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Carbon steel H beam is made of high-quality carbon steel with high strength and good stability. Its cross section is H-shaped, with reasonable structure and strong bearing capacity. The surface has been finely treated to prevent rust and wear. Widely used in construction, bridges and other fields, such as the support structure of large factories, it is a reliable choice for engineering construction.
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Frames and support structures for petrochemical plants are used to withstand the weight of various equipment and pipelines, as well as to cope with possible vibrations and shocks.
In wind farms, the tower is used as the main structural material to support the operation of wind turbines; in thermal power plants, it is used to build the girders and support structures of the plant.
In the track laying of subway and light rail, it is used as the pillow beam of the track to ensure the stability and safety of the track; in the building structure of the station, it is also used to support the ceiling and beams.
In the construction of large stadiums, as the main supporting structure of the roof, it bears huge wind and snow loads.
It is used for supporting structures in mines to ensure the safety of miners and the stability of mines. It is used as the main material for conveyor belt supports in mine transportation systems.
For example, the skeleton of a large greenhouse supports covering materials and withstands the pressure of wind and snow; in the construction of a farm, it serves as roof beams and support columns.
1. Density:
about 7.85 g/cm3, belongs to the high density metal material, which makes it have a larger mass under the same volume, so that it can provide stable support in the structure.
2. Melting point:
generally in the range of 1495 – 1539 degrees Celsius, which determines its use limit and processing conditions in high temperature environment.
3. Thermal expansion coefficient:
relatively large, the size change is more obvious when the temperature changes, in the design and application need to consider the influence of thermal expansion and contraction on the structure.
4. Magnetic:
Most carbon steel H beams have obvious magnetic properties, this property may be exploited in some specific electromagnetic applications.
5. Acoustic performance:
It has certain characteristics for the transmission of sound and needs to be considered in some situations where sound insulation or acoustic control is required.
1. Reaction with oxygen:
In the air, the surface will gradually form an oxide layer. If the environment is humid or rich in corrosive gases, the oxidation rate will be accelerated.
2. Reaction with acid:
It is easy to react violently with strong acids (such as hydrochloric acid, sulfuric acid) to produce hydrogen gas and corresponding salts.
3. Reaction with alkali:
Under certain conditions, it will chemically react with strong alkali, especially in high temperature and concentrated alkali solution.
4. Electrochemical corrosion:
In the electrolyte solution, due to the difference in electrode potential in different parts, electrochemical corrosion is prone to occur, resulting in damage to the material.
