high qualigy hot rolled Q235 steel angle bar

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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)
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.

high qualigy hot rolled Q235 steel angle bar

Q: Can steel angles be used in staircases?: Yes, steel angles can be used in staircases. Steel angles are commonly used as structural elements in construction due to their strength and versatility. In staircases, steel angles can be used to provide support and stability to the steps and handrails. They are often used as stringers, which are the inclined structural members that support the treads and risers of the staircase. Steel angles can also be used to reinforce the connections between the treads and risers, ensuring the structural integrity of the staircase. Additionally, steel angles can be used as handrails or balusters, providing a secure and durable railing system. Overall, steel angles offer a reliable and cost-effective solution for constructing staircases that can withstand heavy loads and meet the necessary safety standards.

Q: How do you prevent steel angles from corroding in saltwater environments?: In order to prevent corrosion of steel angles in saltwater environments, there are several measures that can be taken: 1. Galvanization is a highly effective method for corrosion prevention. This involves applying a protective layer of zinc to the steel angles, which acts as a sacrificial anode and prevents direct contact with saltwater. The zinc coating corrodes instead of the steel, ensuring its longevity. 2. Barrier coatings, such as epoxy, polyurethane, or other corrosion-resistant paints, can be applied to provide an additional layer of protection against saltwater. These coatings act as a physical barrier, shielding the steel from the corrosive effects of saltwater. 3. Cathodic protection is another effective technique for preventing corrosion in saltwater environments. This involves connecting the steel angles to a sacrificial anode made of a more active metal, like aluminum or magnesium. The sacrificial anode corrodes instead of the steel, offering protection to the steel angles. 4. Regular maintenance is crucial to prevent corrosion in saltwater environments. This includes regularly inspecting and cleaning off any salt deposits or contaminants that may have accumulated. Any damaged or missing protective coatings should be repaired. Additionally, routine checks should be conducted to ensure the effectiveness of galvanization or cathodic protection systems. 5. Material selection plays a significant role in enhancing the resistance of steel angles to saltwater corrosion. Choosing corrosion-resistant alloys or stainless steel, such as grade 316 or duplex stainless steels, can greatly enhance their durability in saltwater environments. By implementing these preventive measures, the steel angles can be protected from the corrosive effects of saltwater, ensuring their long-lasting durability even in challenging marine conditions.

Q: What are the load-bearing capacities of different sizes and types of steel angles?: The load-bearing capacities of different sizes and types of steel angles can vary depending on various factors such as the type of steel, size of the angle, and the specific application. Steel angles are commonly used in construction and engineering projects to provide structural support and stability. The load-bearing capacity of a steel angle is primarily determined by its cross-sectional area, which is influenced by the size and thickness of the angle. Larger and thicker steel angles generally have higher load-bearing capacities compared to smaller and thinner angles. The American Institute of Steel Construction (AISC) provides guidelines and tables that specify the allowable loads for various steel angles based on their dimensions and the type of steel used. These tables consider factors such as the angle's shape, length, and the orientation of the load. It is important to note that load-bearing capacities can also be influenced by the specific type of steel used in the angle. Different types of steel, such as carbon steel, stainless steel, or alloy steel, have varying mechanical properties that affect their load-bearing capabilities. For example, stainless steel angles tend to have higher load-bearing capacities and better corrosion resistance compared to carbon steel angles. It is recommended to consult engineering handbooks, structural design codes, or consult with a professional engineer to determine the specific load-bearing capacities of different sizes and types of steel angles for a particular application. These resources provide detailed information and calculations based on industry standards to ensure the safe and efficient use of steel angles in structural designs.

Q: How do you bend steel angles?: To bend steel angles, you will need to follow a few steps. Firstly, make sure you have the right tools and equipment, such as a bending machine or a bending brake. These tools are specifically designed to bend metal angles accurately and efficiently. Next, measure and mark the desired bending point on the steel angle. Use a ruler or a measuring tape to ensure accurate measurements. It is essential to have precise markings to achieve the desired angle. After marking the bending point, secure the steel angle tightly in the bending machine or brake. This will prevent any movement or slippage during the bending process. Now, carefully position the bending machine or brake to align with the marked bending point. Adjust the bending angle according to your requirements. This can usually be done by adjusting the clamps or handles on the machine. Once everything is properly aligned, apply gradual pressure to the bending machine or brake. Start with a low pressure and gradually increase it until the steel angle starts bending. Be patient and avoid applying excessive force, as this can cause the angle to deform or break. Continue applying pressure until the desired angle is achieved. Use a protractor or angle measuring tool to ensure accuracy. If necessary, make any minor adjustments to the angle by repositioning the steel angle in the bending machine or brake. Once the bending process is complete, carefully remove the steel angle from the bending machine or brake. Inspect the angle for any imperfections or deformities. If there are any issues, you may need to repeat the bending process or make adjustments to your technique. It is important to note that bending steel angles can be challenging, especially if you are not experienced or do not have the right tools. If you are unsure about the process, it is recommended to seek professional assistance or consult with a metal fabrication expert who can guide you through the bending process safely and accurately.

Q: Can steel angles be used as supports for overhead doors or garage doors?: Yes, steel angles can be used as supports for overhead doors or garage doors. Steel angles provide structural stability and strength, making them suitable for supporting the weight of these doors. Additionally, steel angles are resistant to corrosion and can withstand heavy loads, making them a reliable choice for this purpose.

Q: How do you prevent steel angles from rusting?: To prevent steel angles from rusting, it is important to apply a protective coating such as paint, varnish, or a corrosion-resistant primer. Additionally, keeping the steel angles away from moisture and humidity, and ensuring proper ventilation can help avoid rust formation. Regular inspection and maintenance, including cleaning and reapplying the protective coating when necessary, are also essential in preventing rust on steel angles.

Q: What are the different grades of steel used for manufacturing steel angles?: There are several different grades of steel that are commonly used for manufacturing steel angles. These include: 1. Mild Steel: This is the most common grade of steel used for manufacturing steel angles. It has a low carbon content and is relatively inexpensive. Mild steel angles are suitable for a wide range of applications and have good weldability and formability. 2. High-strength low-alloy (HSLA) steel: This grade of steel contains small amounts of alloying elements such as copper, vanadium, or niobium, which enhance its strength and toughness. HSLA steel angles are commonly used in structural applications where high strength and durability are required. 3. Stainless Steel: Stainless steel angles are manufactured using alloys that contain a high percentage of chromium, which provides excellent corrosion resistance. These angles are commonly used in environments where corrosion is a concern, such as coastal areas or chemical plants. 4. Carbon Steel: Carbon steel angles are made from a combination of iron and carbon, with carbon content typically ranging from 0.05% to 2.1%. The higher the carbon content, the stronger and harder the steel. Carbon steel angles are commonly used in construction and machinery manufacturing. 5. Alloy Steel: Alloy steel angles are made by adding various alloying elements such as manganese, nickel, chromium, or molybdenum to carbon steel. These additions improve the strength, hardness, and resistance to wear and corrosion of the steel. Alloy steel angles are commonly used in heavy-duty applications such as mining equipment or industrial machinery. The choice of grade of steel for manufacturing steel angles depends on the specific requirements of the application, including the desired strength, durability, corrosion resistance, and cost.

Q: Can steel angles be used for green building projects?: Yes, steel angles can be used for green building projects. Steel is a highly sustainable and eco-friendly material due to its durability, recyclability, and energy efficiency. Steel angles, also known as L-shaped steel, are commonly used in construction for their strength and versatility. They can be utilized in various ways in green building projects, such as framing, structural support, and reinforcement. Steel angles are often made from recycled steel, reducing the need for extracting new raw materials and minimizing waste. Additionally, steel can be recycled indefinitely without losing its strength or quality, making it a highly sustainable option. The use of recycled steel angles in green building projects helps to reduce carbon emissions and conserve natural resources. Furthermore, steel is an energy-efficient material that can contribute to the overall energy efficiency of a building. Steel angles can be used in the construction of energy-efficient systems like solar panel mounting structures, wind turbine towers, and other renewable energy infrastructure. Steel's strength and durability also allow for the design of lightweight structures, reducing the overall energy required for construction and transportation. Steel angles are also resistant to pests, fire, and moisture, ensuring the longevity and durability of green buildings. Their versatility allows for easy integration with other sustainable building materials, such as recycled concrete, wood, and glass, further enhancing the environmental performance of the project. In conclusion, steel angles can definitely be used for green building projects. Their sustainability, durability, recyclability, and energy efficiency make them an ideal choice for constructing environmentally friendly and sustainable buildings.

Q: What are the different grades of steel angles?: There are several different grades of steel angles, each with its own unique properties and characteristics. Some of the most commonly used grades include A36, A572, and A588. A36 steel angle is the most commonly used grade and is known for its high strength and versatility. It has a minimum yield strength of 36,000 psi, making it suitable for a wide range of applications. A36 steel angle is often used in construction projects, as well as for structural support in buildings and bridges. A572 steel angle is another popular grade, known for its superior strength and durability. It has a minimum yield strength of 50,000 psi, making it ideal for heavy-duty applications. A572 steel angle is commonly used in construction projects requiring high strength, such as in the construction of skyscrapers and large buildings. A588 steel angle is a corrosion-resistant grade that is often used in outdoor and marine environments. It has a minimum yield strength of 50,000 psi and is designed to withstand exposure to harsh weather conditions and corrosive elements. A588 steel angle is commonly used in coastal areas, as well as in the construction of bridges and other structures exposed to saltwater or high humidity. These are just a few examples of the different grades of steel angles available. The choice of grade depends on the specific application and the required properties, such as strength, corrosion resistance, and durability. It is important to consult with a professional or refer to industry standards when selecting the appropriate grade of steel angle for a particular project.

Q: How do you determine the required angle size for a specific load?: Several factors must be taken into account in order to determine the necessary angle size for a specific load. Firstly, the weight of the load needs to be established. This can be achieved by either measuring the object's mass or consulting relevant engineering specifications. Secondly, it is crucial to know the angle of inclination or the slope at which the load will be placed. The angle of inclination will impact both the force exerted on the angle and the stability of the load. Furthermore, the type and material of the angle being used should be considered. Different materials have varying load-bearing capacities, and the type of angle (e.g., steel, aluminum, or wood) will dictate its maximum load-bearing ability. In addition, the length of the angle and the number of supporting points should be taken into consideration. Longer angles may require extra support to evenly distribute the load and prevent bending or deformation. Once all of these factors have been determined, engineering formulas and principles can be utilized to make calculations. These calculations will take into account the weight of the load, the angle of inclination, and the material properties of the angle to determine the required angle size. It is important to note that, when designing for safety, engineers typically incorporate a factor of safety to ensure that the angle can handle loads exceeding the expected maximum. This factor accounts for variables such as dynamic loads, unforeseen circumstances, and wear and tear over time. In conclusion, determining the necessary angle size for a specific load involves considering the weight of the load, the angle of inclination, the material properties of the angle, the length of the angle, and the number of supporting points. Through calculations and incorporating a factor of safety, the appropriate angle size can be determined to ensure the load is supported safely and effectively.

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