Low Maintenance Color Steel Sheet - 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 Low Maintenance Color Steel Sheet
| Property | Parameter | Description |
|---|---|---|
| Product Name | Low Maintenance Color Steel Sheet | Pre-painted galvanized/galvalume steel sheet with durable color coating for long service life |
| Material Grade | SGCC, DX51D, S280GD, HDP280 | Equivalent to JIS G3302 SGCC, EN 10346 DX51D+Z, ASTM A653 CS Type B |
| Standard Compliance | ASTM A755, EN 10169, JIS G3312, GB/T 12754 | Meets international pre-painted steel coil and sheet standards |
| Chemical Composition (Base) | C ≤0.12%, Mn ≤0.60%, P ≤0.045%, S ≤0.045%, Si ≤0.50% | Low-carbon steel substrate ensuring formability and coating adhesion |
| Coating Type | PVDF, HDP, SMP, Polyester (PE) | PVDF and HDP coatings provide superior UV resistance and self-cleaning properties |
| Coating Thickness | Top coat: 20–25 μm; Primer: 5–7 μm; Back coat: 7–12 μm | Thicker PVDF/HDP top coat ensures low maintenance and extended color retention |
| Tensile Strength | 270–560 MPa (per EN 10346 / ASTM A653) | Varies by grade; S280GD min. 360 MPa, ensuring structural integrity |
| Yield Strength | ≥280 MPa (S280GD); ≥140 MPa (DX51D) | Adequate yield strength for roofing, cladding, and panel applications |
| Elongation | ≥16% (A80mm, per EN 10346) | Good ductility for roll-forming and bending without coating cracking |
| Base Metal Thickness | 0.30 mm – 1.50 mm | Custom thickness available; common roofing range 0.40–0.80 mm |
| Width | 600 mm – 1,250 mm | Standard coil width; slit-to-width service available upon request |
| Length / Form | Coil or cut-to-length sheet (1,000–6,000 mm) | Coil ID 508/610 mm; sheet length customizable per project requirement |
| Surface Finish | Smooth, embossed, or matte finish; RAL/custom color | Uniform color, anti-fingerprint, and dirt-resistant surface for minimal upkeep |
| Zinc/Zinc-Alloy Coating | Z60–Z275 g/m²; AZ50–AZ150 g/m² (Galvalume) | Hot-dip zinc or 55% Al-Zn alloy substrate for enhanced corrosion resistance |
| Application | Roofing, wall cladding, sandwich panels, garage doors, agricultural buildings | Ideal for industrial, commercial, and residential construction requiring low maintenance |
| Certification | ISO 9001, CE Marking, SGS, BV | Third-party inspection and quality management system certified |
| Packaging | Coil wrapped in waterproof paper + steel strip; sheets in wooden pallet | Export-standard packaging to prevent transit damage and moisture ingress |
| MOQ | 5 Metric Tons per color/specification | Mixed specifications negotiable for trial orders |
Low Maintenance Color Steel Sheet - Mill Direct Supplier
Low maintenance color steel sheet is the material of choice for architects, contractors, and industrial developers who demand long-lasting performance with minimal upkeep costs. Also known as pre-painted galvanized steel or PPGI sheet, this product features a factory-applied polymer coating bonded directly to a zinc-protected steel substrate, delivering a surface that resists fading, chalking, and corrosion for decades under real-world conditions. Compared to conventional bare steel or field-painted alternatives, color steel sheet dramatically reduces lifecycle maintenance expenditures, making it a cost-effective solution across roofing, wall cladding, home appliances, and commercial building envelopes. As a mill-direct supplier, we offer a full palette of RAL and custom colors, consistent batch-to-batch color uniformity, and strict quality control at every production stage — ensuring that each coil or sheet you receive meets your exact project specifications and performance expectations.

What is Low Maintenance Color Steel Sheet?
Low maintenance color steel sheet is a composite flat-rolled product consisting of a cold-rolled or hot-dip galvanized steel base coated with one or more layers of organic polymer paint — typically polyester, silicone-modified polyester (SMP), or polyvinylidene fluoride (PVDF). The multi-layer coating system provides self-cleaning properties, UV resistance, and outstanding anti-corrosion properties, eliminating the need for periodic repainting and reducing on-site finishing labor significantly over the product's service life.
Low Maintenance Color Steel Sheet Manufacturing Process
Production begins with cold-rolled or galvanized steel coils that undergo alkaline degreasing, chromate-free passivation, and primer application in a continuous coil-coating line running at speeds up to 120 m/min. A topcoat — ranging from standard polyester to premium PVDF — is then applied and cured in a precisely controlled oven at 230–260 °C (PMT), achieving a dry film thickness of 15–25 µm for the topcoat and 5–7 µm for the primer. The finished coil is inspected for adhesion, pencil hardness (≥ 2H), and T-bend flexibility before shipment.
Low Maintenance Color Steel Sheet Technical Specifications
Our color steel sheet is manufactured to meet ASTM A755, EN 10169, and JIS G 3312 standards. Key parameters include: base steel thickness of 0.13–1.5 mm; coil width of 600–1,250 mm; zinc coating weight of Z60–Z275 (g/m²); tensile strength of 280–550 MPa depending on grade; yield strength of 250–500 MPa; and elongation ≥ 20%. Coating options span standard polyester (25-year color warranty), SMP, and PVDF with a 60° gloss retention of ≥ 80% after 10 years of outdoor exposure per ASTM D523.

Get a Competitive Quote for Low Maintenance Color Steel Sheet
Ready to source premium low maintenance color steel sheet at mill-direct rates? Our team provides fast, transparent quotations tailored to your volume, color, coating grade, and delivery schedule — helping you optimize both material quality and project budget from day one.

- 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!