Industrial Color Coating Processing - 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 Industrial Color Coating Processing
| Property | Parameter | Description |
|---|---|---|
| Product Name | Industrial Color Coating Processing | Pre-painted / color-coated steel coil and sheet with protective organic coating applied via continuous coil coating line |
| Base Material Grade | DX51D, DX52D, DX53D (EN 10346); SGCC, SGCD (JIS G3302); CS-B, FS-B (ASTM A653) | Hot-dip galvanized, galvalume (55% Al-Zn) or cold-rolled steel substrate; international equivalent grades available |
| Standard Compliance | EN 10169, ASTM A755/A755M, JIS G3312, GB/T 12754 | Covers continuous organic coating on flat-rolled steel; coating adhesion, flexibility and corrosion resistance requirements |
| Chemical Composition (Substrate) | C ≤ 0.12%, Mn ≤ 0.60%, P ≤ 0.045%, S ≤ 0.045%, Si ≤ 0.50% | Typical values for DX51D/SGCC base; exact composition varies by substrate grade and supplier mill certificate |
| Tensile Strength | 270–500 MPa (substrate dependent) | DX51D: 270–500 MPa per EN 10346; SGCC: ≥ 270 MPa per JIS G3302; final value confirmed on mill test report |
| Yield Strength | 140–420 MPa | DX51D: ≤ 300 MPa (soft grade); structural grades (S280GD, S350GD): 280–420 MPa per EN 10346 |
| Elongation | ≥ 22% (A80mm) | DX51D/SGCC general commercial quality; higher elongation grades (DX53D ≥ 30%) available for deep-drawing applications |
| Coating Type | PVDF, SMP, HDP, Polyester (PE), Epoxy, Primer + Finish coat | Top coat + primer system; PVDF offers superior UV and weather resistance; PE is standard economy option |
| Coating Thickness | Top coat: 15–25 µm; Primer: 5–7 µm; Back coat: 5–15 µm | Total dry film thickness measured per ASTM D1400 / EN ISO 2808; custom thickness available on request |
| Zinc / Metallic Coating Mass | Z60–Z275 g/m² (both sides); AZ50–AZ150 g/m² (galvalume) | Per EN 10346 / ASTM A653; heavier zinc coating improves corrosion barrier beneath organic coating |
| Dimension Range | Thickness: 0.20–1.50 mm; Width: 600–1,500 mm; Coil OD: ≤ 2,000 mm; Sheet length: 1,000–6,000 mm | Slit coil and cut-to-length sheet available; tolerance per EN 10143 or ASTM A924/A924M |
| Surface Finish & Color | RAL / Pantone custom color; gloss level 10–85 GU (60°); smooth, embossed or matte finish | Color measured per EN ISO 11664; gloss per EN ISO 2813; pencil hardness ≥ 2H (ASTM D3363) |
| Application | Roofing, wall cladding, garage doors, home appliances, HVAC ducts, automotive interior panels, storage racks | Suitable for construction, white goods and light industrial fabrication requiring decorative and corrosion-resistant surface |
| Certification | ISO 9001:2015, CE Marking (EN 10169), RoHS compliant, SGS / BV third-party inspection available | Mill test certificate (MTC) per EN 10204 3.1 supplied with each shipment; REACH compliance on request |
| Packaging | Coil: steel-banded with moisture-proof paper and wooden pallet; Sheet: wooden pallet with steel strapping | Export seaworthy packaging standard; inner eye protection ring and outer waterproof wrapping included |
| MOQ | 25 MT per color/specification | Mixed colors accepted within one 20' FCL (≈ 25 MT); sample order (≥ 500 kg) negotiable for new customers |
Industrial Color Coating Processing - Mill Direct Supplier
Industrial Color Coating Processing represents a critical value-added steel manufacturing service that transforms base metal substrates into high-performance, aesthetically refined, and durability-enhanced materials suited for demanding end-use environments. As a mill-direct supplier, we deliver precision-coated steel coils and sheets engineered to meet the most rigorous international standards, including ASTM A755, EN 10169, and JIS G3312. Our industrial color coating processing lines apply premium-grade organic coatings — including polyester (PE), high-durability polyester (HDP), polyvinylidene fluoride (PVDF), and silicon-modified polyester (SMP) — onto hot-dip galvanized or Galvalume substrates. The resulting prepainted steel serves critical roles in construction roofing, wall cladding, home appliance manufacturing, automotive components, and industrial equipment enclosures. With coating thicknesses precisely controlled between 5 μm and 35 μm per layer, our products consistently deliver outstanding anti-corrosion properties, UV resistance exceeding 10 years of outdoor exposure, and surface hardness ratings of 2H or above per pencil hardness testing.

What is Industrial Color Coating Processing?
Industrial Color Coating Processing is a continuous coil coating operation in which steel or aluminum substrates undergo chemical pretreatment, primer application, topcoat application, and thermal curing in a controlled inline process. The result is a uniformly coated flat-rolled product with precisely engineered surface properties, including controlled gloss levels ranging from 10 to 85 GU (gloss units), consistent color matching per RAL or Pantone standards, and enhanced formability for downstream fabrication.

Industrial Color Coating Processing Manufacturing Process
The manufacturing process begins with substrate decoiling and surface cleaning through alkaline degreasing and chromate-free passivation pretreatment, ensuring optimal coating adhesion. A primer coat of 5–8 μm is applied via precision roll coaters and cured at peak metal temperatures (PMT) of 215–232°C. The topcoat layer, ranging from 15–25 μm depending on specification, is subsequently applied and cured at PMT between 220–240°C, followed by forced air cooling and recoiling. The entire inline process operates at speeds up to 120 meters per minute, ensuring consistent throughput and uniform film build across full coil widths up to 1,600 mm.
Industrial Color Coating Processing Technical Specifications
Our industrial color coating processing products are available across the following technical parameters: base substrate thickness from 0.15 mm to 1.50 mm; coil width from 600 mm to 1,600 mm; total dry film thickness (DFT) of 20–35 μm for standard exterior grade; salt spray resistance exceeding 1,000 hours per ASTM B117; T-bend formability rated at 0T–2T with no cracking; and adhesion performance of Grade 0 per cross-cut tape test (ISO 2409). Coating systems include PE, SMP, HDP, and PVDF, with PVDF grades offering fluorocarbon content ≥70% for superior weatherability.
Get a Competitive Quote for Industrial Color Coating Processing
Partner with our mill-direct team to access cost-effective industrial color coating processing solutions tailored to your project specifications. We offer rapid quotation turnaround, flexible order quantities, and full technical support from coating selection through final delivery — ensuring your procurement process is seamless and efficient.
- 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!
