GB Standard Steel H Beam 388mm-400mm with Good Quality

GB Standard Steel H Beam 388mm-400mm with Good Quality System 1

GB Standard Steel H Beam 388mm-400mm with Good Quality

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 40 m.t

Supply Capability:: 15000 m.t/month

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Specifications of GB Standard Steel H Beam 388mm-400mm with Good Quality For Sale:

1. Standard: GB Standard

2. Grade: Q235

3. Length: 12m

Size and mass:

Size (mm)	Mass (Kg/m)	Size (mm)	Mass (Kg/m)
3961997.0	56.1	40030010.0	105
4002008.0	65.4	38840215.0	140

Usage & Applications of GB Standard Steel H Beam 388mm-400mm with Good Quality:

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

Production flow of GB Standard Steel H Beam 388mm-400mm with Good Quality:

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

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Images of GB Standard Steel H Beam 388mm-400mm with Good Quality:

GB Standard Steel H Beam 388mm-400mm with Good Quality

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Q: Are there any maintenance requirements for Steel H-Beams?: Steel H-Beams require maintenance to ensure their structural integrity remains intact. Despite being a highly durable material, steel is still susceptible to various factors that can impact its stability over time. Here are some maintenance requirements to consider: 1. Conduct Regular Inspections: It is crucial to have qualified professionals regularly inspect the steel H-beams for any signs of damage, corrosion, or deformations. These inspections will help determine if any maintenance or repairs are needed. 2. Keep them Clean: Regular cleaning is necessary to remove dirt, dust, and debris that may accumulate on the surface of the steel beams. Use a mild detergent or specialized steel cleaner, followed by rinsing with water. Avoid abrasive materials or harsh chemicals that could damage the protective coating. 3. Prevent Corrosion: Steel H-beams are prone to corrosion, especially in humid or coastal environments. To prevent this, apply a protective coating or paint to act as a barrier against moisture and corrosive elements. Regularly inspect the coating for damage and touch up as needed. 4. Address Structural Issues: If any structural problems are identified during inspections, such as cracks, bends, or excessive deflection, immediate repairs should be carried out. Depending on the severity, repairs may involve reinforcing, welding, or replacing sections. It is essential to involve experienced engineers or contractors in steel structures for these repairs. 5. Monitor Load: Steel H-beams have specific load capacities. It is crucial to monitor and ensure that the applied loads do not exceed their design limits. Overloading can lead to structural failures or premature deterioration. Regularly assess the loads and consult professionals to ensure proper weight distribution and prevent potential issues. By adhering to these maintenance requirements, steel H-beams can maintain their structural integrity and longevity. Consult experts in steel structures or engineers for project-specific guidance.

Q: What are the different methods of protecting steel H-beams from fire?: There are several methods of protecting steel H-beams from fire. One common method is applying fire-resistant coatings or intumescent paints, which expand when exposed to heat and create a protective barrier. Another method is encasing the beams in fire-resistant materials such as gypsum board or concrete. Additionally, fireproofing sprays and wraps can be used to provide insulation and delay the effects of heat on the steel beams.

Q: Can steel H-beams be used for overhead crane support?: Steel H-beams are a viable option for supporting overhead cranes. They are widely used in the construction industry due to their strength and durability. Their unique shape enables them to bear heavy loads efficiently, making them suitable for overhead crane support. Moreover, H-beams are offered in different sizes and can be effortlessly joined together through welding or bolting to create the desired support structure for an overhead crane. Nevertheless, it is crucial to take into account the specific requirements of the crane system and seek guidance from a structural engineer or crane manufacturer to ensure that the H-beams are appropriately designed and installed to meet the necessary safety and load-bearing standards.

Q: In the steel-concrete composite beam, how to choose the type of steel if H steel is used?: You say that the model of steel is Q234 or Q345, Q235-B and C, D and E carbon structural steel are used in the section steel and steel plate.

Q: What are the different welding techniques used for steel H-beams?: Steel H-beams can be welded using a variety of techniques. These techniques include: 1. Arc Welding: The most widely used technique for steel H-beams. It involves creating a weld by generating an electric arc between an electrode and the base metal. Arc welding can be further categorized into shielded metal arc welding (SMAW), gas metal arc welding (GMAW), and flux-cored arc welding (FCAW). Each sub-category has its own pros and cons, and the choice of technique depends on factors like the steel thickness and desired weld quality. 2. Gas Tungsten Arc Welding (GTAW): Also known as TIG welding, this method utilizes a non-consumable tungsten electrode to create the weld. A filler metal is manually added to the weld pool. GTAW is renowned for its high-quality welds and is often employed for precise and aesthetically pleasing applications. 3. Submerged Arc Welding (SAW): This technique involves using a continuously fed wire electrode and a granular flux that covers the weld area. The arc is maintained beneath a layer of flux, which safeguards the weld against contamination. SAW is commonly used for welding thick steel sections and is recognized for its high deposition rate and deep penetration. 4. Laser Beam Welding (LBW): LBW employs a highly focused laser beam to create the weld. It is known for its exceptional precision and narrow heat-affected zone, making it suitable for welding thin steel H-beams. However, LBW is a relatively expensive technique that requires specialized equipment. The choice of welding technique for steel H-beams depends on various factors such as steel thickness, desired weld quality, production volume, and available equipment. Each technique has its own advantages and limitations, so it is crucial to select the most suitable technique based on the specific project requirements.

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 the properties of the beam, including the dimensions and material properties. The moment capacity, also known as the bending strength or flexural strength, is a measure of the beam's ability to resist bending forces. The moment capacity of a steel H-beam can be calculated using the following steps: 1. Determine the section properties: The first step is to calculate the section properties of the H-beam, such as the moment of inertia (I) and the section modulus (Z). These properties depend on the dimensions of the beam, including the flange width, flange thickness, web height, and web thickness. These properties can be found in structural design manuals or obtained from the manufacturer's specifications. 2. Determine the yield strength: The next step is to determine the yield strength (Fy) of the steel material used in the H-beam. This value represents the maximum stress that the steel can withstand without permanent deformation. The yield strength can also be obtained from design manuals or manufacturer's specifications. 3. Calculate the plastic moment capacity: The plastic moment capacity (Mp) is the maximum moment that the beam can resist before it starts to yield (plastic deformation). It is calculated by multiplying the yield strength (Fy) by the section modulus (Z). The formula for calculating the plastic moment capacity is Mp = Fy * Z. 4. Determine the allowable moment capacity: The plastic moment capacity is not always the limiting factor in design. Depending on the design requirements and safety factors, the allowable moment capacity may be lower than the plastic moment capacity. The allowable moment capacity is calculated by multiplying the plastic moment capacity by a factor of safety (Fs). The factor of safety accounts for uncertainties in materials, loads, and other design considerations. The formula for calculating the allowable moment capacity is Ma = Mp * Fs. By following these steps, you can calculate the moment capacity of steel H-beams and ensure that the beam is designed to withstand the required bending forces in a safe and efficient manner. It is important to consult design codes, standards, and structural engineering principles to ensure the accuracy and reliability of the calculations.

Q: What are the different fire protection methods for steel H-beams?: Some of the different fire protection methods for steel H-beams include intumescent coatings, fire-resistant sprays or paints, and the use of fire-resistant boards or cladding. These methods are designed to delay the heating of the steel beams and prevent them from reaching critical temperatures, thereby preserving their structural integrity during a fire.

Q: Are steel H-beams vulnerable to termites or pests?: No, steel H-beams are not vulnerable to termites or pests as they are made of solid steel which is not a food source or conducive to infestation.

Q: Hot rolled H section steel: H is divided into hot-rolled H steel and welded H steel (H) two, hot-rolled H steel is divided into wide flange, H steel (HW), flange H (HM) and narrow flange H (HN) three.HW is a H type steel flange height and width substantially equal; mainly used for reinforced concrete frame column steel column, also known as rigid steel column; column is mainly used in steel structureHM is of H steel, and the width and flange width ratio is approximately 1.33~~1.75, mainly in the steel structure: used as steel frame columns, used as frame beams in frame structures subjected to dynamic loads; for example: equipment platformHN is H steel with a flange width ratio greater than or equal to 2, mainly used for beams; the use of I-beam is equivalent to that of HN;

Q: What's the difference between I-beam and H steel?: H steel is a kind of economical section steel with better mechanical properties than I-beam. Its shape is named after its English letter "H". The flange of hot rolled H steel is wider than that of I-beam, big lateral rigidity and strong bending resistance. Under the same specifications, H steel is lighter than i-beam.

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