Our Q235, SS400, and Galvanized Steel I Beams are high-quality structural steel products designed for durability, strength, and versatility. Ideal for construction, industrial structures, and heavy-duty applications, these I beams combine excellent mechanical performance with superior corrosion resistance (for galvanized options), making them a reliable choice for modern engineering projects.
Grades & Standards
Q235B: Chinese standard low carbon structural steel, excellent weldability and toughness.
SS400: Japanese JIS standard structural steel, comparable to Q235, widely used in general construction and machinery.
Galvanized I Beams: Q235 or SS400 base steel coated with zinc for enhanced corrosion protection, suitable for outdoor or high-moisture environments.
Specifications
Length: 6m, 12m, or customized according to project requirements
Section Dimensions: Various sizes available depending on standard (GB/JIS)
Technique: Hot-rolled for consistent structural strength
Surface Treatment: Plain or galvanized for extended service life
Applications
Building structures: frameworks for residential, commercial, and industrial projects
Roof and floor support beams
Industrial machinery and equipment frames
Automotive chassis and structural components
Bridges, warehouses, and other heavy-duty infrastructure
Mechanical Properties
Yield strength: Q235 – 235 MPa, SS400 – 245 MPa
Tensile strength: Q235 – 370–500 MPa, SS400 – 400–510 MPa
Excellent ductility and weldability for reliable structural performance
Quality Assurance
All our I beams meet strict quality standards, including GB/T 700, JIS G3101, and ISO 9001:2015 certification. Each batch undergoes chemical analysis, mechanical testing, and dimensional inspection to ensure consistency and performance. Certificates of conformity and material traceability are provided with every shipment.
Q235, SS400, and Galvanized Steel I Beams combine strength, durability, and versatility, making them ideal for structural frameworks, industrial machinery, and large-scale construction projects. Whether used in indoor or outdoor applications, these I beams deliver reliable performance and long-term value.
