H‑Section Steel Beam an "H"-shaped cross-section formed by welding or hot-rolling top and bottom flanges with a central web. Primarily designed to withstand transverse bending and shear loads, they serve as the standard main and secondary beams for industrial facilities, multi-story steel structures, and floor systems. The manufacturing process—comprising cutting, assembly, submerged arc welding, flange straightening, shot blasting, and the application of anti-corrosive primers and topcoats effectively addresses key concerns for overseas buyers regarding cross-border procurement, such as bending/sagging deformation, internal weld cracking, and joint misalignment.
H Section Steel Beam mass in the top and bottom flanges—where resistance to bending stress is most critical—while the web is dedicated to handling shear forces. This inherently efficient cross-sectional design effectively controls bending deflection in long-span, heavy-load industrial flooring and factory projects. Even under continuous heavy-load impacts, the beam resists visible deformation or sagging, ensuring the long-span horizontal framework remains perfectly straight over decades of service.
For the same load-bearing capacity, HAISHENG H‑Section Steel Beam are significantly lighter than traditional box girders or solid-web plate girders. This reduced self-weight not only cuts unnecessary steel tonnage by nearly 30%—drastically saving on overseas shipping costs—but also substantially lowers the load on supporting steel columns and concrete foundations. Crucially, it enables single-story factories to achieve longer and wider column-free spans, providing overseas buyers with more open, spacious interiors for production operations and equipment layout.
We have long supplied key structural components to top-tier state-owned enterprises in China's construction sector—such as CSCEC, CREC, and CRCC—adopting their rigorous quality control standards for our factory inspections. Our flagship Q355B and Q235B low-alloy, high-strength steels offer structural stability, excellent toughness, and superior fatigue resistance. Combined with Haisheng’s professional weld inspection processes, the steel framework easily withstands the violent swaying caused by typhoons and the intense shear forces of sudden earthquakes.
This represents a significant structural advantage of H-section steel over enclosed square tubes and box beams; lacking enclosed cavities, all surfaces remain fully exposed. We utilize fully automated pass-through shot-blasting machines to remove rust and mill scale from the entire component, achieving the highest Sa2.5 standard. Subsequently, airless sprayers are used to apply uniform layers of epoxy zinc-rich primer, intermediate coating, and topcoat. For environments prone to high salt-spray corrosion—such as chemical plants or coastal areas—we offer an optional hot-dip galvanizing process with a zinc coating thickness of ≥85μm. This ensures that, whether in indoor heavy-industrial workshops or outdoor steel platforms, the structure remains free from hidden rust and paint peeling for twenty to thirty years.
Unique Stamping for "Ready-to-Install" Components: Before shipment, every H‑Section Steel Beam is stamped with a unique component ID and reference number, strictly corresponding to your detailed shop drawings and grid lines. Each shipment includes material quality certificates, dimensional inspection reports, and 100% Ultrasonic Testing (UT) reports for Grade 1 welds. Upon arrival, procurement managers and on-site chief engineers can easily identify components against the drawings, effectively eliminating critical issues common in mixed-cargo shipments—such as missing parts, incorrect specifications, or time-consuming searches for mismatched components.
For extra-long beams (exceeding 12 meters) and large tapered beams, Haisheng employs professional 3D container loading plans to maximize the internal volume of 40ft HQ containers. Critical areas—including beam ends and points subject to shear or structural stress—are reinforced with specialized protective materials and securely lashed to prevent movement, jolting, or collisions during ocean transit. Small consumables such as high-strength bolts, nuts, washers, and temporary positioning cleats are organized and labeled in fumigation-free wooden crates or steel frames, optimizing space and minimizing shipping costs.
All end plates, high-strength bolt holes, connection stiffeners, secondary beam brackets, and purlin cleats are standardized and prefabricated on factory assembly lines. Thanks to the high precision of CNC 3D drilling, no on-site hot work or welding is required at the overseas job site. Workers can simply follow the provided installation drawings to fasten Grade 8.8 or 10.9 high-strength bolts—much like assembling Lego bricks—enabling rapid, efficient assembly and eliminating the high costs associated with extended on-site installation schedules and specialized welders.
| Material | Lower yield strength (ReL) | tensile strength | Applicable Scenarios |
| Q235B | ≥235MPa | 375～500MPa | Standard factory building, roof secondary beams |
| Q355B | ≥355MPa | 470～630MPa | Main girders for heavy-duty workshops and multi-story buildings |
| For low-temperature zones, select Q355NL (meeting low-temperature impact test requirements). |
We operate specialized steel structure production bases across multiple regions—including Tianjin, Hubei, and Shandong—highlighted by the newly established Quangang Large-Scale Component Base, which spans 176 mu and represents an investment of 320 million RMB. Haisheng boasts a robust annual production capacity exceeding 50,000 tons. We flexibly coordinate production and consolidated shipping from the most suitable base based on your project location and shipping schedule. This eliminates the "drip-feed" delivery delays often caused by the insufficient capacity of smaller manufacturers—delays that can otherwise jeopardize your project's critical milestones.
The standard MOQ for typical engineering components is usually 10 metric tons. However, we offer flexible trial order policies for initial test projects with new clients or for small-to-medium-sized light-gauge steel portal frame projects. The actual MOQ can be negotiated and confirmed based on component specifications in the project drawings, material types (e.g., standard hot-rolled sections vs. non-standard welded sections), and specific container loading requirements.
We support customization based on complete construction drawings. Our H-beam capabilities cover web heights of 100mm–1500mm and flange/web thicknesses of 6mm–60mm, including non-standard welded sections and tapered (variable cross-section) beams; circular hollow section (CHS) columns are available with outer diameters ranging from φ89mm to φ630mm, as well as larger non-standard sizes.
The lead time for standard hot-rolled sections and conventional secondary beams is generally 7–10 working days. For orders involving heavy-duty main beams or tapered rigid frames—which require complex detailing, 3D CNC drilling, or non-standard welded fabrication—the lead time is typically 10–15 working days.
Address
Tianjin International Metal Logistics Park, Jinan Economic Development Zone (East Zone), Jinan District, Tianjin, China
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