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Pre-Painted RAL Colors Stainless Steel Coil – Technical Specifications
Product Overview
A premium stainless steel coil solution combining aesthetic appeal with industrial durability, engineered for architectural, signage, and outdoor applications requiring lasting color vibrancy and weather resistance.
Material Specifications
| Parameter | Details |
| Base Material | AISI 304 / 316L (selectable) |
| Thickness Range | 0.4mm – 1.2mm (±0.02mm tolerance) |
| Standard Width | 1000mm – 1500mm (custom widths available) |
| Coating System | PVDF (25-30μm) or Polyester (15-20μm) with primer |
| Color Options | Full RAL spectrum + custom Pantone matching |
| Surface Hardness | 2H-3H (pencil hardness scale) |
Elemental Composition
- 304 Grade: Cr 18-20%, Ni 8-10.5%, Mn ≤2%, C ≤0.08%
- 316L Grade: Cr 16-18%, Ni 10-14%, Mo 2-3%, C ≤0.03%
Performance Certifications
- ISO 12944 (Corrosion protection)
- AAMA 2604 (High-performance coatings)
- QUALICOAT Class 2
- EN 1396 (Coating adhesion)
Key Advantages
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Color Excellence
- Digital RAL color calibration (±5% tolerance)
- 10-year fade-resistant warranty
- Custom Pantone matching capability
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Durability Features
- 20+ years UV resistance (ISO 4892-3 verified)
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1,500 hours salt spray resistance (ASTM B117)
- Outstanding pollution resistance
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Economic Benefits
- 15-25% cost advantage vs. EU equivalents
- Bulk order discounts available
- 7-12 day standard lead time
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Sustainability
- VOC-free coating technology
- 80% recycled stainless steel content
- Fully recyclable at end-of-life
Value-Added Services
- Free color matching consultation
- Substrate pre-treatment guidance
- Custom fabrication options:
- Pre-cut sheets
- Embossed patterns
- Anti-graffiti coatings
Typical Applications
- Architectural façades and cladding
- Solar control systems
- Premium signage solutions
- Outdoor furniture and structures
Quality Assurance
All products undergo rigorous quality control to ensure:
- Coating thickness consistency
- Color uniformity
- Surface perfection
- Mechanical performance compliance

Frequently Asked Questions (FAQ)
Q1: What type of company are you?
A: We are a direct manufacturer with 12 years of production and sales experience.
Q2: Where is your production facility located?
A: Our factory is based in Wuxi City, Jiangsu Province, China – a key industrial hub for steel manufacturing.
Q3: What is your quality control process?
A: Our rigorous QC includes:
✓ Pre-production samples for approval
✓ Final inspection prior to shipment
Q4: What payment options are available?
Payment Methods:
- T/T (Telegraphic Transfer)
- L/C (Letter of Credit)
- Credit Card
- Western Union
- Cash
Delivery Terms:
- FOB, CFR, CIF, EXW
- Express shipping available
Accepted Currencies:
Q5: What after-sales support do you provide?
We offer comprehensive technical support:
✓ Material property guidance
✓ Heat treatment recommendations
✓ Customized steel parameters for:
- Germany
- United States
- Japan
- United Kingdom
- And other global markets