hot rolled Q235 steel angle bar in China

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Quick Details

Standard:GB, JIS
Dimensions:20*0.8-20*3
Grade:Q195-Q420 Series
Place of Origin:Hebei, China (Mainland)
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 calculate the maximum allowable stress for a steel angle?: The maximum allowable stress for a steel angle can be calculated by dividing the ultimate tensile strength of the steel by a factor of safety. This ensures that the stress on the angle remains below its capacity to prevent failure or deformation.

Q: How do steel angles differ from steel channels?: Steel angles and steel channels are frequently utilized in construction and engineering for their structural properties. However, they vary in terms of shape and function. To begin with, steel angles possess an L-shaped cross-section, featuring two legs positioned perpendicular to one another. The lengths of these legs may differ depending on the application. This L-shaped design offers enhanced stability and strength, making steel angles ideal for load-bearing tasks such as supporting beams or columns. They are commonly employed in constructing frames, braces, and reinforcing structures. On the other hand, steel channels possess a U-shaped cross-section, consisting of a flat bottom and two parallel legs connected by a vertical web. The legs of steel channels are typically tapered or rounded at the edges. The U-shaped design provides excellent resistance to bending and torsion, making steel channels suitable for applications requiring structural support and stability, such as framing systems, support beams, and building facades. Another notable distinction between steel angles and steel channels lies in their weight-bearing capacity. Due to their L-shaped design and shorter legs, steel angles are generally more efficient in carrying vertical loads. Conversely, steel channels, with their wider and more extensive cross-section, are better equipped to handle horizontal loads. Regarding installation, steel angles are typically bolted or welded to other steel members, ensuring a robust connection. Conversely, steel channels can be connected through welding, bolting, or even the use of clips or brackets, depending on the specific application and load requirements. In summary, steel angles and steel channels differ in terms of their cross-sectional shape, weight-bearing capacity, and structural properties. Steel angles are L-shaped and excel in vertical load-bearing applications, while steel channels are U-shaped and are more suitable for horizontal load-bearing tasks. Both shapes offer unique advantages and find widespread use in diverse construction and engineering projects.

Q: Can steel angles be used for modular construction?: Absolutely, modular construction can make use of steel angles. Steel angles are widely utilized in the construction industry due to their robustness, adaptability, and cost-efficiency. When it comes to modular construction, steel angles find application in constructing frameworks, supporting structures, and establishing connections between modules. By providing stability and ensuring structural integrity, they guarantee the durability and safety of the modular units. Moreover, steel angles can be effortlessly fabricated and tailored to meet the precise design prerequisites of modular construction ventures. In summary, steel angles are a practical and frequently employed material in modular construction, owing to their multitude of advantages and suitability for the construction process.

Q: What are the different methods for cutting steel angles?: There exists a variety of techniques for cutting steel angles, depending on specific requirements and the tools at hand. Some commonly utilized methods include: 1. Manual cutting: This entails employing a handheld hacksaw or a metal cutting bandsaw to slice through the steel angle. It necessitates significant labor and may not be suitable for large-scale projects or precise cuts. 2. Abrasive cutting: This approach leverages an abrasive wheel or disc to grind through the steel angle. It is typically achieved using an angle grinder or a chop saw. Abrasive cutting is faster than manual cutting and can yield reasonably accurate cuts. 3. Plasma cutting: Plasma cutting involves employing a high-temperature plasma arc to melt through the steel angle. It is an adaptable method that swiftly and accurately cuts through thick steel angles. However, it necessitates specialized equipment and may not be appropriate for small-scale or on-site projects. 4. Laser cutting: Laser cutting utilizes a high-powered laser beam to melt through the steel angle. It is a precise and efficient method that can generate intricate cuts with minimal heat-affected zones. Laser cutting is commonly employed in industrial settings and necessitates specialized equipment. 5. Waterjet cutting: Waterjet cutting utilizes a high-pressure jet of water mixed with abrasive particles to slice through the steel angle. It is a versatile method that yields precise cuts without generating heat or causing distortion. Waterjet cutting is commonly employed in industries where heat-affected zones and material distortion are concerns. 6. Shearing: Shearing involves applying a cutting force to the steel angle using a shear machine, resulting in it fracturing along a predetermined line. It is a swift and efficient method for straight cuts and is commonly employed for high-volume production. The selection of the cutting method hinges on various factors, such as the size and thickness of the steel angle, the desired cut accuracy, the availability of equipment, and the project requirements. It is crucial to consider specific needs and limitations before choosing the most suitable cutting method.

Q: What are the common uses for steel angles?: Steel angles are commonly used in construction and engineering projects for various purposes such as providing structural support, bracing or reinforcing structures, framing walls and ceilings, creating edges or corners, and forming joints and connections between different components.

Q: Can steel angles be used for framing windows and doors?: Absolutely! Framing windows and doors with steel angles is a fantastic option. In construction, these angles are widely favored due to their exceptional strength and durability. They establish a robust structure, guaranteeing ample support and stability for windows and doors. Moreover, steel angles possess remarkable resistance against warping, shrinking, and rotting, making them the perfect choice for any framing requirement.

Q: How are steel angles protected against UV degradation?: Steel angles can be protected against UV degradation through various methods. One common approach is to apply a protective coating or paint on the surface of the steel angles. These coatings typically contain UV inhibitors that prevent the harmful effects of ultraviolet rays. The UV inhibitors in the coatings act as a shield, absorbing or reflecting the UV radiation, thus reducing the potential for degradation. Another method is to galvanize the steel angles. Galvanization involves coating the steel with a layer of zinc, which not only provides corrosion resistance but also offers some protection against UV radiation. Zinc has natural UV-blocking properties, which can help in reducing the effects of UV degradation on the steel angles. In addition to coatings and galvanization, another technique used is to employ weather-resistant materials in the manufacturing of steel angles. These materials are specifically designed to withstand UV exposure and can effectively protect the steel from degradation over time. Regular maintenance and inspections are also crucial for ensuring the continued protection against UV degradation. This includes cleaning the steel angles to remove dirt and debris that can potentially trap moisture and accelerate degradation. Additionally, periodic reapplication of coatings or touch-ups can be performed to ensure the long-term protection of the steel angles against UV radiation. Overall, a combination of protective coatings, galvanization, and the use of weather-resistant materials, along with proper maintenance, can help in effectively protecting steel angles against UV degradation.

Q: What are the different standards and specifications for steel angles?: There are several different standards and specifications for steel angles, including the American Society for Testing and Materials (ASTM) A36 and A572, the Society of Automotive Engineers (SAE) J429, and the European Union (EU) EN 10056. These standards outline the specific requirements for dimensions, chemical composition, mechanical properties, and tolerances of steel angles, ensuring consistency and quality in their production and use.

Q: Can steel angles be drilled or cut?: Yes, steel angles can be drilled or cut using appropriate tools and techniques.

Q: What is the carbon content of steel angles?: The carbon content of steel angles may differ based on the particular grade and type of steel employed. Typically, carbon steel angles possess a carbon content that spans from 0.05% to 0.25%. Nevertheless, certain high carbon steel angles can exhibit a carbon content reaching up to 2.1%. The carbon content of steel angles holds significant importance, as it impacts the strength, hardness, and overall characteristics of the steel.

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