor cost and later maintenance.
Eco-friendly: Harmless raw materials, no formaldehyde, fully recyclable.

5. Application Fields

Construction Industry: Roof panels, wall claddings, partition walls for factories, warehouses, stadiums, stations, prefab houses and steel structure buildings.
Home Appliances: Outer casings and internal parts of refrigerators, washing machines, air conditioners and microwave ovens.
Transportation: Containers, refrigerated vehicles, truck carriages and train interior linings.
Other Uses: Advertising boards, furniture, ventilation ducts, agricultural greenhouses and storage racks.

6. Packaging & Delivery

Packaging: Standard moisture-proof package with anti-rust paper, waterproof plastic film and steel strapping to avoid scratch and rust during transit.
Lead Time: 7-15 days for standard specifications; 15-25 days for customized colors and sizes.
Documents Provided: Mill test certificate, coating inspection report and relevant quality certifications.

7. Selection Guide

Inland ordinary environment: GI substrate + PE coating
Coastal / slightly corrosive area: GL substrate + SMP / HDP coating
Chemical & heavily corrosive environment: ZAM substrate + PVDF coating
High-end architectural projects: GL substrate + PVDF coating for long-term service