Structural Galvanized Steel Coils High Tensile Strength Custom Sizing BS EN 10346
Structural Galvanized Steel Coils are engineered for demanding construction and infrastructure projects, combining high tensile strength (up to 700 MPa) with BS EN 10346 compliance for unmatched load-bearing capacity and corrosion resistance. Featuring a hot-dip galvanized coating (Z275–Z450) and customizable thicknesses (0.5–8mm), these coils are ideal for structural frameworks, bridges, and industrial machinery. With widths up to 2,000mm and tailored cut-to-length services, they reduce fabrication waste by 20–30% while meeting global engineering standards.
Key Benefits:
- Superior Structural Integrity: Yield strength of 350–700 MPa for seismic-resistant and heavy-load applications.
- Custom Sizing: Thickness (0.5–8mm), width (600–2,000mm), and coil weight (5–25 tons) optimized for your project.
- BS EN 10346 Compliance: Certified for S320GD to S700MC grades, ensuring EU/UK market compatibility.
- Extended Lifespan: Z450 coating (450g/m²) provides 40+ years of corrosion protection in coastal/industrial zones.
- Sustainable Production: 85% recycled steel content, ISO 14001-certified, and REACH-compliant.
- Fast Processing: Laser-cut edges, pre-punched holes, or embossed surfaces available for quick assembly.
2. Technical Specifications
| Parameter | Details |
| Base Material | High-Strength Low-Alloy Steel (C: 0.12–0.20%, Mn: 1.10–1.60%, Si ≤0.50%) |
| Coating Type | Hot-Dip Galvanized (Z275–Z450: 275–450g/m² zinc), spangle-free or regular finish |
| Grades | BS EN 10346 (S320GD, S550GD, S700MC), ASTM A653 (SS Grade 80), JIS G3302 (SGH590) |
| Thickness Range | 0.5mm–8mm (±0.05mm tolerance for ≤3mm, ±0.1mm for >3mm) |
| Coil Dimensions | Width: 600–2,000mm (±2mm), ID: 508/610mm, OD: 1,500–3,000mm |
| Mechanical Properties | Tensile Strength: 450–700 MPa, Yield Strength: 350–550 MPa, Elongation: 10–18% |
| Surface Treatment | Oiled, dry film, or chromate-free passivation for enhanced weldability |
| Certifications | BS EN 10346, CE Mark, ISO 1461, TUV, RoHS, ISO 9001/14001 |
| Key Applications | Steel trusses, bridge girders, crane rails, conveyor systems, and offshore platforms |
3. Advantages of Importing Our Structural Steel Coils
Competitive Edge:
- Cost Savings: 20–25% lower than EU suppliers with identical BS EN 10346 certification.
- Rapid Delivery: 15–20 days lead time for 50-ton orders, including custom sizing and edge finishing.
- Quality Control: Third-party tested for coating uniformity, hardness (HRB 75–95), and Charpy impact resistance (≥27J at -20°C).
- Custom Fabrication: Pre-curved coils, laser-cut profiles, or galvannealed surfaces for paint adhesion.
- Logistics Efficiency: Reinforced seaworthy packaging (steel pallets + moisture-proof film) for global shipping.
- Technical Support: Free Finite Element Analysis (FEA) reports for structural load optimization.
4. Industrial & Infrastructure Applications
| Industry | Use Cases |
| Civil Engineering | Suspension bridges, highway overpasses, and tunnel reinforcement beams. |
| Heavy Machinery | Excavator booms, crane arms, and mining equipment chassis. |
| Energy Infrastructure | Wind turbine towers, nuclear plant support frames, and oil pipeline braces. |
| Commercial Construction | High-rise building skeletons, warehouse mezzanines, and airport terminal roofs. |
| Transportation | Railway track beds, cargo ship hulls, and heavy-duty truck trailers. |
| Renewable Energy | Solar farm mounting systems, hydroelectric dam components. |
| Public Works | Floodgate structures, seismic retrofitting for hospitals, and stadium roofs. |
FAQ
1. Do you have your own factory?
Yes, we do. We have our own factory, we can provide stable inventory, competitive prices and good quality.
2. What is your surface treatment method?
We can make special logos, icons or other things you order on the products. No matter what, we can do it as per your request.
3. What kind of payment can you accept?
1).100% irrevocable L/C at sight.
2).30% T/T in advance, the balance according to the copy of the bill of lading.
3).30% T/T in advance and balance of L/C.
4. How about the delivery time?
5-7 days after deposit received.
5. Why choose our company?
A). We have more stable inventory, competitive prices and good quality.
B). We have more integrity experience in international trade.
C). We can provide personal customization services, such as adding your company's logo, specified colors, etc. to the product.
6. What is the use of the product?
Galvanized Steel Coils, industry, chemical industry, secondary processing, construction, etc.
7. Can you send samples for inspection?
We can. We can send you samples for free.
8. Can you make products according to our requirements?
Yes, we will strictly follow your requirements, such as packaging method, product length, product handling method, etc.
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