Color Coated Steel Coil
Color coated steel coil is produced by applying one or more layers of organic coating to hot-dip galvanized, galvalume, or electro-galvanized steel substrates after surface pretreatment, then baking and solidifying the coating. The result is a lightweight, corrosion-resistant material with a durable, attractive finish that can be processed directly without additional surface treatment. Jialu stocks color coated steel
- Pre-coated surface eliminates need for secondary painting or coating, reducing fabrication time and cost
- Corrosion resistance from zinc or aluminum-zinc coating combined with organic topcoat extends service life
- Multiple hardness levels allow selection based on forming or structural requirements
- RAL color customization enables precise match to design specifications without additional painting
Mill certificates issued against the ordered grade and standard. Third-party inspection available on request.
What This Material Is For
Color coated steel coil is produced by applying one or more layers of organic coating to hot-dip galvanized, galvalume, or electro-galvanized steel substrates after surface pretreatment, then baking and solidifying the coating. The result is a lightweight, corrosion-resistant material with a durable, attractive finish that can be processed directly without additional surface treatment. Jialu stocks color coated steel coil across multiple standards and grades, so a project requiring building cladding, appliance panels, or furniture components does not need to source from separate galvanizing, coating or coil mills. The coil is available in multiple thicknesses, widths, hardness levels and custom RAL colors, all on one order and one shipment.
Why Buyers Choose It
- Pre-coated surface eliminates need for secondary painting or coating, reducing fabrication time and cost
- Corrosion resistance from zinc or aluminum-zinc coating combined with organic topcoat extends service life
- Multiple hardness levels allow selection based on forming or structural requirements
- RAL color customization enables precise match to design specifications without additional painting
- Single-source procurement for coating, galvanizing and coil processing reduces supplier coordination
Where It Is Used
- Building envelope and roofing systems in commercial and industrial construction using RAL 7035, 7016 or 7037
- Appliance and electrical housing production requiring durable, clean surfaces in white, gray or black
- Furniture manufacturing where appearance and scratch resistance are critical
- Transportation and trailer body panels exposed to outdoor conditions
- Advertising and signage panels needing consistent color and weather resistance
- Interior decoration and partition systems in high-traffic environments
Who It Is For
- Building material suppliers sourcing cladding and roofing for commercial projects
- Appliance manufacturers needing ready-to-form panels for washing machines, refrigerators and ovens
- Furniture fabricators requiring corrosion-resistant, aesthetically consistent panels
- Transportation equipment builders for trailer, truck and rail car body components
- Signage and advertising companies requiring color-matched, weather-resistant panels
Problems It Solves
- Splitting coil sourcing across galvanizing, coating and rolling mills, which multiplies inspection dates and shipment schedules
- Inconsistent color or coating thickness when buying from multiple suppliers
- Delays due to secondary coating or painting after fabrication
- Mismatched corrosion performance when using uncoated steel in outdoor or humid environments
- Difficulty in matching RAL color codes across different material suppliers
Technical Features
- Coating types include polyester, silicon-modified polyester, polyvinyl chloride plastisol, and polyvinylidene chloride, selected for environmental exposure
- Substrate options: hot-dip galvanized, galvalume, and electro-galvanized steel sheets
- Zinc coating options: G40, G60, G90, Z40-275G/M², or customized
- Aluminum-zinc coating: AZ150G/M², or customized
- Material grades: G250, G450, G550, or customized
- Thickness range: 0.12 to 6.0 mm
- Width range: 600 to 1500 mm
- Coil inside diameter: 508 mm or 610 mm
- Hardness levels: soft hard (HRB60), medium hard (HRB60–85), full hard (HRB85–95)
- Color options: RAL color or custom color matching
Grades Standards And Size Range
Values below come from the published product data. Anything not listed is confirmed per enquiry.
| Standards | ASTM-A653, JIS G3302, EN10147 |
|---|---|
| Material Grades | G250, G450, G550 |
| Zinc Coating | G40, G60, G90, Z40-275G/M² |
| Aluminum-Zinc Coating | AZ150G/M² |
| Coating Types | Polyester, silicon-modified polyester, PVC plastisol, PVDC |
| Thickness Range | 0.12 ~ 6.0 mm |
| Width Range | 600 ~ 1500 mm |
| Coil Inside Diameter | 508 mm, 610 mm |
| Coil Weight | 3 ~ 5 tons |
| Hardness Levels | Soft hard (HRB60), medium hard (HRB60–85), full hard (HRB85–95) |
| Color Options | RAL color, or customized |
Materials
- Hot-dip galvanized steel sheet as base material for general corrosion resistance
- Galvalume steel sheet with aluminum-zinc coating for enhanced weathering performance
- Electro-galvanized steel sheet for thinner coatings and smoother surface finish
- Polyester and modified polyester coatings for cost-effective outdoor durability
- PVC plastisol and PVDC coatings for high chemical and abrasion resistance
Manufacturing Route
Quality Control
- Chemical and mechanical property checks on base steel against specified grade
- Coating thickness and adhesion tested using non-destructive methods
- Color matching verified against RAL or customer-provided sample
- In-house inspection carried out before packaging
- Third-party inspection available on request
- Mill certificates issued per order, including coating type, thickness and standard
Customisation Options
- Custom RAL color matching available upon request
- Coating type and thickness selected based on environmental exposure
- Hardness level specified at order stage to suit forming or structural use
- Coil dimensions (width, thickness, inside diameter) tailored to customer needs
- Packaging adjusted for shipping method and destination port requirements
- OEM service accepted for branded packaging or labeling
How It Compares With The Alternatives
| Uncoated galvanized steel coil | Color coated coil eliminates need for secondary painting, reducing fabrication steps and labor cost, but costs more per tonne |
|---|---|
| Pre-painted steel from a separate coating line | Jialu’s integrated process ensures consistent coating quality and reduces coordination risk across multiple suppliers |
| Cold-rolled steel with post-coating | Color coated steel coil has better adhesion and durability due to in-line curing, while post-coating may suffer from uneven application or delamination |
Buying Guide
- Start with the application environment—outdoor, indoor, chemical exposure—to select the appropriate coating type
- Specify the required RAL color or sample at the time of enquiry to ensure accurate matching
- Define hardness level based on forming method: soft for deep drawing, full hard for structural use
- Include coil dimensions (thickness, width, inside diameter) in the order to avoid supply delays
- Request third-party inspection if the project requires certification or audit compliance
Questions About Color Coated Steel Coil
What standards do you supply color coated steel coil to?
ASTM-A653, JIS G3302, EN10147, and others upon request.
Can I get custom RAL colors?
Yes. Custom RAL color matching is available upon request.
What coating types are available?
Polyester, silicon-modified polyester, PVC plastisol, and polyvinylidene chloride (PVDC).
What hardness levels do you offer?
Soft hard (HRB60), medium hard (HRB60–85), and full hard (HRB85–95).
Can you supply different coil sizes?
Yes. Thickness: 0.12–6.0 mm, width: 600–1500 mm, inside diameter: 508 mm or 610 mm.
Do you accept OEM orders?
Yes. OEM service is accepted for packaging, labeling, and branding.
What payment terms and currencies do you accept?
L/C, T/T, PayPal, and credit card, in USD, CAD, AUD, SGD, EUR, or RMB.
Others Buy These On The Same Order
Industries Solutions And Guides
Get Color Coated Steel Coil Quoted
Send the grade, size and quantity. Availability, price and lead time come back per line item.