Product Introduction

The SS400 H-Beam, a widely recognized structural steel section adhering to JIS G3101 standards, is a cost-effective and versatile choice for general construction and engineering applications. Featuring a minimum yield strength of 400 MPa, it provides reliable load-bearing capacity for moderate-stress projects such as residential buildings, commercial complexes, and light industrial frameworks. Its H-shaped cross-section enhances bending resistance, making it suitable for beams, columns, and trusses, while its excellent weldability and machinability streamline fabrication and on-site assembly, reducing labor costs and construction time. Though it lacks the advanced low-temperature toughness or corrosion resistance of higher-grade steels, SS400’s affordability and global availability make it a preferred material for projects where extreme conditions are not a primary concern, ensuring both practicality and efficiency in diverse structural designs.

About Us

Zhongxi Metal is a professional manufacturer engaged in the research, development, production, sale and service.,  is committed to providing one-stop steel procurement services for global client. 

Advantages of SS400 H-Beam

1. High Strength-to-Weight Ratio for Efficient Load Support

SS400 H-Beams are engineered with a symmetrical T-shaped cross-section, providing exceptional load-bearing capacity relative to their weight. This high strength-to-weight ratio enables efficient material utilization, reducing structural deadweight while maintaining stability. For instance, in building frameworks, these beams achieve up to 20% higher load capacity compared to standard sections, optimizing space and resource use in projects like industrial plants or high-rise structures.

2. Compliance with JIS G3101 Standards for Safety and Reliability

Manufactured under the Japanese Industrial Standard (JIS) G3101, SS400 H-Beams undergo rigorous quality control to ensure uniformity in mechanical properties, such as yield strength (≥245 MPa for thickness ≤16 mm) and tensile strength (400–510 MPa). This compliance guarantees reliability in critical applications like bridges, where adherence to international standards minimizes risks of structural failure under dynamic loads.

3. Versatility in Customization for Project-Specific Needs

SS400 H-Beams offer adjustable parameters, including depth, width, thickness, and surface treatments (e.g., galvanization). This flexibility allows architects and engineers to tailor beams to unique project requirements, such as corrosion resistance in coastal environments or precise dimensional tolerances for modular construction. For example, customized flange widths (100–900 mm) and web thicknesses (5–36.5 mm) accommodate diverse spans and load distributions in large-scale infrastructure.

4. Cost-Effective Production via Hot-Rolled Manufacturing

The hot-rolled process used to produce SS400 H-Beams ensures uniform microstructure and cost efficiency. Unlike welded or cold-formed alternatives, hot rolling eliminates residual stresses, reducing the need for expensive post-production treatments. This method also enables high-volume production, lowering per-unit costs for large projects like stadium roofs or shipping dock frameworks, where budget constraints are critical.

5. Superior Weldability and Machinability for Streamlined Assembly

SS400’s low carbon content (≤0.30%) and balanced alloy composition (e.g., Mn ≤1.40%, Si ≤0.35%) enhance its weldability and cold-working performance. These properties simplify on-site assembly through common techniques like arc welding, while allowing precise cutting and bending for complex joints. In automotive manufacturing, for instance, SS400 H-Beams are used for chassis components, where rapid fabrication and strong welds are essential for production efficiency.

We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.

Applications of SS400 H-Beam

1. High Load-Bearing Capacity for Structural Frameworks

SS400 H-Beams, engineered with a symmetrical T-shaped cross-section, provide exceptional load-bearing capacity and stability. Their high strength-to-weight ratio enables efficient material use, supporting heavy loads in industrial plants, high-rise buildings, and bridges

2. Cost-Effective Production via Hot-Rolled Manufacturing

The hot-rolled process used to produce SS400 H-Beams ensures uniform microstructure and cost efficiency. Unlike welded or cold-formed alternatives, hot rolling eliminates residual stresses, reducing the need for expensive post-production treatments. This method also supports high-volume production, lowering per-unit costs for large-scale projects like stadium roofs or shipping dock frameworks, where budget constraints are critical.

3. Customizable Dimensions for Project-Specific Needs

SS400 H-Beams offer adjustable parameters, including depth, width, and thickness, to meet diverse engineering requirements. For example, flange widths ranging from 100 mm to 900 mm and web thicknesses from 5 mm to 36.5 mm accommodate varying spans and load distributions. Surface treatments like galvanization further enhance corrosion resistance, making them suitable for coastal infrastructure or modular construction.

4. Superior Weldability and Machinability for Streamlined Assembly

SS400’s low carbon content (≤0.30%) and balanced alloy composition simplify welding and cold-working processes. This property allows rapid assembly using common techniques like arc welding, while precise cutting and bending enable complex joint designs. In automotive manufacturing, SS400 H-Beams are used for chassis components, where efficient fabrication and strong welds are essential for production efficiency.

5. Compliance with JIS G3101 Standards for Safety and Reliability

Manufactured under the Japanese Industrial Standard (JIS) G3101, SS400 H-Beams undergo rigorous quality control to ensure uniformity in mechanical properties, such as yield strength (≥245 MPa for thickness ≤16 mm) and tensile strength (400–510 MPa). This compliance guarantees reliability in critical applications like bridges, where adherence to international standards minimizes risks of structural failure under dynamic loads.

Contact Us

As a leading company, Zhongxi Metal is known for our excellent product quality and professional services, providing our customers with a reliable partner. We have a global sales network that can meet the needs of customers in different countries and regions.If you need more information about us or have any other needs, please feel free to contact us. We look forward to working with you to create a better future.