Advantages and Usages in Hot Rolled H Beams

1.What does H mean in beam?

Hot-rolled H beam is a new type of economical construction steel. Its web (often called the waist) is perpendicular to the two flanges (often called the legs), and its cross-section is shaped like the English letter "H", so it is called H beam. Because the inner and outer sides of the flange are parallel to each other, and the leg ends are straight and angular, it is also called "parallel leg I-beam". The popular view in the world today is that the percentage of H beam in steel consumption has become a symbol of a country's economic and technological development level.

2. Advantages of hot-rolled H shaped steel

(1) High structural strength

Compared with I beam, the section modulus is large, and 10-15% of metal can be saved under the same load-bearing conditions.

(2) The design style is flexible and rich

When the beam height is the same, the bays of the steel structure can be 50% larger than those of the concrete structure, making the building layout more flexible.

(3) The structure is light in weight

It is lighter than the self-weight of a concrete structure. The reduction of the self-weight of the structure reduces the internal forces of the structural design, which can make the foundation processing requirements of the building structure lower, make the construction easier, and reduce the cost.

(4) High stability

The steel structure mainly uses hot-rolled H beam. Its structure is scientific and reasonable, with good plasticity and flexibility.
It has high stability and is suitable for building structures that can withstand large vibration and impact loads. It has strong resistance to natural disasters and is especially suitable for some building structures in earthquake-prone areas. According to statistics, when a devastating earthquake of magnitude 7 or above occurs in the world, steel structure buildings dominated by H beam suffer the least damage.

(5) Increase the effective use area of the structure

Compared with concrete structures, the cross-sectional area of steel structure columns is small, which can increase the effective use area of the building. Depending on the different forms of the building, the effective use area can be increased by 4-6%.

(6) Reduce costs

Compared with welded H beam, it can significantly save labor and materials, reduce the consumption of raw materials, energy and labor, has low residual stress, good appearance and surface quality, is easy to machine, structural connection and women's clothing, and is easy to dismantle and reuse. .

(7) Protect the environment

The use of H beam can effectively protect the environment, which is reflected in three aspects: first, compared with concrete, dry construction can be used, which produces less noise and less dust; second, due to the reduced weight, less soil is required for foundation construction, which is The damage to land resources is small. In addition, the amount of concrete is greatly reduced, and the amount of rock excavation is reduced, which is conducive to the protection of the ecological environment. Third, after the service life of the building structure expires, the amount of solid waste generated after the structure is dismantled is small, and the recycling value of scrap steel resources is high.

(8) High degree of industrialization

Steel structures based on hot-rolled H beam have a high degree of industrialization, are convenient for mechanical manufacturing, intensive production, high precision, easy installation, and easy to ensure quality. They can be built into real house manufacturing factories, bridge manufacturing factories, industrial plant manufacturing factories, etc. The development of steel structures has created and promoted the development of hundreds of emerging industries.

(9) Fast construction speed

The project construction speed is fast, the area is small, it is suitable for all-weather construction, and it is less affected by climate conditions. The construction speed of steel structures made of hot-rolled H beam is about 2-3 times that of concrete structures. The capital turnover rate is doubled, which reduces financial costs and thus saves investment.

3.Usages of hot-rolled section steel H beam

Hot-rolled H beam is widely used in beam and column components in industrial and civil building steel structures. Steel structure load-bearing supports for industrial structures. Steel piles and supporting structures for underground projects. Industrial equipment structures such as petrochemical and electric power. Long-span steel bridge components. Ship and machinery manufacturing frame structures. Beam supports for trains, cars and tractors. Port conveyor belts, highway baffle brackets, etc.

Previous：Hot-Rolled vs Welded H Beam

Next：How Long do Steel Pipe Piles Last?