428*407mm 482*300mm 488*300mm Hot Rolled Low Carbon A36 Ss400 Q235B Steel H Beam

Crafted from high-quality structural alloy steel compliant with EN 10025 standards, the S275 series offers consistent base performance with graded impact resistance to suit diverse environmental and load conditions:​

S275JR: The foundational grade in the series, with a minimum yield strength of 275MPa (for thickness ≤16mm) and tensile strength ranging from 370-530MPa. It exhibits excellent formability, weldability, and cost-effectiveness, making it suitable for general structural applications in moderate-temperature environments (no specified low-temperature impact requirement).​

S275J0: A cold-resistant grade with the same yield and tensile strength as S275JR, but validated for impact resistance at 0°C (minimum 27J impact energy). It is ideal for outdoor or cold-climate projects where resistance to brittle fracture is critical, such as open-air structures, bridges, and industrial frameworks in temperate regions.​

S275J2: The premium grade with enhanced low-temperature performance, maintaining 275MPa minimum yield strength and 370-530MPa tensile strength, while delivering a minimum 27J impact energy at -20°C. Its superior toughness and ductility make it the preferred choice for high-stress, low-temperature applications, including offshore structures, winter-resistant infrastructure, and heavy-duty industrial components.​

All grades feature a refined alloy composition (low carbon, controlled manganese and silicon content) that enhances weldability, machinability, and corrosion resistance compared to conventional carbon steel, ensuring seamless integration into complex structural systems.​

W-Beam Structural Advantages & Manufacturing Precision​

The W-shaped profile (wide-flange H-beam) is engineered for maximum structural efficiency, leveraging a geometric design optimized for load distribution and stability:​

Wide, Parallel Flanges: Provide increased moment of inertia and section modulus, enabling efficient transfer of tensile and compressive forces across large spans. The flat flange surfaces facilitate easy welding, bolting, and connection to other structural components, reducing fabrication time and improving joint integrity.​

Rigid Central Web: Offers exceptional shear resistance, minimizing deflection and deformation under dynamic loads, seismic activity, or heavy static pressures. The web's thickness is precisely calibrated to balance strength and weight, ensuring an optimal strength-to-weight ratio.​

Manufactured via advanced hot-rolling technology, the beam is shaped at controlled temperatures (1,100-1,250°C) to refine grain structure, eliminate internal defects (e.g., porosity, microcracks), and achieve tight dimensional tolerances (EN 10034 standards). This process ensures uniform material density, consistent mechanical performance across the entire profile, and a smooth surface finish that eliminates the need for secondary processing. The alloy steel base further enhances fatigue resistance, extending the beam's service life in cyclic-load applications.​

Application Scope & Engineering Compliance​

This structural alloy W H-beam is tailored for high-reliability applications across industrial, commercial, and infrastructure sectors:​

Industrial Facilities: Heavy-duty frameworks for factories, warehouses, manufacturing plants, and machinery supports, where S275J2's low-temperature toughness and S275JR/J0's cost-effectiveness meet diverse operational demands.​

Commercial & Public Infrastructure: Bridges, overpasses, stadiums, and high-rise building columns/girders, leveraging the W-beam's span capacity and the S275 series' structural resilience.​

Outdoor & Extreme-Environment Projects: Open-air storage facilities, offshore platforms, and cold-region infrastructure, where S275J0/J2's impact resistance prevents brittle failure in harsh conditions.​

Prefabricated & Modular Construction: Standardized components for off-site fabrication, ensuring consistent quality, rapid assembly, and compliance with European building codes (Eurocode 3).​

Quality Assurance & Certification​

Each W H-beam undergoes rigorous quality control protocols to ensure compliance with EN 10025 and EN 10034 standards:​

Material Testing: Chemical composition analysis, tensile testing, bending tests, and impact testing (temperature-specific for J0/J2 grades) to validate mechanical properties.​

Structural Inspection: Dimensional verification (flange width, web thickness, length, straightness) and non-destructive testing (ultrasonic testing for internal defects, magnetic particle testing for surface cracks).​

Traceability & Documentation: Batch-specific Material Test Certificates (MTCs) per EN 10204 3.1/B, providing full transparency of raw material sources, manufacturing processes, and test results.​

This uncompromising commitment to quality ensures that the S275J2/S275JR/S275J0 structural alloy W H-beam meets the highest standards of performance, safety, and durability, making it an indispensable component for precision-engineered structural projects.