Construction H beams/Ibeams GB standard/JIS standard EN standard
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 3000 m.t./month
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Packaging & Delivery
Packaging Detail:packed in bundle, suitable for sea transport (by container) or According to the clients`requirements
Delivery Detail:According to the actual weight
Specifications
joist steel
high quality and factory price
large inventories
short delievery time
good after-sales service
Country of Origin: China
Mill name: Ningbo Preah Vihear Steel Industry Co., Ltd.
Commodity: H beam
Tolerance: Strictly according to the G/B and JIS standard
Delivery time: within 30days
Price term: CIF/ CFR according to clients requirements
Payment terms: 100%Irrevercable L/C At Sight or TT
Product Description
ACCORDING TO STANDARD: JIS G3192 OR GB/T11263-2005
H beam Section sizenma(mm)Weight (kg/m)
Height×BreadthWeb thichnessFlange thichness
100×1006816.9
125×1256.5923.6
150×15071031.1
175×1757.51140.4
200×20081249.9
250×25091471.8
300×300101593.0
300×3001515105.0
350×3501219134.9
400×4001321171.7
148×1006920.7
194×1506929.9
244×17571143.6
294×20081255.8
340×25091478.1
390×3001016104.6
440×3001118120.8
482×3001115110.8
488×3001118124.9
582×3001217132.8
588×3001220147.0
100×50579.3
125×606813.1
150×755714.0
175×905818.0
198×994.5717.8
200×1005.5820.9
248×1245825.1
250×1256929.0
298×1495.5832.0
300×1506.5936.7
346×1746941.2
350×17571149.4
396×19971156.1
400×20081365.4
446×19981265.1
450×20091474.9
496×19991477.9
500×200101688.1
596×199101592.4
600×2001117103.4
700×3001324181.8
800×3001426206.8
900×3001628240.1
- Q: How do you calculate the plastic section modulus of steel H-beams?
- To determine the plastic section modulus of steel H-beams, it is necessary to go through a series of steps. The plastic section modulus serves as a measure of the beam's resistance to bending and is crucial in establishing its load-carrying capability. Firstly, the geometry of the H-beam must be determined. The plastic section modulus relies on various dimensions, including the width, height, flange thickness, and web thickness of the H-beam. These measurements are typically provided by the manufacturer or can be directly measured. Next, the area of the H-beam must be calculated. This involves subtracting the area of the flanges from the area of the web. The formula for the H-beam's area is as follows: Area = (2 * flange thickness * flange width) + (web thickness * web height). The centroid of the H-beam needs to be calculated as well. The centroid represents the point at which the entire area of the H-beam can be considered to act. The formula for determining the centroid is: Centroid = (A1 * y1 + A2 * y2) / (A1 + A2). In this formula, A1 and A2 refer to the areas of the flanges and web, respectively, while y1 and y2 represent the distances from the centroid of each area to the neutral axis. The moment of inertia, which gauges the H-beam's resistance to bending, must also be calculated. The parallel axis theorem can be used to determine the moment of inertia. The formula for the moment of inertia is as follows: I = (A1 * y1^2) + (A2 * y2^2) + (A1 * (y1 - Centroid)^2) + (A2 * (y2 - Centroid)^2). In this formula, A1, A2, y1, y2, and Centroid are defined as in step 3. Finally, the plastic section modulus can be calculated by dividing the moment of inertia by the distance from the neutral axis to the extreme fiber, which is typically the point of maximum stress. The formula for the plastic section modulus is: Z = I / c. In this formula, Z represents the plastic section modulus, I denotes the moment of inertia, and c signifies the distance from the neutral axis to the extreme fiber. By following these steps and utilizing the appropriate formulas, one can accurately compute the plastic section modulus of steel H-beams. This value is crucial in ascertaining the beam's load-carrying capacity and its ability to withstand bending forces.
- Q: How are steel H-beams protected against corrosion during construction?
- During construction, steel H-beams undergo galvanization to protect them from corrosion. Galvanization involves applying a layer of zinc to the steel beams, either through hot-dip galvanization or electroplating. In the hot-dip galvanization process, the steel beams are first cleaned to remove impurities and contaminants. They are then immersed in molten zinc, which adheres to the surface of the beams. This creates a protective layer of zinc that acts as a barrier against corrosion. Alternatively, electroplating can be used to protect steel H-beams from corrosion. This method involves depositing a thin layer of zinc onto the surface of the beams using an electric current. The zinc ions bond with the steel, forming a protective coating. Both hot-dip galvanization and electroplating offer excellent corrosion resistance to steel H-beams. The zinc layer acts as a sacrificial coating, meaning that if the beams are exposed to moisture or corrosive elements, the zinc will corrode before the steel. This sacrificial action helps prolong the lifespan of the beams and prevent structural damage caused by corrosion. Overall, galvanization is crucial in safeguarding steel H-beams from corrosion during construction. By applying a layer of zinc, these beams can endure harsh environmental conditions and maintain their structural integrity over time.
- Q: Can steel H-beams be used in the construction of airports?
- Indeed, airports can utilize steel H-beams in their construction endeavors. Steel H-beams, renowned for their resilience and adaptability, are frequently employed within the construction sector for a multitude of structural applications. When it comes to airport construction, steel H-beams find themselves employed for an array of purposes. These include facilitating the roof structure of terminal buildings, establishing the framework for hangars, constructing bridges and walkways, as well as providing sturdy foundations for aircraft parking areas and runways. The utilization of steel H-beams in airport construction presents an enduring and cost-efficient resolution, guaranteeing the steadfastness and security of the airport's infrastructure.
- Q: What are the different welding techniques used for steel H-beams?
- The different welding techniques commonly used for steel H-beams include shielded metal arc welding (SMAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW). Each technique has its own advantages and limitations, and the choice of technique depends on factors such as the type of steel, joint design, and project requirements.
- Q: How do steel H-beams perform in structures with large spans and cantilevers?
- Steel H-beams are widely used in structures with large spans and cantilevers due to their excellent strength-to-weight ratio and structural stability. These beams are designed to withstand heavy loads and provide maximum support over extended distances. In structures with large spans, steel H-beams offer superior load-bearing capacity, allowing for longer distances between support points. This makes them ideal for applications such as bridges, stadiums, warehouses, and industrial buildings. The H-shape of the beam provides increased strength and rigidity, enabling it to resist bending and deflection under heavy loads. Cantilevers, which are structural elements that extend beyond their supports, also benefit from the use of steel H-beams. The inherent strength of these beams allows for longer cantilever lengths without compromising structural integrity. This is particularly useful in architectural designs that require open spaces or unique configurations, such as cantilevered balconies, overhangs, or roof extensions. Steel H-beams also offer versatility in terms of construction methods and connections. They can be easily welded or bolted together, allowing for efficient and cost-effective assembly. Additionally, their wide flanges provide ample surface area for attaching other structural components, such as columns, girders, or floor systems. Moreover, steel H-beams possess excellent resistance to fire, corrosion, and weathering, making them suitable for both indoor and outdoor applications. Their durability ensures long-term performance and minimal maintenance requirements. In summary, steel H-beams are highly effective in structures with large spans and cantilevers. Their strength, stability, and versatility make them an ideal choice for supporting heavy loads and achieving architectural designs that require extended distances or unique configurations.
- Q: Are steel H-beams suitable for coastal areas with high salt content in the air?
- Steel H-beams are generally suitable for coastal areas with high salt content in the air. However, it is important to consider the specific type of steel used and take proper precautions to ensure longevity and prevent corrosion. Stainless steel or galvanized steel H-beams are highly recommended for coastal areas due to their resistance to corrosion. Saltwater carries a high concentration of salt and moisture, which can accelerate the corrosion process on traditional carbon steel. Stainless steel contains a higher amount of chromium, which forms a protective layer on the surface, preventing corrosion. Galvanized steel, on the other hand, is coated with a layer of zinc, which acts as a sacrificial barrier, protecting the underlying steel from rust. Additionally, regular maintenance and inspections are crucial to identify any signs of corrosion early on. This includes cleaning the H-beams regularly with fresh water to remove salt deposits and applying protective coatings or paints, if necessary. It is also advisable to consult with a structural engineer or a corrosion specialist to determine the specific requirements for the coastal area in question. They can provide guidance on the appropriate steel type, coatings, and maintenance procedures to ensure the longevity and structural integrity of the H-beams in coastal environments.
- Q: Can steel H-beams be used for supporting cantilever structures?
- Indeed, cantilever structures can be supported by steel H-beams. Their high strength and rigidity make H-beams a popular choice for such applications. Cantilever structures typically feature a projecting beam or member that is supported on one end, leaving the other end unsupported. Steel H-beams are capable of providing the necessary support and stability required for these structures. They can withstand heavy loads and resist bending or deflection, thanks to their ability to bear substantial weight. Moreover, the shape of H-beams allows for efficient force transfer, making them well-suited for the unique load distribution in cantilever structures. However, it is crucial to consider the specific requirements and design factors of the cantilever structure, including length, weight, and intended use. This consideration ensures that the appropriate size and strength of the steel H-beams are chosen to ensure optimal performance and safety.
- Q: How do steel H-beams compare to other structural beams, such as I-beams or W-beams?
- Steel H-beams, also known as wide flange beams, offer several advantages compared to other structural beams such as I-beams or W-beams. One key advantage is their high strength-to-weight ratio. H-beams are designed to carry heavy loads while maintaining a relatively light weight, making them suitable for a wide range of applications. Compared to I-beams, H-beams have wider flanges and thinner webs, which distribute the load more evenly. This design feature allows H-beams to support heavier loads and provide better stability. Additionally, the wider flanges offer increased resistance to bending and twisting forces, making H-beams more rigid and less prone to deformations. Another advantage of H-beams over W-beams is their versatility and adaptability. H-beams can be easily modified, cut, and welded to fit specific project requirements. This flexibility allows for greater customization and cost-effectiveness, as it reduces the need for additional fabrication or complex connections. Moreover, H-beams provide better lateral stability compared to W-beams. The wider flanges of H-beams allow for better distribution of lateral loads, such as wind or seismic forces, reducing the risk of structural failure. This makes H-beams a preferred choice in areas prone to high winds or seismic activity. However, it is important to note that the choice between steel H-beams, I-beams, or W-beams depends on the specific application and project requirements. Each beam type has its own advantages and limitations, and it is crucial to consult with a structural engineer or expert to determine the most suitable beam for a particular project.
- Q: What are the maintenance requirements for steel H-beams?
- The maintenance requirements for steel H-beams typically involve regular cleaning to remove dirt, debris, and corrosive substances. Additionally, it is important to inspect for any signs of rust or damage and promptly address them by applying protective coatings or conducting repairs. Regular inspections and maintenance can help ensure the structural integrity and longevity of steel H-beams.
- Q: Can steel H-beams be used in residential balcony or terrace structures?
- Yes, steel H-beams can be used in residential balcony or terrace structures. Steel H-beams are strong and durable, making them suitable for supporting the weight and load of such structures. They provide structural integrity and can be customized to fit the specific dimensions and requirements of the balcony or terrace.
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Construction H beams/Ibeams GB standard/JIS standard EN standard
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 3000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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