G550 Galvanized Steel Pipe
G550 high-tensile galvanized steel pipes engineered explicitly for solar tracking brackets, light-gauge steel framing, heavy agricultural greenhouses, and high-load structural engineering profiles. We guarantee a minimum yield strength boundary of 550 MPa, uniform hot-dip zinc coating crystallization, absolute structural straightness, and strict global specification fulfillment under our direct [2-Hour Rapid Quote] mill program.
Tired of slow supplier responses while your project bidding window closes in? Terrified of structural buckling failures, premature white rust oxidation, or failing rigid engineering site audits due to subpar yield strength or peeling zinc? Eliminate B2B procurement risks and lock down your mill-verified testing certificates immediately.
PRODUCT DETAILS
Premium G550 Ultra-High Strength Galvanized Pipe Three-Standard Cross Matrix
| American Standard (ASTM A653 / A1053) | European Standard (EN 10346 / EN 10219) | Japanese Standard (JIS G3302 / G3444) | Minimum Yield Strength | Zinc Coating Weights & Microns |
|---|---|---|---|---|
| ASTM A653 SQ Grade 550 Class 1 | EN 10346 S550GD+Z | JIS G3302 SGC570 | ≥ 550 MPa (80 ksi) | Z120 – Z180 (17 μm – 25 μm) |
| ASTM A653 SQ G550 Heavy Duty Premium | EN 10346 S550GD+Z Heavy Z | JIS G3302 SGC570 Heavy GI | ≥ 560 – 590 MPa Actual | Z275 – Z600 (39 μm – 85 μm) |
| ASTM A500 Grade C Modified | EN 10219 S460MH Structural | JIS Custom High-Tensile | ≥ 460 MPa | Custom Zinc Alloys (Z/AZ) |
Technical QA/QC Verification
• 100% Traceable Mill Test Certification: Deliveries are strictly backed by complete EN 10204 3.1 Mill Test Certificates (MTC) outlining detailed ladle chemical mapping, elongation indices, hydrostatic pressure charts, and raw substrate heat numbers. Pre-approved for independent verification by SGS, Bureau Veritas, or Intertek.
• Capital Security Guarantee: We eliminate cross-border international transactional friction completely by supporting long-term commercial structure and solar framework supply agreements secured via 100% Irrevocable Letters of Credit (L/C) at sight mechanisms.
Anti-Rust Packaging & Ocean Logistics
• Fortified Structural Cargo Maritime Stowing: Piping bundles are placed on heavy timber dunnage blocks inside sea containers or breakbulk cargo bays, fortified with heavy nylon lashing straps and steel-wire chocking to eliminate metal-on-metal friction and bending across rough ocean transits.
• Complimentary Extended Port Demurrage: SXY Steel Group directly coordinates 14 to 21 days of free container and breakbulk demurrage terms at your exact discharge terminal to give ample clearance windows for your local customs brokers and regional land freight teams.
| Item | Specification |
|---|---|
| Product | G550 Galvanized Structural Steel Pipe |
| Shape | Round, Square, Rectangular |
| Size / Diameter | 20mm – 500mm OD (or 20x20mm – 400x400mm) |
| Wall Thickness | 1.0mm – 12.0mm |
| Length | 6m, 12m standard, or as required |
| Material Standard | Base Steel: G550 (ASTM A653 Grade 550) |
| Pipe Standard | ASTM A500 Grade C, EN 10219, or equivalent |
| Technique | Formed & Welded, then Hot-Dip Galvanized |
| Zinc Coating | Z60 – Z275 (60-275 g/m²) as required |
| Surface Treatment | Clean, blasting, and painting available upon request |
| Tolerance | Complies with relevant ASTM/EN standards |
| Export Packing | Waterproof paper, steel strip packed. Standard seaworthy package. |
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.
Free Project Engineering Blueprint Review & Structural Frame Nesting Optimization Assessment
Submitting detailed engineering criteria for an active solar tracking grid, light-gauge steel infrastructure tender, commercial agricultural complex, or heavy structural framing framework? Upload your engineering layout drawings, custom length cut criteria, mechanical load profiles, or comprehensive Bill of Materials (BOM) files below. SXY Steel Group’s technical desk will execute a nesting optimization audit to eliminate scrap loss margins and maximize your procurement yield.
