hot rolled Q235 steel angle bar in China

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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:What are the common surface treatments used for steel angles?: The common surface treatments used for steel angles include galvanization, powder coating, and painting.

Q:Can steel angles be used in the construction of sports stadiums?: Yes, steel angles can be used in the construction of sports stadiums. Steel angles are commonly used as structural components in various construction applications, including sports stadiums. They provide strength, support, and stability to the overall structure, making them a suitable choice for constructing large-scale venues like sports stadiums.

Q:Can steel angles be used in cold-formed steel construction?: Yes, steel angles can be used in cold-formed steel construction. They are commonly used as structural members in framing systems, providing support and stability to the overall structure. Steel angles are particularly useful in load-bearing walls, roof trusses, and floor systems, as they offer excellent strength and durability. Additionally, their versatility allows for various design possibilities in cold-formed steel construction.

Q:What are the common lengths available for steel angles?: The common lengths available for steel angles vary, but they typically range from 20 feet to 40 feet.

Q:How does the price of steel angles vary based on size and grade?: The price of steel angles can vary based on both the size and grade of the steel. Firstly, the size of the steel angle plays a significant role in determining its price. Generally, larger steel angles tend to be more expensive than smaller ones. This is due to the fact that larger angles require more raw material and involve more manufacturing processes, resulting in higher production costs. As a result, the price of steel angles tends to increase as the size or length of the angle increases. Secondly, the grade of the steel also influences its price. Steel angles are produced in various grades, each offering distinct characteristics and properties. Higher-grade steel angles, such as stainless steel or structural steel, are generally more expensive compared to lower-grade options like mild steel. This is because higher-grade steels often require more advanced manufacturing techniques and superior quality raw materials, which contribute to the higher production costs and subsequently drive up the price. Additionally, factors such as market demand, availability of raw materials, and manufacturing efficiency can also impact the price of steel angles. Fluctuations in demand and supply can lead to price variations, with higher demand often resulting in higher prices. Moreover, the availability and cost of raw materials used to produce steel angles, such as iron ore and scrap metal, can affect the overall price. Lastly, improvements in manufacturing processes and technology can lead to increased efficiency, potentially lowering production costs and influencing the final price of steel angles. In summary, the price of steel angles is influenced by both their size and grade. Larger angles and higher-grade steels tend to be more expensive due to increased production costs. Additionally, market demand, raw material availability, and manufacturing efficiency can also impact the price of steel angles.

Q:What are the different methods for reinforcing steel angles?: There are several methods for reinforcing steel angles, depending on the specific structural needs and design requirements. Some of the common methods include: 1. Welding: This is the most commonly used method for reinforcing steel angles. Welding involves joining two or more steel angles together using heat and pressure to create a strong and durable connection. It is important to ensure proper welding techniques and procedures are followed to maintain the integrity of the reinforcement. 2. Bolting: Another method for reinforcing steel angles is through the use of bolts. Bolts are inserted through holes in the angles and tightened to create a secure connection. This method is often used when the reinforcement needs to be adjustable or removable. 3. Riveting: Riveting is a traditional method for reinforcing steel angles. It involves inserting a pin or rivet through holes in the angles and securing it by deforming the end of the pin. This creates a strong and permanent connection between the angles. 4. Adhesive bonding: In some cases, adhesive bonding can be used to reinforce steel angles. This method involves applying a special adhesive to the surfaces of the angles and then pressing them together. The adhesive hardens and forms a strong bond between the angles. 5. Plate strengthening: When additional reinforcement is required, steel plates can be attached to the angles. These plates are typically welded or bolted to the angles to increase their strength and load-bearing capacity. 6. Reinforcing bars: Reinforcing bars, commonly known as rebar, can be used to reinforce steel angles. These bars are typically embedded into the concrete or masonry structure and extend into the angles to provide additional strength and support. It is important to consult with a structural engineer or design professional to determine the most appropriate method for reinforcing steel angles based on the specific project requirements and structural considerations.

Q:How do you determine the appropriate thickness of a steel angle for a specific application?: To determine the appropriate thickness of a steel angle for a specific application, several factors need to be considered. Firstly, it is important to understand the load or weight that will be applied to the steel angle. This includes both the static load, which is the weight that the angle will bear continuously, and the dynamic load, which is any additional force that may be applied intermittently. The magnitude of the load will determine the strength requirements of the steel angle. Secondly, the length of the steel angle needs to be taken into account. Longer angles will experience greater deflection and bending, so a thicker angle may be required to provide sufficient rigidity and prevent deformation under the load. Another crucial factor to consider is the type of steel being used. Different grades of steel have varying strength properties, and the appropriate thickness will depend on the specific grade. It is important to consult the material specifications and standards to ensure the chosen steel angle meets the required strength and durability criteria for the application. Furthermore, the support conditions and the method of attachment should be considered. The way the steel angle is connected to other structural elements will affect its load-bearing capacity. If the angle is bolted or welded to other components, its thickness must be chosen to suit the specific connection method and account for any additional stresses induced by the attachment process. Lastly, any applicable industry standards, codes, or regulations should be followed when determining the appropriate thickness of a steel angle. These standards often provide guidelines or calculations for selecting the correct size and thickness based on the intended application, load, and other design factors. In summary, determining the appropriate thickness of a steel angle for a specific application requires considering factors such as the load magnitude, length, steel grade, support conditions, and attachment method. Consulting material specifications, industry standards, and seeking professional advice can help ensure the chosen steel angle meets the required strength and durability requirements.

Q:Are steel angles resistant to extreme weather conditions?: Known for their durability and strength, steel angles are highly resistant to extreme weather conditions. Typically made from hot-rolled steel, which possesses excellent weathering properties, these angles exhibit a high tensile strength and can endure harsh conditions like heavy rainfall, high winds, and extreme temperatures. Additionally, steel angles possess corrosion-resistant properties, enabling them to withstand exposure to moisture and humidity without rusting or deteriorating. This characteristic makes them ideal for outdoor applications where they may encounter rain, snow, or other environmental factors. Moreover, steel angles offer exceptional stability and maintain their shape and structural integrity even under the harshest weather conditions. They are specifically designed to provide support and stability to structures, rendering them perfect for use in buildings, bridges, and other infrastructure projects that need to withstand hurricanes, earthquakes, or other severe weather events. In summary, steel angles are an exceptional choice for applications that demand resistance to extreme weather conditions. Their strength, durability, and corrosion resistance make them a dependable and long-lasting alternative for outdoor structures.

Q:What are the different types of steel angle connections used in seismic design?: Seismic design incorporates various types of steel angle connections that are commonly utilized. These connections are specifically engineered to withstand the forces and movements experienced during seismic events. Several types of steel angle connections used in seismic design are as follows: 1. Bolted Flange Plate Connection: This connection involves the bolting of a steel plate to the flanges of two angle sections. It demonstrates excellent resistance against lateral and vertical forces while accommodating rotational movements. 2. Welded Flange Plate Connection: Similar to the bolted flange plate connection, this connection entails the welding of a steel plate to the flanges of two angle sections. It offers superior strength and stiffness but is less ductile when compared to the bolted version. 3. Extended Single Plate Connection: This connection is established by extending a single plate beyond the flanges of two angle sections and welding it to both flanges. It provides commendable resistance against lateral and vertical forces while accommodating some degree of rotation. 4. Double Angle Connection: In this connection, two angle sections are joined together using bolts or welds. It possesses high strength and stiffness, effectively resisting lateral and vertical forces. 5. Diagonal Brace Connection: This connection involves connecting diagonal braces to the flanges of two angle sections. It enhances resistance against lateral forces and effectively controls building sway during seismic events. 6. Gusset Plate Connection: This connection employs a gusset plate to connect two or more angle sections. It demonstrates good strength and stiffness while effectively resisting lateral and vertical forces. Each of these steel angle connections possesses its own advantages and disadvantages. The choice of connection relies on factors such as structural design requirements, loadings, and the level of seismic activity in the region. It is crucial to carefully consider these factors and seek consultation with structural engineers to ensure the appropriate connection type is employed for a seismic design project.

Q:How do you calculate the buckling strength of a steel angle?: The buckling strength of a steel angle can be calculated using Euler's formula for buckling. This formula takes into account the length and moment of inertia of the angle, as well as the axial load applied to it. By plugging in the appropriate values and solving the equation, we can determine the buckling strength of the steel angle.

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