Product Overview
Rich, professional dark blue finish conveys reliability and sophistication. The high-quality PE coating ensures lasting color retention and protection in various environments.

Product Description
The Dark Blue color-coated steel sheet embodies a blend of professional elegance and robust performance. This deep, resonant blue hue is achieved through a high-quality coating system, applied to a galvanized steel substrate. It projects an image of reliability and strength, making it a preferred choice for industrial, commercial, and architectural applications where a serious and timeless aesthetic is desired. Its excellent weather resistance ensures the rich color remains vibrant, even in challenging outdoor environments



Technical Parameters
product name | DX51D + Z Z275 GI hot-dip galvanized steel coil |
standard | AiSi, ASTM, bs, DIN, GB, JIS |
thickness | 0.2 mm to 4 mm |
width | 600 mm-1250 mm |
common difference | ±1% |
Coil weight | 3-8 tons |
technology | Hot rolled, cold rolled |
pack | Standard airworthiness export packaging: Three-layer packaging, with kraft paper inside, water-based plastic film in the middle, and outer layer The GI steel plate is covered with a steel strip featuring a locking mechanism, with coils embedded within the strip. |
Minimum order quantity | 5 tons |
pay | 15-20 days |
monthly output | 30,000 tons |
pay a sum of money | T/T, LC |
Key Features & Highlights
Rich dark blue professional finish
High-quality PE coating
Excellent color retention
Good weather resistance
Multiple thickness options

Application field
Commercial building roofing
Industrial wall cladding
Appliance manufacturing
Professional equipment enclosures
Corporate branding applications



Why Choose Us
Advanced Production Lines: High-speed continuous hot-dip galvanizing equipment.
Strict Quality Control: 100% surface inspection and mechanical property testing.
Global Certification: ISO, ASTM, EN compliance for international markets.
Customization: Zinc coating, thickness, width, and surface treatments tailored to customer needs.
Export Expertise: Long-term supply to over 80 countries with professional logistics support.
FAQ
Q1: Why choose dark blue for commercial applications?
A: Dark blue conveys professionalism, reliability, and trust. Popular for corporate buildings, industrial facilities, and professional equipment. Less common than gray, providing distinctive appearance while maintaining business-appropriate look.
Q2: Does dark blue absorb more heat than light colors?
A: Yes, dark blue absorbs 60-70% of solar radiation versus 30-50% for light colors. In hot climates, consider heat buildup. In cold climates, heat absorption may be beneficial. Consider climate and building use.
Q3: How does dark blue compare to black?
A: Dark blue provides similar professional appearance to black with slightly less heat absorption. Blue is more distinctive and less common than black. Both colors show dust and water spots more than lighter colors.
Q4: Is dark blue suitable for residential applications?
A: Less common for residential but can work well for modern homes seeking distinctive appearance. Consider neighborhood context and HOA restrictions. Samples recommended before large residential orders.
Q5: What is the color consistency between batches?
A: We maintain Delta E <1.5 between batches, virtually indistinguishable to human eye. For large projects, order entire quantity from single production run for best consistency. Color approval samples provided.

DX51D Galvanized steel is a type of steel that has been treated with zinc to enhance its corrosion resistance.
1.Surface structure code / Not just polished
Normal zinc flower N NS Small zinc flower M MS Zinc free flower F FS Zinc ferroalloy ZF ZFS

2.Surface quality code
Ordinary surface FA Advanced surface FC Higher surface FB
3.Surface treatment symbol
Passivation C Unction O Paint sealant L Phosphating P Don't deal with U
Service
Custom Orders: Tailored sizes, thicknesses, and coatings to meet customer needs.
Quality Assurance: Rigorous testing for surface quality and coating thickness to ensure high standards.
Flexible Payment Options: Multiple payment methods like T/T, LC, and PayPal.
Global Delivery: Timely and reliable worldwide delivery for large and small orders.
Packaging: Safe packaging suitable for international shipment.


