Galvanized G550 Structural Sheet
🔥 Stop risking catastrophic structural framing buckling or structural submittal rejections by utilizing commercial-grade zinc sheets that lack certified high-tensile load capacities.
SXY Steel Group engineers premium structural-grade G550 Hot-Dip Galvanized Sheets, specifically manufactured with a guaranteed minimum yield strength of 550 MPa for cold-formed steel framing and heavy industrial roofing. Our advanced processing line ensures precise zinc coating uniformities from Z80 to Z275 g/m², providing ironclad anti-corrosion protection that easily clears strict construction code audits. Secure your cargo volume booking today through our Guaranteed 2-Hour Rapid Quote service before raw material index pricing shifts.
Tired of slow, automated supplier email delays while your bidding deadline or structural framing inspection date crashes down? Eliminate component inspection failure anxieties and secure your verified structural mill testing records right now.
PRODUCT DETAILS
📊 Structural High-Tensile Galvanized Steel Three-Standard Cross-Reference Matrix
| American Standard (ASTM) | European Standard (EN) | Japanese Standard (JIS) | Guaranteed Structural Properties & Zinc Options |
|---|---|---|---|
| ASTM A653 SQ Grade 80 (Class 1) | EN 10346 S550GD+Z (Full Hard) | JIS G3302 SGC570 | Min Yield 550 MPa | Z120 / Z180 / Z275 Heavy Coating |
| ASTM A653 SS Grade 50 (Class 1/2) | EN 10346 S350GD+Z / S450GD+Z | JIS G3302 SGC490 | Min Yield 350-450 MPa | Mid-Tensile Framing Profiles |
| ASTM A653 SS Grade 33 | EN 10346 S250GD+Z / S280GD+Z | JIS G3302 SGC400 | Min Yield 250-280 MPa | Standard Light Gauge Purlins |
• High-Tensile Mechanical Validation: Destructive tensile testing is strictly tracked to ensure a hard baseline yield strength above 550 MPa. Full support for third-party inspection firms (SGS, Bureau Veritas, or Intertek) to audit specifications prior to loading.
• Financial Security Framework: SXY Steel Group removes international procurement risk completely by managing all bulk supply contracts under 100% Irrevocable Letter of Credit (L/C) at sight payment structures.
• Rigid Perimeter Steel Banding: High-tensile perimeter straps securely bind the steel layouts to heavy reinforcement skids, completely arresting dynamic shifting or edge-buckling during intense ocean transits.
• Extended Port Demurrage Safety: 14 to 21 days free demurrage terms pre-negotiated directly with international shipping lines to isolate your project timeline from unexpected customs clearance bottlenecks.
| Item | Specification |
|---|---|
| Product name | G550 Galvanized steel sheet |
| Standard | ASTM, DIN, JIS, BS, GB/T, GB, EN |
| Material | G550 |
| Application | Villas, townhouse, apartments, tourist destination building, and roof conversion project |
| Thickness | 0.12-4.0 mm / BWG / AWG or as your request |
| Width | 20-1500 mm or as your request, Normal width is 914/1000/1219/1250/1500 mm |
| Zinc Coating | 30~600 G/M² |
| Surface Structure | Regular spangle, Minimum spangle, Zero spangle, Big spangle |
| Surface Treatment | Chromated/Non-Chromated, Oiled/Non-oiled, Skin pass |
| Package | Waterproof paper & plastic film & iron packing & bunding, or as customer’s requirement |
Packing and shipping
Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.
Application Areas
Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments.
Factory workshop
With a commitment to excellence, innovation, and sustainability, the company has established itself as a trusted partner in the international steel industry.After nearly two decades of relentless endeavour, our client base now spans over 110 countries and regions across Europe, the Middle East, South America, and Southeast Asia.
🔬 Secure Your Free Engineering Blueprint Nesting Analysis & Fabrication Yield Optimization
Submitting construction project drawings for light-gauge steel wall tracks, deep-profile roof corrugation, or high-tensile metal trusses? Upload your structural drawing profiles or comprehensive engineering Bill of Materials (BOM). The engineering team at SXY Steel Group will execute a complimentary technical nesting simulation to maximize sheet layout efficiency and slash structural scrap expenses.
