Our high-quality Q235 carbon steel H-beams (H-section steel) are specifically engineered for bridge construction, a sector demanding exceptional structural reliability, load-bearing capacity, and durability. As a widely recognized and extensively applied carbon structural steel grade, Q235 serves as the core material of these H-beams, which are manufactured in strict compliance with relevant national and industrial standards. Designed to adapt to the complex stress conditions and harsh environmental factors of bridge projects, these H-section steels stand as critical load-bearing components in bridge superstructures and substructures.
The structural design of Q235 carbon steel H-beams is optimized for bridge construction requirements. The distinctive H-shaped cross-section, featuring parallel and symmetrical flanges connected by a rigid web, enables efficient distribution of loads. The flanges provide superior resistance to bending and axial compression-key properties for supporting the heavy weight of bridge decks, vehicles, and pedestrians. The web, with its excellent shear strength, effectively transfers transverse forces, ensuring the overall stability of the bridge structure. Additionally, the H-section design offers a favorable strength-to-weight ratio, reducing the self-weight of the bridge while maintaining structural integrity, which is crucial for minimizing the burden on bridge piers and foundations.
Q235 carbon steel, the foundational material of these H-beams, possesses inherent properties that make it ideal for bridge construction. It has a minimum yield strength of 235 MPa and a tensile strength ranging from 375 to 500 MPa, providing sufficient load-bearing capacity to withstand the dynamic and static loads encountered by bridges. Moreover, Q235 steel exhibits excellent weldability and machinability, allowing for seamless fabrication, on-site assembly, and customization of H-beams to match the specific design requirements of different bridge types (e.g., beam bridges, arch bridges, cable-stayed bridges). The material also demonstrates good ductility, enabling it to absorb energy during sudden loads or minor deformations, enhancing the safety and anti-collision performance of the bridge.
Our Q235 carbon steel H-beams are produced using advanced manufacturing processes to ensure consistent quality for bridge applications. Adopting precision hot rolling technology, steel billets are heated to optimal temperatures and formed through continuous rolling, which refines the grain structure of the steel, eliminating internal defects and improving mechanical properties such as toughness and fatigue resistance. This process also guarantees strict dimensional accuracy and a smooth surface finish of the H-beams, ensuring tight fitting during assembly and reducing potential stress concentration points. To enhance corrosion resistance-critical for bridges exposed to outdoor environments (e.g., rain, humidity, salt spray)-optional surface treatments including galvanizing, anti-corrosive painting, or epoxy coating can be applied, significantly extending the service life of the H-beams and the overall bridge structure.
These high-quality Q235 carbon steel H-beams are widely used in various bridge construction projects, including highway bridges, railway bridges, urban overpasses, and pedestrian bridges. They serve as core components such as main girders, crossbeams, and bracing members, providing reliable structural support for the entire bridge system. We implement rigorous quality control measures throughout the production cycle-from raw material inspection and chemical composition analysis to mechanical property testing (tensile, yield, impact), dimensional verification, and surface quality assessment. Every batch of H-beams is certified to meet relevant standards, ensuring that they comply with the strict safety and performance requirements of bridge construction. By choosing our Q235 carbon steel H-beams, customers gain access to high-quality, cost-effective structural solutions that safeguard the long-term stability and safety of bridge projects.
| Type | Ratio (H:B) | Size (H*B) (mm) | Web Thickness (mm) | Flange Thickness (mm) | Length (m) | Weight (kg/m) | Main Applications |
| HW | 1:1 | 100*100-400*400 | 6-21 | 8-21 | 5.8-12 | 17.2-284 | Column |
| HM | 1.33~1.75:1 | 150*100-600*300 | 6-14 | 9-23 | 5.8-12 | 21.4-175 | Frame Beam |
| HN | >2:1 | 150*75-900*300 | 5-16 | 7-28 | 5.8-12 | 14.3-243 | Steel Beam |






















