High grade hot rolled H-section steel(Q235)
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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I-steel beam (also known as English name I Beam), is the section shape of strip steel i-beam.I-steel divides ordinary I-beam and light I-beam, H type steel three. Is the type of groove shaped steel section shape.
Introduction
I-steel beam (also known as English name I Beam), is an H-shaped steel section. I-steeldivides ordinary I-beam and light I-beam, H type steel three. The I-shaped steel is widely used in various building structures, bridges, vehicles, bracket, machinery etc..
I-beam
The reason of ordinary I-beam wing root and light I-beam to the edge of the progressively thinner, has a certain angle, the ordinary I-beam and light I-beam model is the Arabia digitalwith the waist high cm number to represent, web, flange thickness and width of flange to the different specifications to waist high (H) x width (leg b) * waist thickness (d) without number representation, such as "general 160 x 88 x 6", namely said waist high of 160 mm 88 mm in width, legs, waist thickness of 6 mm is ordinary i-beam. / "light 160 x 81 x 5", namely said waistheight 160 mm, width of 81 mm legs, light I-beam waist thickness is 5 mm. Ordinary I-beamspecifications are available models said, type representation of waist high cm, such asgeneral 16#. Waist high same I-steel, if there are several different wide legs and waist thick,need to add a B C to be the difference in the types of the right, such as general 32#a, 32#b,32#c etc.. Hot rolled ordinary I-beam specifications for 10-63#. Hot rolled ordinary I-beamspecifications of both sides of supply and demand supply for 12-55# protocol.
Ordinary steel
The basic difference
I-beam are divided into ordinary I-beam, light I-beam and H type steel three.
Ordinary I-beam, light I-beam flanges on the web is variable cross section of thick, outer thin;H type steel: HW HM HN HEA HEB flange HEM I-beam is uniform
Ordinary I-beam, light I-beam has formed the national standard, the common 10# I-beamequivalent to the international I100 (such as the 10# channel also equivalent to channel(U100) for countries to implement different standards, resulting in subtle differences in their specifications)
H sections are also called the wide flange steel, HW HM HN derived from the European standard, HEB is the German standard I-beam, where HW, HN I-steel has been widely used in our country and production. HEA HEB HEM seen in many German design will, in the domestic market is also very difficult to buy. In the domestic steel structure engineering, if less, you can use the other specifications of steel plate welding assembled. And a large quantity of words,usually consider the use of mechanical properties and equivalent HW, HN type steel instead of.
HW I-beam is mainly used for reinforced concrete frame column steel column, also known asreinforced steel column; in the steel structure is mainly used for the column
HM type steel height and width of flange is roughly 1.33~~1.75 used for steel frame columnsin frame structure under dynamic load is used for the main frame beam in steel structure; for example: equipment platform
HN type steel height and flange width ratio is greater than or equal to 2; mainly used for beam
Use ordinary I-beam equivalent to HN steel;
The I-shaped steel whether ordinary or light, because the section size are relatively high,narrow, so the moment of inertia of the cross-section of two spindle difference, therefore, can only be used directly in the web plane bending component or its component lattice stress components. The axial compression member or in the perpendicular to the web plane and curved components are not used, thus in their application range is limited.
The H steel is efficient and economic cutting surface profile (there are other cold-formed steel, steel etc.), owing to the section shape is reasonable, they can make the steel higher effectiveness, improve the bearing capacity. Different from the ordinary I-shaped flange type H steel was widened, and the internal and external surface is usually parallel, which can facilitate the connection with high strength bolts and other components. Its size to form a series of reasonable, model complete, easy to use design.
The scope of application
Ordinary I-beam, light I-beam, because the section size are relatively high, narrow, so themoment of inertia of the cross-section of two main sleeve difference, thus in their applicationrange is limited. The I-steel should be based on the requirements of design drawings for choice.
The size design
H steel is efficient and economic cutting surface of steel (there are other cold-formed steel,steel etc.), owing to the section shape is reasonable, they can make the steel higher effectiveness, improve load ability. Different from the ordinary I-beam is flange type H steelwas widened, and the inner and the outer surface is usually parallel, which can facilitate theconnection with high strength bolts and other components. The composition of a reasonablesize, model complete, easy to use design.
In structure design, selection of I-beam should be based on its mechanical properties,chemical properties, weldability, structure size and the reasonable choice of the I-beam touse.
Welding process
Flange type H steel are of equal thickness, a rolling section, there are composite section is composed of 3 blocks of plate welding composition. Ordinary I-beam are rolling section,because of the production process is poor, the flange edge 1:10 slope. H type steel rolling is different from ordinary I-beam with only one set of horizontal roll, because of its wide flangeand no inclination (or slope is very small), so it will be a group of vertical roll at the same timerolling, therefore, the rolling technology and equipment than the conventional mill complex.The maximum rolling H steel of domestic production can be the height of 800mm, more thanonly welding composite section.
- Q: What are the common methods of connecting steel I-beams to concrete structures?
- Some common methods of connecting steel I-beams to concrete structures include using embedded plates, welding, and the use of mechanical connectors such as bolts or anchor rods.
- Q: Can steel I-beams be used in railway infrastructure?
- Certainly, railway infrastructure can make use of steel I-beams. These I-beams are frequently employed in the fabrication of railway bridges and support structures because of their impressive strength-to-weight ratio and durability. Their exceptional load-bearing capacity renders them capable of sustaining the weight of trains and other hefty railway equipment. Furthermore, steel I-beams possess the added advantage of being able to span great distances, rendering them ideal for railway applications necessitating wide spans. Moreover, steel is a versatile material that can be effortlessly fabricated and welded, making it a pragmatic selection for railway infrastructure projects.
- Q: Are steel I-beams suitable for supporting glass curtain walls?
- Yes, steel I-beams are suitable for supporting glass curtain walls. Steel I-beams have excellent strength and load-bearing capabilities, making them a common choice for structural support in various construction applications, including glass curtain walls. The rigidity and durability of steel I-beams ensure the necessary stability and support required for the weight and wind loads of glass curtain walls.
- Q: Can steel I-beams be used in coastal areas with high levels of salt exposure?
- Yes, steel I-beams can be used in coastal areas with high levels of salt exposure, but it is important to take certain precautions to ensure their durability and longevity. Salt exposure can accelerate the corrosion process of steel, leading to rust and deterioration. However, by using corrosion-resistant coatings or materials such as galvanized steel or stainless steel, the I-beams can withstand the harsh coastal environment. Additionally, regular maintenance and inspections are crucial to identify any signs of corrosion early on and take appropriate measures to prevent further damage. Proper drainage systems and protective coatings can also be applied to minimize saltwater contact and mitigate the effects of salt exposure. Overall, with proper precautions and maintenance, steel I-beams can be effectively used in coastal areas with high salt exposure.
- Q: Can steel I-beams be used for shipbuilding?
- Yes, steel I-beams can be used for shipbuilding. They are commonly utilized in the construction of ship hulls and other structural components due to their high strength and durability.
- Q: Can steel I-beams be painted or coated to match the desired aesthetics?
- Yes, steel I-beams can be painted or coated to match the desired aesthetics. Steel I-beams are commonly used in construction and industrial applications, where their strength and load-bearing capabilities are essential. However, their raw steel finish may not always be visually appealing or suitable for certain environments. To match the desired aesthetics, steel I-beams can be painted or coated using various methods. The surface of the beams needs to be properly prepared before painting or coating to ensure adhesion and durability. This typically involves removing any rust, dirt, or contaminants and applying a suitable primer. Once the surface is prepared, different types of paint or coating systems can be used. This can include industrial-grade paints, such as epoxy or polyurethane coatings, which provide excellent protection against corrosion and wear. These coatings can also be customized to achieve the desired color and finish. Additionally, powder coating is a popular method for aesthetic enhancement of steel I-beams. Powder coating involves applying a dry powder to the surface of the beams, which is then cured under heat to create a durable and attractive finish. Powder coating offers a wide range of color options and can provide a smooth, even, and uniform appearance. It is important to note that the choice of paint or coating system should consider the specific requirements of the application. Factors such as environmental conditions, exposure to chemicals or moisture, and the desired level of durability should be taken into account. Consulting with a professional painter or coating specialist can help ensure the best outcome in terms of aesthetics and performance.
- Q: How do steel I-beams handle vibrations from nearby construction or demolition activities?
- Steel I-beams are specifically designed to handle vibrations caused by nearby construction or demolition activities. Due to their sturdy and rigid structure, I-beams have excellent resistance against vibrations. They are often used in construction projects precisely because of their ability to withstand and dampen vibrations, ensuring the safety and stability of the building or structure.
- Q: What are the common maintenance practices for steel I-beams?
- Common maintenance practices for steel I-beams include regular inspection, cleaning, and repainting. Regular inspection is crucial to identify any signs of damage or deterioration. This can be done visually or through non-destructive testing methods such as ultrasonic testing or magnetic particle inspection. Inspections should be performed at least once a year, but more frequently in harsh environments or high-stress areas. Cleaning is essential to remove dirt, debris, and any corrosive substances that may have accumulated on the surface of the I-beams. This can be done using water and mild detergent, avoiding the use of abrasive cleaners or tools that can scratch the surface. Cleaning should be done periodically, especially in areas prone to contamination or in industrial settings. Repainting is necessary to protect the steel I-beams from corrosion. Over time, the existing paint coating may fade or deteriorate, exposing the bare metal to moisture and other corrosive elements. Repainting should be done when the existing coating shows signs of wear or damage. Before repainting, the surface should be cleaned, any loose paint should be removed, and a suitable primer and topcoat should be applied to ensure proper adhesion and protection. Additionally, it is important to address any structural issues or repairs promptly. This may involve reinforcing weak sections, repairing welds, or replacing damaged or worn components. Regular maintenance practices should also include monitoring for signs of excessive deflection, cracking, or bending, as these can indicate structural issues that require attention. In summary, common maintenance practices for steel I-beams involve regular inspection, cleaning, repainting, and addressing any structural issues or repairs promptly. By following these practices, the longevity and structural integrity of the I-beams can be preserved, ensuring the safety and efficiency of the structures they support.
- Q: How do steel I-beams perform in terms of noise insulation?
- Steel I-beams typically do not provide significant noise insulation due to their rigid and dense nature. They are more commonly utilized for their load-bearing capabilities and structural strength rather than their ability to reduce noise transmission. To effectively reduce noise, additional insulation materials or alternative construction techniques should be considered.
- Q: How do steel I-beams compare to concrete beams?
- Steel I-beams and concrete beams have different properties and strengths. Steel I-beams are known for their high strength-to-weight ratio, making them ideal for supporting heavy loads over long spans. They are durable, flexible, and can be easily fabricated to meet specific design requirements. Steel I-beams also have excellent resistance against fire and can withstand extreme temperature changes without significant damage. On the other hand, concrete beams are known for their high compressive strength. They are commonly used in construction projects where heavy loads need to be supported vertically. Concrete beams also provide good sound insulation and have a long service life. However, they are heavier compared to steel beams, which may require additional support and foundations. In summary, steel I-beams are preferred when the main concern is strength and flexibility, while concrete beams are suitable for applications where high compressive strength and durability are required. The choice between the two depends on the specific needs and requirements of the construction project.
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High grade hot rolled H-section steel(Q235)
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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