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Help CenterPrepainted Steel Coil With 12-25 Microns Top Coat PE for Industrial Door Manufacturing
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Hemaokang Steel (Shandong) Co., Ltd. is proud to offer our Prepainted Steel Coil with 12-25 Microns Top Coat PE for Industrial Door Manufacturing. As a reliable supplier established in 2025 with an annual export value between US$50 million and US$100 million, we combine modern production capabilities with a customer-centric approach. Our prepainted steel coils are specifically engineered to meet the demanding requirements of industrial door production, delivering excellent corrosion resistance, consistent color, and superior formability. With ISO9001 certification and a global shipping network from Qingdao port, we ensure that every coil meets stringent quality standards before reaching your workshop.
Our prepainted steel coil features a high-performance polyester (PE) top coat with a thickness ranging from 12 to 25 microns, providing a balanced combination of durability and cost-effectiveness. The base metal is hot-dip galvanized steel, which offers robust protection against rust and environmental factors. This product is ideal for manufacturing sectional doors, rolling doors, and other industrial door components where both aesthetics and functionality are critical.
Key Features & Advantages
- Consistent Coating Thickness: The PE top coat is precisely controlled at 12-25 microns, ensuring uniform color and gloss across the entire coil surface.
- Excellent Adhesion: Advanced pretreatment and coating technology guarantee strong adhesion between the paint and the metal substrate, preventing peeling or chipping during forming and bending.
- Superior Corrosion Resistance: The galvanized base layer combined with the PE top coat provides effective protection against moisture, chemicals, and UV radiation, extending the service life of industrial doors.
- Flexible Formability: The steel coil can be easily cut, punched, rolled, and bent without cracking or damaging the coating, accommodating complex door profiles.
- Wide Color Range: Available in a variety of standard and custom RAL colors, allowing door manufacturers to match specific branding or architectural requirements.
- Environmental Compliance: Our production process uses eco-friendly materials and adheres to international environmental standards, ensuring safe use in various markets.
Technical Specifications
| Parameter | Value |
|---|---|
| Base Metal | Hot-dip Galvanized Steel (DX51D, SGCC, etc.) |
| Top Coat Thickness | 12 - 25 microns (PE) |
| Total Coating Thickness | 20 - 40 microns (optional) |
| Steel Thickness | 0.2 - 2.0 mm (customizable) |
| Coil Width | 600 - 1250 mm (customizable) |
| Coil Inner Diameter | 508 mm or 610 mm (optional) |
| Coil Weight | 3 - 10 tons per coil |
| Color | Customizable per RAL or sample |
| Standard | ISO9001 |
Benefits for Industrial Door Manufacturing
- Enhanced Durability: The 12-25 micron PE top coat resists scratching, fading, and chalking, ensuring doors maintain their appearance and performance over time.
- Cost-Effective Solution: By optimizing the coating thickness, we balance protection and material cost, making it suitable for high-volume production without compromising quality.
- Simplified Production Process: The pre-painted surface eliminates the need for post-painting, reducing labor, paint waste, and drying time in your manufacturing line.
- Consistent Quality: Every coil is tested for adhesion, hardness, and color consistency before shipment, minimizing defects during door assembly.
- Global Logistics Support: With our main port of shipment in Qingdao and experience serving markets across North America, South America, Europe, Asia, Africa, and Oceania, we can deliver efficiently to your location.
Why Choose Hemaokang Steel?
Since our establishment in 2025, we have rapidly grown to an annual export value of US$50 million to US$100 million, serving a diverse range of industrial clients worldwide. Our team of 51-100 dedicated employees ensures that every order is handled with precision and care. Backed by ISO9001 certification, our production processes are audited regularly to maintain consistent quality. We offer flexible customization options, including color matching, special coating thickness, and different base metal grades, to meet your specific door manufacturing needs. Our sales team is available to provide technical support, sample requests, and competitive pricing. Contact us today to discuss your requirements and request a quotation.
Frequently Asked Questions (FAQ)
-
Q: What is the minimum order quantity (MOQ) for this prepainted steel coil?
A: Our standard MOQ is 20 tons per specification, but we can accommodate smaller trial orders upon request. Please contact our sales team for details. -
Q: Can you provide color samples before production?
A: Yes, we can send physical color chips or digital samples for approval. Custom colors are matched to your RAL number or provided sample. -
Q: How long does the coating last on industrial doors?
A: The lifespan depends on environmental conditions, but with proper maintenance, the PE coating typically provides 5-10 years of protection before repainting may be needed. -
Q: Is the coil suitable for both indoor and outdoor industrial doors?
A: Yes, the galvanized base and PE top coat are designed for both indoor and outdoor applications, offering good UV resistance and weather ability. -
Q: What is the typical lead time for production?
A: For standard specifications, production takes 15-20 days after order confirmation. Custom colors or special thicknesses may require additional time. -
Q: Do you offer third-party inspection services?
A: Yes, we can arrange inspection by SGS, Bureau Veritas, or other independent agencies at the buyer's cost. Our own QC team also conducts rigorous tests. -
Q: Can the coil be supplied in different widths for my door manufacturing line?
A: Absolutely. We can slit the coil to widths from 600 mm up to 1250 mm according to your requirements. Please specify the exact width when ordering. -
Q: What payment terms do you accept?
A: We typically accept T/T (30% deposit, 70% before shipment) or L/C at sight. Other terms may be negotiable for long-term partnerships.
Ready to source premium prepainted steel coil for your industrial door manufacturing? Contact Hemaokang Steel (Shandong) Co., Ltd. today for a competitive quote and expert support. We look forward to building a successful partnership with you!
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