Glossy Color Coated Steel Coil - Mill Direct Supplier
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Glossy Color Coated Steel Coil
| Property | Parameter | Description |
|---|---|---|
| Product Name | Glossy Color Coated Steel Coil | High-gloss pre-painted steel coil with polymer coating on galvanized or galvalume substrate |
| Material Grade | DX51D, DX52D, DX53D (EN); SGCC, SGCD (JIS); CS-B, FS-B (ASTM) | Equivalent grades: Q195, Q235, SPCC; substrate options include GI, GL, and EG |
| Standard Compliance | EN 10169, ASTM A755, JIS G3312, GB/T 12754 | Meets international pre-painted steel coil standards for building and industrial use |
| Chemical Composition | C ≤0.12%, Mn ≤0.60%, P ≤0.045%, S ≤0.045%, Si ≤0.50% | Base metal composition; substrate zinc coating: Z60–Z275 g/m²; AZ50–AZ150 for galvalume |
| Tensile Strength | 270–500 MPa | Varies by substrate grade; DX51D ≥270 MPa per EN 10346 |
| Yield Strength | 140–420 MPa | DX51D: 140–300 MPa; higher grades available for structural applications |
| Elongation | ≥16%–28% | DX53D achieves ≥28% elongation for deep drawing applications |
| Thickness Range | 0.14 mm – 1.50 mm | Base metal thickness; total thickness including coating typically +0.02–0.05 mm |
| Width Range | 600 mm – 1,500 mm | Custom slit widths available; standard widths: 914 mm, 1000 mm, 1219 mm, 1250 mm |
| Coil Weight | 3–10 MT per coil | Inner diameter: 508 mm or 610 mm; outer diameter up to 1,500 mm |
| Surface Finish | High Gloss (60°–85° gloss unit); PE, PVDF, SMP coating | Top coat: 15–25 μm; primer: 5–7 μm; back coat: 7–12 μm; RAL color system available |
| Coating Performance | Pencil Hardness ≥2H; T-bend ≤2T; Salt Spray ≥500 hrs | UV resistance, weather resistance, and anti-corrosion per EN 13523 test methods |
| Application | Roofing, wall cladding, home appliances, garage doors, signage, interior decoration | Widely used in construction, HVAC, automotive trim, and consumer electronics panels |
| Certification | ISO 9001, SGS, BV, CE, RoHS | Third-party inspection available; mill test certificate (MTC) provided per EN 10204 3.1 |
| Packaging | Eye-to-sky or eye-to-wall; waterproof paper + steel strip strapping | Moisture-proof inner wrapping; wooden pallet or steel cradle for export shipment |
| MOQ | 25 MT per order | Mixed colors and specifications accepted; sample coils available upon request |
Glossy Color Coated Steel Coil - Mill Direct Supplier
Glossy color coated steel coil represents one of the most versatile and visually distinctive steel products available in today's construction and manufacturing markets. Engineered with a high-gloss polymer coating applied over a galvanized or galvalume substrate, this product delivers an eye-catching reflective surface combined with robust structural performance. It finds extensive application in roofing panels, wall cladding systems, home appliances, garage doors, and interior decoration components. The coating not only enhances aesthetic appeal but also provides outstanding anti-corrosion properties, shielding the base metal from moisture, UV radiation, and chemical exposure. Manufacturers across Asia, Europe, and North America increasingly specify glossy color coated steel coil for projects where both durability and design flexibility are essential. As a mill-direct supplier, we offer a comprehensive palette of colors, consistent coating thickness, and reliable batch-to-batch quality that meets international standards including ASTM A755, EN 10169, and JIS G3312.
What is Glossy Color Coated Steel Coil?
Glossy color coated steel coil is a pre-painted flat-rolled steel product characterized by a smooth, high-gloss topcoat — typically polyester (PE) or high-durability polyester (HDP) resin — applied to a cold-rolled, hot-dip galvanized (GI), or galvalume (GL) base strip. The gloss level typically measures between 60 and 90 GU (gloss units) at a 60° angle, delivering a mirror-like finish that distinguishes it from standard matte or satin coated alternatives. It serves critical roles in architectural, appliance, and industrial fabrication sectors.
Glossy Color Coated Steel Coil Manufacturing Process
Production begins with surface pre-treatment — degreasing, chromate or chrome-free passivation, and a primer coat application — on a continuous coil coating line. The glossy topcoat resin is then applied via precision roll coaters and cured in a high-temperature oven at approximately 220–240°C peak metal temperature (PMT). A protective back coat is simultaneously applied to the reverse side. The finished coil undergoes tension leveling, inspection, and slitting to customer-specified widths before dispatch. Total dry film thickness (DFT) typically reaches 18–25 µm for the topcoat layer.
Glossy Color Coated Steel Coil Technical Specifications
Our glossy color coated steel coil is available across the following standard parameters:

- Base Material: GI (Z60–Z275 g/m²) or GL (AZ50–AZ150 g/m²)
- Steel Grade: DX51D, DX52D, DX53D per EN 10346; SGCC, SGCD per JIS G3302
- Thickness: 0.20 mm – 1.50 mm (±0.02 mm tolerance)
- Width: 600 mm – 1,250 mm (slit widths available upon request)
- Coil Weight: 3 – 8 MT per coil
- Topcoat Type: Polyester (PE) / High-Durability Polyester (HDP)
- Gloss Level: 60–90 GU at 60° (ASTM D523)
- Dry Film Thickness: Primer 5–8 µm + Topcoat 18–25 µm
- Pencil Hardness: ≥ HB (ASTM D3363)
- T-Bend: 0T–2T (no cracking)
- Color Options: RAL standard palette + custom color matching available
- Tensile Strength: 270–560 MPa depending on base steel grade
All coils are tested for adhesion (cross-cut test per ASTM D3359), salt spray resistance (≥ 500 hours per ASTM B117), and color consistency (ΔE ≤ 1.0 per batch) before shipment.

Get a Competitive Quote for Glossy Color Coated Steel Coil
Whether you require standard stock dimensions or custom-slit glossy color coated steel coil for a specialized application, our mill-direct supply chain ensures cost-effective pricing without compromising on quality. Share your specifications — thickness, width, color code, and quantity — and our technical team will respond with a tailored offer within 24 hours.
- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
Contact us today to get your free quote within 24 hours!
