High Quality Unequal Steel Angle System 1

High Quality Unequal Steel Angle

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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Specifications of Unequal Steel Angle:

1.Standards: GB

2.Length: 6m,9m,12m

3.Material: Q235, Q345 or Equivalent

4. Size:

Size (mm)	Mass (mm)	Size (mm)	Mass (mm)
150759	15.4	150909	16.5
1507510	17.0	1509010	18.2
1507512	20.2

Packaging & Delivery of Unequal Steel Angle:

1. 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.

2. With bundles and load in 20 feet/40 feet container, or by bulk cargo, also we could do as customer's request.

3. Marks:

Color mark: 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.

*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

Q: How do you calculate the moment of resistance for a steel angle?: When calculating the moment of resistance for a steel angle, one must take into account the properties of the angle section and its dimensions. The moment of resistance measures the angle's ability to resist bending. The moment of resistance can be calculated using the formula: Moment of Resistance = Plastic Section Modulus multiplied by Yield Strength of Steel The plastic section modulus can be determined using the following formula: Plastic Section Modulus = (Width multiplied by Thickness squared) divided by 6 In this equation, the width refers to the distance between the outer edges of the angle, while the thickness refers to the thickness of the angle section. The yield strength of the steel is a material property that can be obtained from its specification or reference material. It represents the maximum stress the steel can endure without experiencing permanent deformation. By substituting the values of the plastic section modulus and the yield strength of the steel into the formula for the moment of resistance, one can calculate the value. It is important to note that the dimensions used in the calculations should be in consistent units, such as millimeters or inches, depending on the units used for the yield strength value. This calculation provides an estimation of the moment of resistance for a steel angle and is valuable in structural engineering applications for determining the angle section's capacity under bending loads.

Q: How to determine the neutral axis of the angle bar?: For the bolt group, the calculation of the location of the neutral axis is more complex, and is usually approximately assumed on the bottom row of the bolt axis.

Q: Can steel angles be used for HVAC ductwork support?: Certainly, HVAC ductwork support can indeed be achieved through the utilization of steel angles. In construction endeavors, steel angles are frequently employed due to their commendable resilience and robustness. They offer superb reinforcement for an array of purposes, encompassing HVAC ductwork systems. It is effortless to fashion and deploy steel angles, thereby establishing a steadfast structure for the ductwork, guaranteeing stability and optimal operation of the system. Furthermore, steel angles possess the capacity to endure the weight and force applied by the ductwork while exhibiting resistance against corrosion. Consequently, they prove to be an apt preference for prolonged utilization.

Q: Are steel angles heat-treated?: Steel angles are indeed capable of undergoing heat treatment. To modify the physical and mechanical properties of the steel, controlled heating and cooling processes are employed in heat treatment. This can yield various desirable attributes, such as enhanced strength, hardness, toughness, or improved machinability. When it comes to heat treating steel angles, commonly employed techniques include annealing, quenching, tempering, or normalizing. The selection of a specific heat treatment method is contingent upon the desired final properties and the intended application of the steel angles.

Q: How do you design bracing using steel angles?: When designing bracing using steel angles, there are a few key steps to consider. Firstly, it is important to determine the loads that the bracing will need to resist. This can include vertical loads, horizontal loads, or a combination of both. Understanding the magnitude and direction of these loads is crucial in designing effective bracing. Next, the appropriate steel angles must be selected. Steel angles are commonly available in various sizes and thicknesses, and the specific dimensions will depend on the required strength and stiffness of the bracing. It is necessary to choose angles that can adequately resist the anticipated loads without excessive deflection or failure. Once the steel angles are chosen, the bracing system must be designed to provide optimum stability. This involves determining the spacing and arrangement of the angles to ensure that the bracing effectively resists the applied loads. The angles should be strategically positioned to create a stable and rigid structure. Furthermore, the connections between the steel angles and the main structural members must be carefully designed. Adequate connections are essential in transferring the loads from the bracing to the main structure. The connections should be strong, durable, and capable of transmitting both tension and compression forces. During the design process, it is also crucial to consider any potential buckling or instability issues. Steel angles may be susceptible to buckling under certain loading conditions, and appropriate measures should be taken to prevent this. This can include adding additional bracing members, stiffeners, or using thicker angles if necessary. Finally, it is important to consult relevant design codes and standards to ensure compliance with industry guidelines and regulations. These codes provide valuable guidance on the design, fabrication, and installation of steel bracing systems. In summary, designing bracing using steel angles involves determining the loads, selecting appropriate angles, designing an effective bracing system, ensuring proper connections, addressing stability concerns, and following relevant design codes and standards. By carefully considering these factors, a well-designed bracing system can be created to provide the required support and stability to the structure.

Q: What are the standard sizes for steel angles?: The standard sizes for steel angles vary depending on the country and industry standards. In general, steel angles are available in a range of sizes to accommodate different applications and structural requirements. Common sizes include equal angles, which have equal sides, and unequal angles, which have different lengths on each side. Some commonly used standard sizes for steel angles include 25x25mm, 30x30mm, 40x40mm, 50x50mm, 65x65mm, 75x75mm, 100x100mm, 150x150mm, and 200x200mm. However, it is important to note that these sizes may vary and can be customized based on specific project requirements and regional standards.

Q: What is the maximum allowable bearing stress for a steel angle?: The maximum bearing stress that a steel angle can withstand depends on several factors, including the type of steel, angle thickness and size, and specific application or design requirements. Generally, the maximum bearing stress is determined by assessing the angle's structural strength and stability under expected load conditions. To ascertain the maximum bearing stress for a steel angle, it is vital to refer to relevant industry standards, such as the specifications provided by the American Institute of Steel Construction (AISC) or the Eurocode design standards. These standards offer guidelines and formulas to calculate the maximum bearing stress based on the angle's properties and load factors. Moreover, factors like the presence of additional reinforcements, corrosion or surface imperfections, and the method of connection or support can also impact the maximum bearing stress. Hence, it is crucial to consult the appropriate design codes and seek advice from a structural engineer or steel design expert in order to accurately determine the maximum allowable bearing stress for a specific steel angle in a given application.

Q: What are the different surface finishes available for powder-coated steel angles?: There are several different surface finishes available for powder-coated steel angles. These finishes are designed to provide varying levels of durability, aesthetics, and resistance to environmental factors. Some common surface finishes for powder-coated steel angles include: 1. Smooth or Glossy Finish: This is the most common surface finish for powder-coated steel angles. It provides a smooth and glossy appearance, giving the angles a sleek and attractive look. 2. Matte Finish: This surface finish has a low sheen or luster, providing a more subtle and understated appearance. Matte finishes are often chosen for their ability to hide fingerprints, scratches, and other imperfections. 3. Textured Finish: Textured finishes add a unique texture to the surface of the powder-coated steel angles. This can range from a lightly textured appearance to a heavily textured pattern, such as a hammered or pebble finish. Textured finishes not only enhance the aesthetics but also provide additional grip and resistance to slipping. 4. Metallic Finish: Metallic finishes simulate the look of metal, such as stainless steel or bronze, without the actual metal material. These finishes add a touch of elegance and sophistication to the powder-coated steel angles. 5. Wrinkle Finish: Wrinkle finishes create a textured, wrinkled appearance on the surface of the powder-coated steel angles. This finish is often used to hide imperfections in the metal and adds a unique visual appeal. 6. Antique Finish: Antique finishes are designed to give the powder-coated steel angles a weathered and aged appearance. This finish adds character and charm to the angles, making them suitable for vintage or rustic-themed applications. 7. Custom Finishes: In addition to these standard surface finishes, custom finishes can also be applied to powder-coated steel angles. This allows for greater creativity and flexibility in matching specific design requirements or achieving a desired aesthetic effect. It is important to consider the intended use, design preferences, and environmental conditions when selecting a surface finish for powder-coated steel angles. This will ensure that the finish chosen provides both the desired appearance and the necessary durability for the application.

Q: Are steel angles resistant to chemicals?: Yes, steel angles are generally resistant to chemicals due to their high durability and corrosion resistance. However, their resistance may vary depending on the specific type of chemical and environment they are exposed to.

Q: How do steel angles perform under impact or dynamic loading conditions?: Steel angles possess exceptional strength and durability, which makes them well-equipped to withstand impact or dynamic loading conditions. They are resistant to deformation, bending, and fracture when subjected to sudden forces or dynamic loads, thanks to their high tensile and yield strengths. The structural integrity and impact resistance of steel angles are enhanced by their L-shaped cross-section. The angle's flanges evenly distribute the load, effectively transferring the forces to the supporting structure. This design feature enables steel angles to efficiently absorb and distribute impact energy, minimizing the risk of failure or structural damage. In addition, steel angles demonstrate excellent fatigue resistance, enabling them to endure repeated or cyclic loading without weakening or experiencing fatigue failure. This quality is particularly important in applications where dynamic or fluctuating loads are common, such as bridges, cranes, machinery, and various structural components subjected to vibrations or dynamic forces. Furthermore, the impact resistance and toughness of steel angles can be further improved through various techniques, including heat treatment or alloying. These methods can increase the angle's hardness and strength, making it even more capable of withstanding severe impact or dynamic loading conditions. Overall, steel angles are a dependable choice for applications involving impact or dynamic loading conditions. Their combination of high strength, structural integrity, and fatigue resistance allows them to perform exceptionally well under such circumstances, ensuring the safety and longevity of the structures they are incorporated into.

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