HOT ROLLED STEEL H-BEAM HIGH QUALITY STRUCTURE STEEL GB JIS

HOT ROLLED STEEL H-BEAM HIGH QUALITY STRUCTURE STEEL GB JIS System 1

HOT ROLLED STEEL H-BEAM HIGH QUALITY STRUCTURE STEEL GB JIS

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 40000 m.t./month

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Product Description:

Specifications of Hot Rolled Structural Steel H Beam

1. Standard: GB700-88, Q235B2.

2. Grade: Q235, SS400 or Equivalent

3. Length: 6m,10m, 12m as following table

4. Invoicing on theoretical weight or actual weight as customer request

5.Payment: TT or L/C

6. Sizes:

SIZE（mm）	DIMENSION（kg/m）
100*100	16.9
125*125	23.6
150*75	14
150*150	31.1
148*100	20.7
198*99	17.8
200*100	20.9
248*124	25.1
250*125	29

Usage & Applications of Hot Rolled Structural Steel H Beam

Commercial building structure ;Pre-engineered buildings; Machinery support structure; Prefabricated structure; Medium scale bridges; Ship-building structure. etc.

Packaging & Delivery of Hot Rolled Structural Steel H Beam

1. Packing: it is nude packed in bundles by steel wire rod

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer request.

4. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.

5. Delivered by container or bulk vessel

Production flow of Hot Rolled Structural Steel H Beam

Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation

Q: Are steel H-beams suitable for modular construction?: Yes, steel H-beams are suitable for modular construction. Their strong and durable properties make them an ideal choice for supporting heavy loads and providing structural stability in modular construction projects. Additionally, their uniform shape and standardized dimensions make it easier to assemble and connect the modules, ensuring efficient and reliable construction.

Q: How do you calculate the moment capacity of steel H-beams?: To calculate the moment capacity of steel H-beams, you need to consider factors such as the cross-sectional properties of the beam, the steel grade, and the beam's length. The moment capacity can be determined by calculating the section modulus and multiplying it by the yield strength of the steel. This will provide an indication of the beam's ability to resist bending moments.

Q: How do steel H-beams perform in seismic zones?: Steel H-beams are widely used in construction, including in seismic zones, due to their excellent performance and strength. In seismic zones, where earthquake activity is more prevalent, it is crucial to use materials that can withstand the forces generated by seismic events. Steel H-beams are specifically designed to handle these forces. Their shape, with a vertical web and horizontal flanges, provides excellent resistance to bending and torsion, making them highly effective in seismic zones. The vertical web acts as a support, distributing the load evenly across the beam, while the horizontal flanges resist bending and provide stability. Additionally, steel, as a material, has excellent ductility, which is its ability to deform without breaking. When subjected to seismic forces, steel H-beams can absorb and dissipate energy through their ductility, reducing the risk of sudden failure. This property is crucial in seismic zones, as it allows the structure to undergo some deformation while maintaining its overall integrity. Moreover, steel H-beams are often used in combination with other seismic-resistant techniques, such as moment-resisting frames or base isolation systems, to further enhance their performance. These systems work together to minimize the impact of seismic forces on the structure, ensuring the safety of the building and its occupants. In conclusion, steel H-beams perform exceptionally well in seismic zones. Their design, material properties, and compatibility with other seismic-resistant techniques make them a reliable choice for construction in areas prone to earthquakes.

Q: How do you protect steel H-beams from corrosion?: There are multiple effective techniques available to safeguard steel H-beams against corrosion. One commonly used method involves the application of a protective coating or paint onto the beams' surface. This coating acts as a barrier, preventing moisture and other corrosive agents from coming into contact with the H-beams. It is crucial to ensure that the coating is applied evenly and thoroughly on all surfaces of the beams, including the ends and any exposed edges. Another approach is to galvanize the steel H-beams. Galvanization entails coating the steel with a layer of zinc, which provides excellent corrosion resistance. The zinc coating acts as a sacrificial layer, meaning it corrodes before the steel, thereby prolonging the H-beams' lifespan. Galvanization can be achieved through hot-dip galvanizing, where the H-beams are immersed in molten zinc, or through electro-galvanizing, which involves applying a zinc coating via an electrochemical process. Regular maintenance is also vital to protect steel H-beams against corrosion. This involves inspecting the beams for any signs of damage or rust and promptly addressing any issues. It is important to remove loose rust or scale from the beam's surface using wire brushes or abrasive pads and then apply a suitable primer or coating to prevent further corrosion in affected areas. Furthermore, ensuring proper drainage around the H-beams is crucial in preventing corrosion. The accumulation of standing water or moisture can contribute to the corrosion process. Therefore, it is essential to design and construct structures in a way that facilitates effective water drainage. Additionally, avoiding contact with other materials that may accelerate corrosion, such as certain chemicals or incompatible metals, is important in protecting the steel H-beams. In conclusion, safeguarding steel H-beams from corrosion involves a combination of preventive measures, including coating application and galvanization, regular maintenance, and proper design and construction practices. By implementing these strategies, the lifespan of steel H-beams can significantly increase, ensuring their structural integrity and durability.

Q: Can steel H-beams be used in temporary supports during construction?: Indeed, temporary supports during construction can utilize steel H-beams. Owing to their exceptional strength and durability, steel H-beams are widely employed in construction. They are specifically engineered to endure hefty loads and furnish crucial support for diverse structures. Construction often necessitates temporary supports to ensure stability and avert collapse. Steel H-beams can be effortlessly installed and modified as required, rendering them an optimal selection for temporary supports. Furthermore, their adaptability permits their application in an array of construction undertakings, spanning from modest residential edifices to extensive infrastructure projects. All in all, steel H-beams present an efficient and dependable choice for temporary supports during construction.

Q: How do steel H-beams perform in coastal areas with high salt content?: If steel H-beams in coastal areas with high salt content are properly protected against corrosion, they can perform well. The corrosion process can be accelerated by the high salt content in coastal environments, but steel H-beams can still provide effective structural support if the right measures are taken. Applying protective coatings is a key factor in preventing corrosion in coastal areas. It is important to coat steel H-beams with corrosion-resistant materials like epoxy or zinc coatings. These coatings act as a barrier between the steel and the corrosive elements in the environment, preventing direct contact and reducing the risk of corrosion. Regular inspection and maintenance are crucial in coastal areas with high salt content. It is important to monitor the condition of the protective coatings and address any signs of damage or degradation promptly. This may involve touching up or reapplying the coatings to ensure continuous protection. Furthermore, proper design considerations can help mitigate the effects of salt content. For instance, engineers can incorporate drainage systems into the structure to prevent the accumulation of saltwater, which can increase the likelihood of corrosion. Adequate ventilation and airflow can also help reduce moisture levels around the steel H-beams, minimizing the risk of corrosion. It is important to note that even with these protective measures, steel H-beams in coastal areas with high salt content may still experience some degree of corrosion over time. However, with the appropriate preventive measures and regular maintenance, the performance of steel H-beams can be significantly improved, ensuring their longevity and structural integrity in these challenging environments.

Q: Can steel H-beams be used for industrial warehouses?: Yes, steel H-beams can definitely be used for industrial warehouses. In fact, they are commonly used in the construction of such structures due to their strength, durability, and versatility. H-beams provide excellent load-bearing capabilities, making them ideal for large-scale buildings like warehouses, which often require heavy equipment and storage of goods. Additionally, steel H-beams are resistant to fire, pests, and natural elements, ensuring the safety and long-term durability of the warehouse. They also allow for flexible design options, allowing architects and engineers to create spacious and open layouts. Overall, steel H-beams are an excellent choice for industrial warehouses due to their strength, durability, and adaptability to various construction needs.

Q: Are steel H-beams suitable for use in the construction of cultural centers or theaters?: Certainly! Steel H-beams prove to be a viable option for the construction of cultural centers or theaters. In the construction industry, these H-beams are extensively utilized owing to their remarkable strength and durability. Their exceptional load-bearing capabilities render them perfect for supporting the weight of substantial structures like cultural centers or theaters. Moreover, steel H-beams possess the added advantage of spanning long distances, thus enabling more versatile and open designs for such buildings. Furthermore, steel, being an environmentally-friendly and sustainable material, emerges as the preferred choice for construction projects. In conclusion, steel H-beams offer a dependable and appropriate solution for the construction of cultural centers or theaters.

Q: Are there any limitations or restrictions on the use of steel H-beams?: Certain limitations and restrictions exist regarding the utilization of steel H-beams. Several key factors must be considered: 1. Load-bearing capacity: The load-bearing capacity of steel H-beams is determined by their size, shape, and material grade. It is critical to select an H-beam that can withstand the expected loads and stresses in a given application. Failure to do so can result in structural failure. 2. Span length: The distance between supports, known as the span length, is an important consideration when working with steel H-beams. Longer spans may necessitate larger and stronger beams to ensure structural integrity. Seeking guidance from structural engineers or referring to relevant building codes can help determine the appropriate span length for a specific application. 3. Structural design: Proper design guidelines and engineering principles should be followed when using steel H-beams. Adhering to structural design codes and regulations is essential for safety and compliance. 4. Environmental conditions: Steel H-beams may be susceptible to corrosion, particularly in harsh environmental conditions. In such cases, additional protective measures such as coatings or galvanization may be necessary to enhance durability. 5. Welding and fabrication: Installation of steel H-beams often involves welding or fabrication. It is crucial to adhere to proper welding procedures and techniques to maintain the structural integrity of the beams. Incorrect welding or fabrication can weaken the beams and compromise their load-bearing capacity. 6. Fire resistance: Steel H-beams are generally not fire-resistant. In environments prone to fires, additional measures like fire-resistant coatings or insulation may be required to safeguard the beams and preserve their structural stability during a fire. 7. Code compliance: Local building codes and regulations may impose specific limitations or restrictions on the use of steel H-beams. It is important to be aware of and comply with these codes to ensure safety and adherence. To assess the specific limitations and restrictions that may apply in a particular use case, it is advisable to consult with a structural engineer or relevant professionals.

Q: What are the maximum deflection limits for steel H-beams?: The maximum deflection limits for steel H-beams depend on various factors such as the type of beam, its size, and the specific application or industry standards being followed. Generally, deflection limits are specified to ensure the structural integrity and safety of the beam under different loads. In the construction industry, deflection limits for steel H-beams are typically outlined in building codes or engineering standards. For example, the American Institute of Steel Construction (AISC) provides guidelines for maximum deflection limits in their specification documents. According to AISC, the maximum allowable deflection for a simply supported H-beam should not exceed the length of the beam divided by 360. However, it is important to note that these deflection limits are not universally applicable and can vary depending on the specific application or project requirements. Other factors like the type of loading, span length, and the intended use of the beam can also influence the maximum allowable deflection. To determine the appropriate deflection limits for a steel H-beam, it is recommended to consult relevant building codes or engineering standards specific to your project or seek the expertise of a structural engineer. They can assess the requirements and provide accurate deflection limits that ensure the safety and performance of the H-beam in its intended application.

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