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 maximum allowable torsional buckling stress for a steel angle?: The maximum allowable torsional buckling stress for a steel angle depends on several factors, including the material properties of the steel, the geometry of the angle, and the applied load conditions. In general, torsional buckling occurs when a member twists under an applied torque, resulting in a loss of stability and potential failure. To prevent torsional buckling, design codes and standards provide guidelines and formulas to determine the maximum allowable stress. For example, the American Institute of Steel Construction (AISC) provides a formula for the calculation of torsional buckling stress in their Steel Construction Manual. This formula takes into account the section properties of the angle, such as the moment of inertia and the radius of gyration, along with the slenderness ratio and the effective length of the member. It is important to note that the maximum allowable torsional buckling stress varies depending on the specific design requirements and safety factors used in the design process. Therefore, it is essential to refer to the relevant design codes and consult with a structural engineer to determine the specific maximum allowable torsional buckling stress for a given steel angle in a particular design situation.

Q: How do steel angles perform in terms of vibration resistance?: Steel angles generally have good vibration resistance due to their rigid and stable structure. The L-shape design of steel angles helps to distribute and absorb vibrations, making them suitable for various applications where vibration resistance is important, such as in construction and engineering projects.

Q: How do you straighten a bent steel angle?: To straighten a bent steel angle, you can use a combination of manual force and mechanical aids. First, secure the angle in a vice or clamp it to a sturdy surface. Then, gently apply pressure in the opposite direction of the bend using a mallet or hammer. For more complex bends, you may need to use a hydraulic press or a bending machine. It is important to apply gradual force and check the angle's alignment frequently to avoid over-straightening or damaging the steel.

Q: Are steel angles affected by creep?: Steel angles can experience creep, which is when a material gradually deforms over time under a constant load or stress. Despite steel's strength and durability, it is not completely resistant to creep. The extent of creep in steel angles depends on factors like the type of steel, temperature, and applied load. Creep can occur in steel angles when exposed to high temperatures or when under sustained loads for extended periods. At high temperatures, the atoms in the steel move faster, causing gradual deformation. This is a concern in applications involving industrial furnaces or boilers, where steel angles are exposed to sustained high temperatures. Sustained loads can also lead to creep in steel angles. Over time, the constant stress on the material causes slow and progressive deformation. This is particularly significant in situations like long-span bridges or tall buildings that subject steel angles to heavy loads for extended periods. To address potential creep effects, engineers and designers must consider application requirements and select the appropriate type of steel angle and design parameters. They may also incorporate additional measures, like support or reinforcement, to minimize the impact of creep on structural integrity. Regular inspection and maintenance help identify signs of creep and take necessary measures to address them.

Q: Can steel angles be used in bridge construction?: Yes, steel angles can definitely be used in bridge construction. Steel angles, also known as L-shaped structural steel, are commonly used as cross-sectional supports in bridge construction. They are particularly useful for providing stability, strength, and rigidity to bridge structures. Steel angles are versatile and can be used for various bridge components such as beams, trusses, and bracing systems. They are often welded or bolted together to form structural connections, ensuring the integrity and load-carrying capacity of the bridge. Steel angles offer several advantages in bridge construction, including their high strength-to-weight ratio, durability, and resistance to corrosion. Overall, steel angles are a reliable and widely used component in the construction of bridges.

Q: Can steel angles be used for supports in construction?: Yes, steel angles can be used for supports in construction. Steel angles are commonly used in construction projects as structural supports due to their strength and versatility. They can be used in various applications such as supporting beams, columns, and frames. Steel angles provide stability and rigidity to the structure, making them suitable for supporting heavy loads and withstanding forces such as gravity and wind. Additionally, they can be easily welded or bolted together, allowing for quick and efficient installation. Overall, steel angles are a popular choice for construction supports due to their durability, strength, and ease of use.

Q: How do steel angles contribute to the sustainability of a project?: Steel angles contribute to the sustainability of a project in several ways. Firstly, steel angles are typically made from recycled steel, reducing the need for virgin materials. This helps to conserve natural resources and minimize the environmental impact of the project. Additionally, steel is one of the most recycled materials in the world, which means that at the end of the project's life cycle, the steel angles can be recycled again, further reducing waste and minimizing the project's carbon footprint. Secondly, steel angles are durable and long-lasting. They have high strength-to-weight ratios, allowing for efficient and cost-effective designs. This durability ensures that the project will have a long lifespan, reducing the need for frequent repairs or replacements. By avoiding premature replacements, the project can minimize waste and the associated environmental impact. Furthermore, steel angles are highly versatile and can be used in a wide range of applications. This versatility allows for efficient use of materials and the ability to adapt to changing needs or requirements. The use of steel angles can also contribute to the overall energy efficiency of a project. For example, steel angles can be used to create structural frames or support systems, which can help optimize the use of natural light and reduce the need for artificial lighting or heating. Lastly, steel angles are highly resistant to corrosion and weathering. This resistance ensures that the project's structural integrity is maintained over time, reducing the need for maintenance and repair activities. This not only saves costs but also minimizes the use of resources and energy associated with maintenance activities. In conclusion, steel angles contribute to the sustainability of a project by being made from recycled materials, being durable and long-lasting, offering versatility in design, and providing resistance to corrosion and weathering. By incorporating steel angles into a project, it is possible to reduce waste, conserve natural resources, optimize energy efficiency, and minimize the overall environmental impact.

Q: How do steel angles perform under wind loads?: Steel angles are commonly used in construction to provide structural support and stability. When it comes to wind loads, steel angles have proven to be highly reliable and effective. The shape and design of steel angles allow them to withstand the force exerted by wind, preventing any significant deformation or failure. Under wind loads, steel angles distribute the force evenly along their length, transferring it to other connected structural members. This helps to minimize the potential for localized stress concentrations and ensures the overall stability of the structure. Steel angles also have high strength and stiffness, making them capable of resisting the bending and twisting forces caused by wind. This is especially important in areas prone to high wind speeds or in tall buildings where wind loads can be more significant. The rigidity of steel angles helps maintain the integrity of the structure and prevents excessive deflection or deformation. Moreover, steel angles can be easily connected to other structural components using various methods such as welding, bolting, or riveting. This allows for a secure and reliable connection that can withstand the wind loads without compromising the overall strength and stability of the structure. In summary, steel angles perform exceptionally well under wind loads due to their shape, strength, and rigidity. They effectively distribute the wind forces and maintain the structural stability, making them a reliable choice for construction projects in areas prone to wind or for structures that need to withstand significant wind loads.

Q: How do steel angles contribute to the overall earthquake resistance of a structure?: Steel angles contribute to the overall earthquake resistance of a structure by providing stability and strength. These structural components are often used to reinforce corners and connections, distributing and transferring the seismic forces throughout the building. Their rigid and load-bearing properties help to resist bending, twisting, and shearing, enhancing the structural integrity and reducing the risk of collapse during an earthquake.

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