S350GD+Z275 Galvanized Steel Coil
High-Strength GI Coil with 275 g/m² Zinc Coating for Superior Corrosion Resistance and Long-Term Durability
S350GD+Z275 Galvanized Steel Coil – High-Quality GI Coil Supplier
The S350GD+Z275 Galvanized Steel Coil is a high-strength, cold-rolled steel coil hot-dip galvanized with a 275 g/m² zinc coating on both sides. Manufactured to EN 10346 standards, this GI coil offers exceptional corrosion resistance, excellent durability, and long-term protection in harsh industrial, coastal, and structural environments.
S350GD+Z275 is widely applied in construction, automotive, home appliances, and industrial manufacturing, providing consistent mechanical performance and superior surface quality. Hengze Steel ensures precise control of thickness, width, and zinc coating uniformity for every coil.
Key Features
High Strength: Minimum yield strength of 350 MPa, ensuring robust performance in structural and heavy-duty applications.
Superior Corrosion Resistance: Z275 zinc coating offers durable protection against rust, oxidation, and environmental degradation.
Excellent Formability: DX51D-based S350GD steel provides good ductility and weldability for bending, stamping, and roll-forming processes.
Versatile Surface Options: Available in regular spangle, zero spangle, and mini spangle finishes to meet functional and aesthetic requirements.
Wide Application Range: Ideal for roofing, wall panels, automotive components, appliances, and industrial equipment.
S350GD+Z275 Galvanized Coil Specification
| Steel Grade | S350GD (EN 10346 standard) |
| Coating Type | Hot-dip galvanized (GI) |
| Zinc Coating Mass | Z275 (275 g/m² total, ~137.5 g/m² per side) |
| Thickness Range | 0.12 – 3.0 mm |
| Coil Inner Diameter | 508 mm / 610 mm |
| Coil Weight | 3 – 8 tons |
| Surface Finish | Regular spangle / Zero spangle / Mini spangle |
| Surface Treatment | Chromate, Oiled, Dry, Passivated |
| Standards | EN 10346, JIS G3302, ASTM A653, GB/T 2518 |
| Applications | Construction, Automotive, Appliances, Industrial Manufacturing |
Applications
Hengze Steel S350GD+Z275 galvanized steel coil combines excellent corrosion resistance, high workability, and cost efficiency. It is widely used in:
Construction: Roofs, walls, fences, window frames, and grilles
Home Appliances: Refrigerator, air conditioner, washing machine casings
Automotive Industry: Car body panels, chassis components, door frames
Light Industry: Ventilation ducts, roller shutters, chimneys
Prepainted Steel Substrate: Ideal for further coating processes, enhancing appearance and durability
Product Advantages
Enhanced Durability: Z275 coating provides superior corrosion protection for long-term use in harsh environments, reducing maintenance costs.
High Mechanical Performance: Balanced tensile and yield strength with excellent elongation for structural and heavy-duty applications.
Aesthetic Flexibility: Multiple surface finishes for decorative or functional purposes.
Quality Assurance: Compliant with EN, ASTM, JIS, and GB/T standards to ensure consistent, reliable quality.
Brand Reliability: Hengze Steel provides strict quality control, professional technical support, and timely delivery.
Packaging & Delivery
Packaging: Standard seaworthy packaging to ensure safety during transport
Coil Weight: Typically 3–5 tons per coil; can be customized
Lead Time: 15–30 days depending on order quantity and production schedule
Shipping: Sea or air freight, worldwide delivery available
Get a Quote Today
At HengZe Steel, we specialize in supplying premium Galvanized Steel Coils (GI) engineered for excellent corrosion resistance, reliable performance, and long service life.
Whether you need detailed product specifications, competitive pricing, or professional technical support, our experienced team is committed to providing solutions tailored to your project requirements.
👉 Or email us at sales@hengzesteel.com.
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