Galvanized Steel H Beam

H-beam steel is an economical high-efficiency profile with an optimized cross-sectional area distribution and a more reasonable strength-to-weight ratio. Its cross-section resembles the English letter "H," hence the name.

Since all parts of H-beam steel are arranged at right angles, it offers excellent bending resistance in all directions, simple construction, cost savings, and a lightweight structure, making it widely used in construction.

H-beams are divided into hot-rolled H-beams and welded H-beams (H-type). Hot-rolled H-beams are further classified into wide-flange H-beams (HW), medium-flange H-beams (HM), and narrow-flange H-beams (HN).

HW: H-beams with roughly equal height and flange width, typically used as core columns in reinforced concrete frame structures, also called stiff steel columns. Typical dimensions: height 200–900 mm, flange width 200–900 mm, weight 50–200 kg/m, yield strength 235–355 MPa.

HM: H-beams with a height-to-flange width ratio of about 1.33–1.75, mainly used in steel structures as frame columns that bear dynamic loads, such as equipment platforms. Typical dimensions: height 250–900 mm, flange width 150–400 mm, weight 40–180 kg/m.

HN: H-beams with a height-to-flange width ratio greater than or equal to 2, suitable for long-span beams or specialized structural requirements. Typical dimensions: height 300–900 mm, flange width 100–300 mm, weight 35–160 kg/m.

• High structural strength: Compared with I-beam, the section modulus is larger, and the metal can be saved by 10-15% under the same bearing conditions. The design style is flexible and abundant: in the case of the same beam height, the steel structure will be 50% larger than the concrete structure bay, thus making the building layout more flexible.

• Light structure weight: Compared with concrete structure, the steel structure's weight is reduced, which reduces the internal force of structure design, simplifies construction and decreases the cost.

• High structural stability: The steel structure mainly made of H-section steel has scientific and reasonable structure with good plasticity and flexibility, and high structural stability. It is suitable for building structures that withstand large vibration and impact loads.

• Increase the effective use area of the structure: Compared with the concrete structure, the steel structure column has a small cross-sectional area, which can increase the effective use area of the building.

• Save labor and material: Compared with welding H-shaped steel, it can save labor and material, and reduce the consumption of raw materials, energy and labor.

• Easy to process by machine: easy to connect and install, dismantle and reuse.

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