hot rolled Q235 steel angle bar

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Quick Details

Standard:GB, JIS
Dimensions:20*0.8-20*3
Grade:Q195-Q420 Series
Place of Origin:Hebei, China (Mainland)
Brand Name:DH
Model Number:2.5#
Type:Equal
Application:building

Packaging & Delivery

Packaging Details:	400 pcs/ bundle
Delivery Detail:	15 days

Specifications

Q235 SS400 hot rolled
20*0.8-200*25
high quality low price and good service

Product Description

specifications: 20mm*20mm*0.8mm -20mm*20mm*3mm

2.5mm*25mm*0.8mm- 25mm*25mm*3mm

30mm*30mm*0.8mm -30mm*30mm*4mm

3.5mm*35mm*0.8mm- 35mm*35mm*4mm

38mm*38mm*0.8mm -38mm*38mm*4mm

40mm*40mm*0.8mm -40mm*40mm*5mm

50mm*50mm*0.8mm -50mm*50mm*5mm

length: 5.5m 5.8m 6m 9m 12m

our advantage: 1. thickness can be 0.8mm

2. bottom price

3.reliable quality and service

4. fast delivery

grade:Q235 , Q345, SS400

package: in bundle, fasten by wire rod with tags or according to customers' requirements.

Q: How do you prevent warping of steel angles during fabrication?: To avoid warping of steel angles during fabrication, there are several important measures that can be implemented: 1. Careful handling of materials: It is crucial to handle steel angles with care to prevent bending or warping. They should be stored on a flat surface or rack, ensuring they are not subjected to excessive pressure or force that could cause deformation. 2. Control of heating and cooling: When heat is involved in fabrication processes like welding or cutting, temperature control and minimizing heat input are key. Rapid heating or cooling can lead to thermal expansion or contraction, resulting in warping. It is important to use proper preheating and controlled cooling methods, such as heat sinks or heat treatment processes, to mitigate this risk. 3. Use of proper welding techniques: Welding plays a vital role in steel fabrication, and using incorrect techniques can contribute to warping. It is essential to employ appropriate welding parameters, such as amperage, voltage, and travel speed, to ensure even heat distribution across the workpiece. Additionally, utilizing welding fixtures, clamps, or jigs can help secure the steel angles during welding, minimizing distortion. 4. Reduction of stress concentration: Sharp corners or sudden changes in geometry can create points of stress concentration, which are prone to warping. It is advisable to avoid sharp corners by incorporating radii or chamfers, as these distribute stress more evenly. Furthermore, ensuring proper alignment and fit-up of the steel angles before welding can reduce residual stress and the potential for warping. 5. Implementation of post-welding treatments: After welding, it is crucial to relieve any residual stresses present in the steel angles. This can be achieved through post-weld heat treatment or stress-relieving processes, such as annealing or normalizing. These treatments help reduce internal stresses and minimize the risk of warping. Overall, a combination of careful material handling, controlled heating and cooling, proper welding techniques, stress reduction, and post-welding treatments can greatly contribute to the prevention of warping during the fabrication of steel angles.

Q: How do steel angles perform in high-vibration environments?: Steel angles are well-suited for high-vibration environments due to their excellent structural strength and stability. The inherent properties of steel, such as its high tensile strength and rigidity, allow steel angles to withstand dynamic loads and vibrations without compromising their structural integrity. Steel angles are commonly used in applications such as machinery, construction, and transportation, where vibrations are prevalent. The design of steel angles, with their L-shaped cross-section, also contributes to their performance in high-vibration environments. The right angle shape provides additional support and resistance against bending and torsional forces, making steel angles more resistant to vibrations compared to other materials. This design feature helps to minimize any potential deformation or fatigue that could occur under constant vibrational stress. Moreover, steel angles can be further enhanced to withstand high-vibration environments through surface treatments and coatings. Techniques such as galvanization or painting can provide a protective layer that adds corrosion resistance and prevents degradation of the steel's mechanical properties. This added protection ensures the longevity and durability of steel angles in challenging environments. In summary, steel angles are an ideal choice for high-vibration environments due to their robust nature, L-shaped design, and potential for surface treatments. Their ability to withstand dynamic loads, resist bending and torsional forces, and maintain structural integrity make them reliable and efficient components in various industries where vibration is a concern.

Q: Can steel angles be used in the construction of transmission towers?: Yes, steel angles can be used in the construction of transmission towers. They are commonly used to provide structural support and stability to the towers, ensuring strength and durability in the transmission infrastructure.

Q: How do you specify steel angles in drawings?: To properly describe steel angles in drawings, it is necessary to specify several crucial factors. First and foremost, the dimensions of the angle must be clearly indicated. This can be achieved by specifying the lengths of the legs or the dimensions of the equal sides. For instance, an angle measuring 3 inches by 3 inches with a thickness of 1/4 inch would be denoted as a 3" x 3" x 1/4" angle. The type of angle should also be specified, whether it is L-shaped or unequal. This information is vital in determining the most suitable steel angle for a particular application. Furthermore, it is essential to indicate the grade of the steel angle. Steel angles are available in various grades, each possessing different levels of strength and durability. Common grades include A36, A572, and A588, among others. The grade is typically specified to ensure that the angle meets the required structural or mechanical properties. The length of the steel angle is another significant parameter that must be stated in the drawing. Whether it is a fixed length or a specific range, this information facilitates accurate fabrication and installation. Lastly, any additional requirements or specifications, such as surface finish, tolerance, or specific treatments or coatings, should be clearly stated in the drawing. This ensures that the steel angle is manufactured and installed according to the desired specifications. By including these parameters in the drawings, engineers, fabricators, and contractors can easily identify and procure the necessary steel angles for construction or manufacturing purposes with precision.

Q: How do steel angles perform in cold weather conditions?: Steel angles perform well in cold weather conditions due to their high durability and strength. The properties of steel, such as its ability to withstand extreme temperatures and resist deformation, make it an ideal material for various applications in cold environments. Steel angles are commonly used in construction, infrastructure, and manufacturing industries, where they provide structural support and stability. In cold weather, steel angles maintain their structural integrity, ensuring the safety and longevity of the structures they are used in. Additionally, steel has a low thermal expansion coefficient, meaning it does not contract or expand significantly with temperature changes, making it less susceptible to warping or cracking in freezing conditions. Overall, steel angles are a reliable choice for cold weather conditions, offering excellent performance and reliability.

Q: Can steel angles be used in the construction of pipe racks?: Yes, steel angles can be used in the construction of pipe racks. Steel angles provide structural support and can be used as framing elements for pipe racks. They offer stability, durability, and versatility, making them suitable for supporting and securing pipes in various industrial applications.

Q: Do steel angles come with any warranties?: Yes, steel angles typically come with warranties provided by the manufacturer or supplier. These warranties may vary in terms of duration and coverage, so it is important to check the specific warranty details offered by the supplier before making a purchase.

Q: How do you calculate the compression capacity of a steel angle?: To calculate the compression capacity of a steel angle, you need to consider various factors including the properties of the steel angle and the applied load. Here is a step-by-step guide on how to calculate the compression capacity: 1. Determine the properties of the steel angle: This includes the dimensions of the angle, such as the length, thickness, and width. Additionally, it is important to know the material properties of the steel, such as the yield strength and the modulus of elasticity. 2. Identify the effective length: The effective length of the steel angle refers to the unsupported length of the angle. It is important to consider the effective length because it affects the buckling behavior of the angle under compression. 3. Calculate the slenderness ratio: The slenderness ratio is the ratio of the effective length to the radius of gyration of the steel angle. The radius of gyration can be determined using the dimensions of the angle. The slenderness ratio helps to determine the buckling capacity of the angle. 4. Determine the critical stress: The critical stress is the stress at which the steel angle starts to buckle under compression. It can be calculated using the Euler's formula, which is given by: Critical stress = (π^2 * modulus of elasticity * moment of inertia) / (effective length)^2 5. Calculate the compression capacity: The compression capacity is the maximum load that the steel angle can withstand before it starts to buckle. It can be calculated by multiplying the critical stress by the cross-sectional area of the angle: Compression capacity = critical stress * cross-sectional area By following these steps, you can calculate the compression capacity of a steel angle. However, it is important to note that this is a simplified approach, and for more accurate and precise calculations, it is recommended to consult relevant design codes, standards, or consult a structural engineer.

Q: Where does channel steel use more? Where does angle iron use more?: Hot rolled stainless steel light channel steel (YB164-63) hot rolled light channel steel is a kind of steel with wide legs and thin wall, which has better economic effect than ordinary hot rolled channel steel. Its specifications range from 5-40#. In 1966, standard specifications ranged from 10-40#. Main applications: building and steel structure etc..

Q: How do you determine the required thickness of a steel angle for a specific application?: In order to calculate the necessary thickness of a steel angle for a particular use, several factors must be taken into account. Firstly, it is crucial to establish the load or weight that will be applied to the steel angle. This includes both the dead load (the weight of the angle itself) and any live loads (external forces or loads placed on the angle). Next, the span or distance between supports needs to be determined. The greater the span, the greater the bending moment and deflection that the steel angle will experience. Once the load and span are known, it becomes necessary to compute the maximum allowable stress or bending moment that the steel angle can endure. This is usually done using engineering formulas or structural analysis software. The maximum allowable stress is determined based on the yield strength of the steel and safety factors. By utilizing the maximum allowable stress and the bending moment, the required section modulus of the steel angle can be calculated. The section modulus measures the angle's resistance to bending and is directly related to its thickness. Lastly, the necessary thickness of the steel angle can be determined by selecting a standard angle size that has a section modulus equal to or greater than the calculated value. It is important to note that other considerations, such as corrosion protection, fire resistance, and aesthetics, may also impact the choice of steel angle thickness. Therefore, it is highly recommended to consult structural engineers or adhere to relevant building codes and standards to ensure the safety and performance of the steel angle in a specific application.

Send your message to us

*Email

*TEL

*Quantity

*Unit