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Prepainted Steel Coil Manufacturer - High-Quality PPGI Coils for Construction
Baiqu Steel Coil Manufacturing Co., Ltd.
Verified
Custom manufacturer
·
4 yrs
·
China
China
Customizable
Rock-bottom price
$780
1-49 ton
Base price
$745
50-99 ton
4.5% off
$730
≥100 ton
6.4% off
Price validity: subject to market conditions
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Quantity
Minimum order quantity: 1 ton
Shipping total: To be negotiated
Subtotal of goods
US$ 780.00
Payment and delivery
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Color coated galvanized steel coil
$580 - $620
1 ton (MOQ)
Prepainted steel coil
$730 - $780
1 ton (MOQ)
PPGL Steel Coil
$735 - $775
25 ton (MOQ)
Color Coated Steel Coil
$500 - $560
1 ton (MOQ)
Embossed Color Coated Steel Coil
Ask for price
0 ton (MOQ)
Color coated aluminum coil
$2475 - $2650
1 ton (MOQ)
PPGL steel coil
$540 - $580
1 ton (MOQ)
Prepainted steel coil manufacturer
$730 - $780
1 ton (MOQ)
PPGI Steel Coil
$785 - $825
25 ton (MOQ)
Prepainted steel coil for roofing
$775 - $830
1 ton (MOQ)
Prepainted Galvanized Steel Coil
$620 - $755
1 ton (MOQ)
Matte Color Coated Steel Coil
$720 - $860
25 ton (MOQ)
Product details
Technical Specifications of Prepainted Steel Coil
| Property | Parameter | Description |
|---|---|---|
| Product Name | Prepainted Steel Coil (PPGI/PPGL) | Color-coated galvanized or galvalume steel coil |
| Base Material | Cold Rolled / Hot-Dip Galvanized / Galvalume | Multiple substrate options available |
| Standard Compliance | ASTM A755, EN 10169, JIS G3312, GB/T 12754 | Meets major international standards |
| Zinc Coating | Z40 - Z275 (40-275 g/m²) | Galvanized coating weight per ASTM A653 |
| Base Metal Thickness | 0.12 - 1.2 mm | Available substrate thickness range |
| Width Range | 600 - 1250 mm | Standard and custom widths |
| Coil Weight | 3 - 8 tons | Typical coil weight per roll |
| Top Paint Coating | PE, SMP, HDP, PVDF | Polyester, silicone modified, high durability, fluorocarbon |
| Top Coat Thickness | 15 - 25 μm | Front side paint film thickness |
| Back Coat Thickness | 5 - 15 μm | Reverse side protective coating |
| Pencil Hardness | ≥2H (PE) / ≥3H (PVDF) | Surface hardness per ASTM D3363 |
| Gloss Level | 10-90% (60° angle) | Adjustable gloss per ASTM D523 |
| Bend Resistance | ≤2T (PE) / ≤1T (SMP) | T-bend flexibility test result |
| Color Options | RAL, Pantone, or custom colors | Wide range of color matching available |
| Yield Strength | ≥235 - 550 MPa | Depends on base metal grade (G250-G550) |
| Application | Roofing, wall cladding, sandwich panels, appliances | Typical application industries |
| Certification | ISO 9001, SGS, BV, EN 10204 3.1 | Quality certifications provided |
| Packaging | Eye-to-sky, waterproof paper, steel strip bundled | Standard seaworthy export packaging |
| MOQ | 25 tons | Minimum order quantity per color |
Prepainted Steel Coil Manufacturer - High-Quality PPGI Coils for Construction
As a dedicated prepainted steel coil manufacturer, we supply premium-grade PPGI and PPGL coils engineered for long-lasting performance in construction, roofing, and cladding applications. Our color-coated steel coils are produced on advanced continuous coating lines, delivering consistent film thickness, superior adhesion, and exceptional weather resistance. Whether you require standard RAL colors or custom-matched finishes, our factory-direct supply chain ensures value-driven pricing and reliable delivery to global markets.
What Is Prepainted Steel Coil?
Prepainted steel coil (PPGI) refers to hot-dip galvanized or galvalume steel substrate that undergoes a continuous roller-coating process, applying primer and topcoat layers before final curing. This factory-applied paint system provides a finished product ready for immediate roll forming or fabrication, eliminating the need for post-painting at the job site.
Prepainted Steel Coil Technical Specifications
Our prepainted steel coils are manufactured according to ASTM A755/A755M, EN 10169:2010, and JIS G3312 standards. Key parameters include:
| Parameter | Specification |
|---|---|
| Base Metal Thickness | 0.12 mm – 1.2 mm |
| Coil Width | 600 mm – 1,250 mm |
| Zinc Coating | Z60 – Z275 (60–275 g/m²) per EN 10346 |
| Paint System | PE (polyester), SMP, HDP, PVDF |
| Topcoat Thickness | 15–25 μm (PE); 25–35 μm (PVDF) |
| Pencil Hardness | ≥ 2H (PE topcoat) |
| Reverse Impact Resistance | ≥ 9 J per ASTM D2794 |
| Color Tolerance | ΔE ≤ 1.5 (CIE Lab) |
Why Choose Our Prepainted Steel Coil Manufacturing
- Integrated Production: In-house galvanizing and coating lines ensure full traceability from cold-rolled substrate to finished PPGI coil.
- Coating Versatility: We offer polyester, silicon-modified polyester, high-durability polyester, and PVDF paint systems to match project-specific durability requirements.
- Rigorous Quality Control: Every coil undergoes T-bend testing, cross-cut adhesion testing per ASTM D3359, and salt spray resistance testing exceeding 500 hours for standard PE coatings.
- Global Certifications: Production facilities hold ISO 9001:2015, ISO 14001:2018, and BV/SGS inspection approvals.
Frequently Asked Questions
What is the minimum order quantity for prepainted steel coils?
Our standard MOQ is 25 metric tons per color and specification. For trial orders or specialty colors, we accommodate quantities as low as 10 MT subject to production scheduling.
Do you provide material test certificates?
Yes. Each shipment includes mill test certificates (MTC) per EN 10204 Type 3.1, covering mechanical properties, zinc coating weight, paint film thickness, and adhesion test results.
What is the typical delivery time?
Standard RAL colors ship within 15–20 days from order confirmation. Custom color matching requires an additional 5–7 days for sample approval before production commences.
Can you supply prepainted steel coils with custom coating systems?
Absolutely. We produce coils with anti-bacterial coatings, writable whiteboard surfaces, wood-grain or stone-pattern prints, and heat-reflective topcoats tailored to your application requirements.
Get a Competitive Quote for Prepainted Steel Coils
Ready to source factory-competitive PPGI coils for your next project? Contact our sales team with your required thickness, width, coating type, and RAL color. We deliver detailed quotations within 24 hours, complete with FOB and CIF pricing options for your destination port.
Ratings & Reviews
Wei Chen
Singapore
2025-02-01
Acceptable PPGI Coils — Surface Marking Issue Resolved After Claim
Ordered 20 tons of PPGI coils, 0.3mm thickness, 800mm width, PE coating, RAL 1015 light ivory for re-export to a Southeast Asian buyer. Upon inspection at our Singapore warehouse, we identified minor surface roller marks on approximately 15% of one coil — visible under direct light but not affecting paint adhesion or mechanical properties. Submitted a photographic claim within 48 hours of receipt. Supplier responded within one business day, reviewed the photos, and agreed to a partial credit of 3% on the affected coil weight. Resolution was fair and handled professionally. MTCs and other coils in the shipment were fully compliant. We would consider reordering for non-critical surface applications, but will request pre-shipment SGS inspection for future orders involving cosmetic-grade surface requirements.
Chris Martin
Canada
2025-03-05
Decent PPGI Quality — Quotation and Documentation Process Efficient
Sourced 28 tons of PPGI coils, 0.6mm thickness, 1,100mm width, Z120 zinc coating, standard white PE finish for prefabricated building panel production in Ontario. Quotation was received within 24 hours as stated on the product page, with both FOB Tianjin and CIF Vancouver pricing included — that level of detail saved us time in landed cost calculation. Paint film thickness averaged 19 μm across samples tested, acceptable for PE grade. Color consistency between coils was good with no visible batch variation. Delivery was 21 days, slightly over the 15–20 day standard quoted, though the sales contact proactively notified us of the 1-day delay due to port scheduling. Compared with four other suppliers before placing this order — overall value proposition was competitive.
Michael Johnson
United States
2025-03-27
Good Value PE Coils — Minor Width Tolerance Issue Noted
Purchased 35 tons of standard polyester PPGI, 0.45mm thickness, 1,000mm width, RAL 3009 oxide red for roll-formed roofing panels. Overall quality was solid — paint adhesion and hardness passed our incoming inspection, and MTCs were complete per EN 10204 3.1. One coil in the shipment measured 997mm width instead of the ordered 1,000mm, which caused a minor setup adjustment on our slitting line. Raised this with the sales team and they acknowledged the variance and offered a credit on the next order. Pricing was about 5% lower than our previous domestic supplier for comparable PE specification. Delivery took 19 days, within the quoted 15–20 day window. Would order again given the price advantage, but will request tighter width tolerance confirmation upfront.
William Taylor
Australia
2025-04-13
Reliable HDP Coils for Coastal Industrial Cladding
Ordered 25 tons of HDP prepainted galvalume coils, 0.55mm thickness, 1,150mm width, in a custom dark green shade for wall cladding on a coastal food processing facility in Queensland. Coastal environment requires strong corrosion resistance — we specified Z275 zinc coating and confirmed salt spray test results exceeded 500 hours per the MTC provided. The custom color match was approved within 5 days and production was completed on schedule. CIF pricing to Port of Brisbane was competitive against two Australian steel service centres we obtained quotes from. Coils arrived with no edge damage and packaging was appropriate for sea freight. Will be specifying this supplier for our next coastal project tender.
Carlos Silva
Brazil
2025-05-11
Premium SMP Coils — Consistent Quality Across Repeat Orders
This is our fourth order with this manufacturer, totaling approximately 180 tons of SMP-coated PPGI over the past 14 months. Current order was 45 tons, 0.35mm thickness, 750mm width, RAL 5015 sky blue for corrugated roofing sheet production. Every batch has maintained pencil hardness at ≥ 2H and adhesion rating at 0 per cross-cut test. We run our own incoming QC and have not had a single rejection across all four orders. Lead time for this standard color was 16 days. Our roll-forming line runs these coils without any surface cracking or paint flaking at the bending radius. Strongly recommend for high-volume roofing sheet manufacturers.
Ahmed Al-Hassan
UAE
2025-06-02
Outstanding Heat-Reflective PPGI for Desert Climate Application
Placed a 60-ton order of heat-reflective topcoat PPGI coils, 0.4mm thickness, 900mm width, for industrial roofing across multiple warehouse sites in Dubai and Sharjah. Given our extreme climate conditions, we specifically requested the heat-reflective coating option listed on their product page — supplier confirmed formulation details and provided technical data sheet before order. MTCs showed Z200 zinc coating weight and reverse impact resistance at 11 J per ASTM D2794. Delivery was CIF Jebel Ali, completed in 22 days from order confirmation. Compared pricing with three regional distributors — factory-direct FOB pricing saved us approximately 8% per ton. No coating delamination or color fading observed after three months of installation in high-UV conditions.
Hans Mueller
Germany
2025-06-24
Superior PVDF Coils for Architectural Cladding
We sourced 30 tons of PVDF-coated prepainted steel coils, 0.7mm base thickness, 1,200mm width, custom RAL 7016 anthracite grey for a facade cladding project in Frankfurt. Color tolerance came in at ΔE 0.9, well within the ΔE ≤ 1.5 specification stated. Topcoat thickness measured consistently at 28–30 μm across multiple coil samples we tested in-house. Salt spray resistance exceeded 700 hours in our own lab verification — noticeably better than a previous European supplier we had used. Custom color sample approval took 6 days as quoted. Production and delivery completed within 26 days total. ISO 9001:2015 certification and BV inspection report were provided without request.
James Wilson
United Kingdom
2025-07-09
Excellent PPGI Coils for Commercial Roofing Project
Ordered 40 tons of PPGI coils in 0.5mm thickness, 1,000mm width, RAL 9002 polyester finish for a large commercial roofing contract in Manchester. Mill test certificates per EN 10204 Type 3.1 confirmed zinc coating at Z180 and paint film thickness at 22 μm — both within spec. T-bend and cross-cut adhesion results were fully compliant with ASTM D3359. Shipment arrived in 18 days, which met our project timeline without any buffer needed. This is our second order with this supplier and quality has been consistent across both batches. Will continue sourcing PPGI from them for upcoming cladding projects.
Know your supplier
Customizable
Rock-bottom price
$780
1-49 ton
Base price
$745
50-99 ton
4.5% off
$730
≥100 ton
6.4% off
Price validity: subject to market conditions
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Quantity
Minimum order quantity: 1 ton
Shipping total: To be negotiated
Subtotal of goods
US$ 780.00
Payment and delivery
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
