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Hot-rolled H-beam steel has wide flanges and large lateral rigidity; it has strong bending resistance, about 5-10% than I-beam steel. The two flanges are parallel to each other, and the structure is convenient.
Specification:
Product Name | Pure Europe Standard Hot Rolled H Beam Steel in Wide Flange Universal Beams UB Universal Columns UC |
Standard | GB/T11263-2010 |
Types | HDGI,PPGI,PPGL |
Material Grade | Q235B,SM490,SS400,Q345B,Q345,etc |
Technique | Hot rolled/welded |
Height | 100-900mm |
Width | 50-400mm |
Web thickness | 5-30mm |
Flange thickness | 7-40mm |
Tolerance | 2-3% |
Surface Treatment | 1),Bared 2),Black painted (varnish coating) 3),Galvanized |
Features:
Hot-rolled H-beams reasonably distribute the aspect ratio of the
section size according to different purposes, and have excellent
mechanical properties and superior use performance.
High structural strength. Compared with the 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 rich. In the case of the same beam
height, the steel structure bay can be 50% larger than the concrete
structure bay, thus making the building layout more flexible.
The structure is light. Compared with the concrete structure, it is
lighter than the concrete structure, and the structure's own weight
is reduced, which reduces the internal force of the structure
design, which can make the building structure foundation treatment
requirements low, simple construction and lower cost.
The steel structure mainly made of hot-rolled H-section steel has
scientific and reasonable structure, good plasticity and
flexibility, and high structural stability. It is suitable for
building structures that withstand large vibration and impact
loads. It has strong resistance to natural disasters, and is
especially suitable for many The building structure in the
earthquake zone. According to statistics, in the world's
devastating earthquake disasters of magnitude 7 or above, steel
structures dominated by H-shaped steel have suffered the least
damage.
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. Depending on the different form of the building, it
can increase the effective use area by 4-6%.
Compared with welding H-shaped steel, it can significantly save
labor and materials, reduce the consumption of raw materials,
energy and labor, with low residual stress, and good appearance and
surface quality.
It is convenient for machining, structural connection and
installation, and easy to dismantle and reuse.
The use of H-section steel 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 lighter weight, the amount of soil taken
for foundation construction is less. Land resource damage is small.
In addition, a large reduction in the amount of concrete and
mountain excavation is beneficial 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 demolished is small, and the recycling value
of scrap steel resources is high .
The steel structure mainly made of hot-rolled H-beam has a high
degree of industrial production, which is convenient for mechanical
manufacturing, intensive production, high precision, convenient
installation, and easy to ensure quality. It can be built into a
real house manufacturing factory, bridge manufacturing factory,
industrial factory manufacturing factory, etc. . The development of
steel structures has created and promoted the development of
hundreds of emerging industries.
The construction speed of the project is fast, the area is small,
and it is suitable for all-weather construction, and it is less
affected by the weather conditions. The construction speed of the
steel structure made of hot-rolled H-section steel is about 2-3
times that of the concrete structure, the capital turnover rate is
doubled, and the financial cost is reduced, thereby saving
investment. Take the "Jinmao Building" in Pudong, Shanghai, my
country's "highest building" as an example. The structural main
body with a main body height of nearly 400 m completed the
structural roofing in less than half a year, while the
steel-concrete structure requires a two-year construction period.
Application:
Beam and column components in the steel structure of industrial and
civil buildings.
Steel structure load-bearing support for industrial structures.
Steel piles and supporting structures for underground projects.
Structure of industrial equipment such as petrochemical industry
and electric power.
Long-span steel bridge components.
Ship and machinery manufacturing frame structure.
Girder supports for trains, cars, and tractors.
Port conveyor belt, highway baffle bracket.