Hot Rolled Steel I-Beam Q345

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 200000 m.t./month

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Specifications of Hot Rolled Steel I-Beam Q345

Standard: ASTM A36, EN10025, JIS, GB, etc.

Grade:S275, S355, SS400, Q235B, A36, Q345, etc

Sizes: 80MM-270MM

Applications of Hot Rolled Steel I Beam

Hot Rolled Steel I Beam is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc.

Hot Rolled Steel I Beam

Package & Delivery Terms of Hot Rolled Steel I Beam

1. Package: All the hot rolled steel I beam will be tired by wire rod in bundles

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. Shipment: In containers or in bulk cargo

Hot Rolled Steel I Beam

6. Delivery time: All the hot rolled steel I Beam will be at the port of the shipment within 45 days after receiving the L/C at sight ot the advance pyment by T/T

7. Payment: L/C at sight; 30% advance payment before production, 70% before shipment by T/T, etc.

Production flow of Hot Rolled Steel I Beam

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

Q: What is the meaning of the number of angle steel: The two sides of an equal angle steel are equal in width. The specifications are expressed in millimeters of edge width * edge width * edge thickness. Such as "/ 30 x 30 x 3", that is 30 mm width equal angle, edge thickness of 3 mm. The model can also be used, also the title number, number is the number of centimeters wide, such as the No. 3 angle angle 3#.

Q: What is the fire resistance rating of steel angles?: The fire resistance rating of steel angles depends on various factors such as the size and thickness of the angle, the type of steel used, and the specific fire protection measures implemented. Steel is inherently fire-resistant due to its high melting point and low thermal conductivity. However, the fire resistance rating can be enhanced by applying fireproofing materials, such as intumescent coatings or fire-resistant boards, to the steel angles. These fire protection measures can significantly increase the fire resistance rating of steel angles by providing insulation and slowing down the transfer of heat to the steel. The specific fire resistance rating can vary based on the thickness and type of fireproofing materials used. For example, a steel angle with a certain fireproofing coating may have a fire resistance rating of 60 minutes, meaning it can withstand exposure to fire for up to 60 minutes before losing its structural integrity. It is important to consult local building codes, regulations, and fire safety standards to determine the specific fire resistance requirements for steel angles in a particular application. These standards can provide guidance on the necessary fire protection measures and the minimum fire resistance ratings that need to be met in different construction scenarios.

Q: How do steel angles perform in extreme temperatures?: Steel angles are renowned for their exceptional performance in extreme temperatures. With their high melting point, they possess the ability to endure both exceedingly high and low temperatures without compromising their structural integrity. When faced with intense heat, steel angles display a remarkable resistance to thermal expansion, thereby preserving their form and strength. Similarly, even in extremely cold conditions, steel angles remain resilient and impervious to brittleness or weakness, ensuring their longevity and dependability. Consequently, steel angles are highly suitable for use in industries such as construction, automotive, and aerospace, where they are frequently subjected to a wide range of temperature variations. Furthermore, steel angles exhibit exceptional fire resistance, further augmenting their effectiveness in extreme temperature scenarios. All in all, when it comes to applications necessitating stability and strength in extreme temperatures, steel angles are the preferred choice.

Q: How do steel angles perform under dynamic loads?: Steel angles generally perform well under dynamic loads due to their inherent strength and durability. The structural shape of steel angles, characterized by their L-shaped cross-section, provides excellent resistance to bending and torsional forces. This design allows them to efficiently distribute dynamic loads and resist deformation, making them suitable for various applications in construction, engineering, and manufacturing industries. However, the specific performance of steel angles under dynamic loads can vary depending on factors such as the grade and quality of the steel, the magnitude and frequency of the dynamic load, and the overall design and reinforcement of the structure.

Q: How do steel angles contribute to the durability of a structure?: Steel angles contribute to the durability of a structure in several ways. First and foremost, steel angles are known for their high strength and load-bearing capacity. They are commonly used in construction to provide added support and stability to various structural elements such as beams, columns, and trusses. The rigidity and strength of steel angles ensure that the structure can withstand heavy loads, impacts, and external forces. This is especially crucial in buildings that are exposed to extreme weather conditions, seismic activities, or high winds. By distributing the load evenly, steel angles help prevent excessive deflection, bending, or deformation that could compromise the integrity and longevity of the structure. Moreover, steel angles are corrosion-resistant, making them ideal for structures that are exposed to moisture, humidity, or harsh environments. Unlike other building materials, steel does not rot, decay, or warp over time. It maintains its structural integrity for an extended period, reducing the need for frequent repairs and replacements. In addition to their strength and corrosion resistance, steel angles also contribute to the durability of a structure through their versatility. They can be easily customized and fabricated into various shapes and sizes, allowing for efficient construction and design flexibility. This adaptability ensures that steel angles can be efficiently integrated into different architectural and engineering requirements, enhancing the overall durability and functionality of the structure. Overall, the use of steel angles in construction significantly enhances the durability of a structure. Their high strength, load-bearing capacity, corrosion resistance, and versatility all contribute to the overall stability, longevity, and structural integrity of the building, ensuring it can withstand various challenges and maintain its durability over time.

Q: Can steel angles be used as framing members in buildings?: Yes, steel angles can be used as framing members in buildings. Steel angles are commonly used in structural applications due to their strength, durability, and versatility. They provide excellent support and stability, making them suitable for framing various building elements such as walls, floors, and roofs.

Q: How do you calculate the compression strength of a steel angle?: To calculate the compression strength of a steel angle, you need to consider its geometric properties and the material properties of the steel. First, you should determine the cross-sectional area of the steel angle. This can be calculated by multiplying the thickness of the angle by the width of the flange and subtracting the area of any holes or cutouts in the angle. Next, you need to determine the yield strength of the steel. The yield strength is the maximum stress that the steel can withstand before it starts to deform permanently. This information can usually be obtained from the steel manufacturer or reference materials. Once you have the cross-sectional area and the yield strength, you can calculate the compression strength using the formula: Compression strength = Yield strength * Cross-sectional area It's important to note that this calculation assumes that the steel angle is subjected to a purely compressive load, without any bending or torsional forces. If the angle is subjected to other types of loading, such as bending or torsion, additional calculations or testing may be required to accurately determine its strength.

Q: How do steel angles contribute to the overall energy efficiency of a building?: Steel angles contribute to the overall energy efficiency of a building in several ways. Firstly, steel angles are commonly used in the construction of building frames and structures, providing the necessary support and stability. By using steel angles instead of other materials, such as wood or concrete, the building can be constructed with fewer materials and therefore reduce the overall energy consumption during the construction phase. Moreover, steel angles are known for their strength and durability, which allows for longer spans and fewer support columns. This not only maximizes the usable space within the building but also reduces the need for additional heating or cooling systems. By minimizing the number of partitions and obstructions, steel angles enable better airflow and natural lighting, thus reducing the energy required for artificial lighting and ventilation. Additionally, steel angles can be used as a thermal barrier, providing insulation and reducing heat transfer. This helps to maintain a comfortable indoor temperature throughout the year, reducing the reliance on heating and cooling systems and consequently saving energy. Furthermore, steel angles have a high fire resistance, making them a safe choice for building construction. This reduces the need for fireproofing materials and systems, leading to energy savings both during construction and throughout the building's lifespan. Lastly, steel is a highly recyclable material, and steel angles can be recycled at the end of a building's life cycle. By incorporating recycled steel angles into new construction projects, the overall energy consumption and environmental impact can be further reduced. In summary, steel angles contribute to the overall energy efficiency of a building by reducing the amount of materials required during construction, optimizing space utilization, enhancing natural lighting and ventilation, providing thermal insulation, ensuring fire safety, and promoting the use of recyclable materials.

Q: How do you prevent galvanic corrosion between steel angles and aluminum components?: To avoid galvanic corrosion between steel angles and aluminum components, there are multiple actions you can take: 1. Implement a barrier: Employ a non-conductive coating or a layer of paint to create a physical barrier between the steel and aluminum surfaces. This will obstruct direct contact between the two metals, decreasing the chances of galvanic corrosion. 2. Use insulating tape or gaskets: Position insulating tape or gaskets made of non-conductive materials, like rubber or plastic, between the steel angles and aluminum components. This will act as a buffer, preventing direct contact and reducing the risk of galvanic corrosion. 3. Select compatible metals: Opt for metals that are more compatible with each other when designing or selecting components. For example, consider using stainless steel or galvanized steel instead of regular steel when paired with aluminum, as this can decrease the risk of galvanic corrosion. 4. Utilize isolation techniques: Isolate the steel angles and aluminum components using techniques like plastic or rubber spacers. These spacers separate the metals, preventing direct contact and minimizing the potential for galvanic corrosion. 5. Apply corrosion inhibitors: Apply special coatings or compounds to the steel and aluminum surfaces that act as corrosion inhibitors. These inhibitors create a protective layer, helping to prevent galvanic corrosion. 6. Control the environment: Galvanic corrosion is accelerated in the presence of moisture, saltwater, or acidic environments. Decrease the exposure of steel angles and aluminum components to these corrosive elements by ensuring proper ventilation, drainage, and maintaining suitable protective coatings. When selecting the most appropriate method or combination of methods to prevent galvanic corrosion between steel angles and aluminum components, it is crucial to carefully consider the specific requirements and conditions of your application. Seeking advice from corrosion experts or engineers can provide valuable insights and tailored guidance for your particular situation.

Q: Are steel angles resistant to earthquakes?: Steel angles can provide some level of resistance to earthquakes. Steel is known for its high strength and ductility, making it a suitable material for seismic-resistant construction. Steel angles, also known as steel L-shaped beams, are often used in structural applications to provide support and reinforcement. During an earthquake, steel angles can help distribute the seismic forces evenly throughout the structure, thereby reducing concentrated stress points. The L-shape design of steel angles enables them to resist bending and twisting forces, which are common during seismic events. Additionally, steel angles can be interconnected and welded together to form a rigid frame system, enhancing their seismic resistance. This system can absorb and dissipate energy from earthquake-induced vibrations, minimizing damage to the structure. However, it is important to note that the overall seismic resistance of a structure depends on various factors, such as the design, construction methods, and adherence to building codes and regulations. Steel angles alone cannot guarantee complete protection against earthquakes, but when properly integrated into a well-designed seismic-resistant system, they can significantly enhance the structure's ability to withstand seismic forces.

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