Angle steel GB Q235 ASTM A36 high quality

Angle steel GB Q235 ASTM A36 high quality System 1

Angle steel GB Q235 ASTM A36 high quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 m.t./month

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Angle Steel Details:

Minimum Order Quantity:	25mtons	Unit:	m.t.	Loading Port:	China Main Port
Supply Ability:	80000-100000MTS/YEAR	Payment Terms:	TT or LC

Product Description:

Specifications of Angle Steel

1. Invoicing on theoretical weight or actual weight as customer request

2. Length: 6m, 9m, 12m as following table

3. Sizes

Sizes: 25mm-250mm
a*t
25*2.5-4.0	70*6.0-9.0	130*9.0-15
30*2.5-6.6	75*6.0-9.0	140*10-14
36*3.0-5.0	80*5.0-10	150*10-20
38*2.3-6.0	90*7.0-10	160*10-16
40*3.0-5.0	100*6.0-12	175*12-15
45*4.0-6.0	110*8.0-10	180*12-18
50*4.0-6.0	120*6.0-15	200*14-25
60*4.0-8.0	125*8.0-14	250*25

5. Payment terms:

1).100% irrevocable L/C at sight.

2).30% T/T prepaid and the balance against the copy of B/L.

3).30% T/T prepaid and the balance against L/C

6.Material details:

Alloy No	Grade	Element (%)
		C	Mn	S	P	Si
		C	Mn	S	P	Si

Q235	B	0.12—0.20	0.3—0.7	≤0.045	≤0.045	≤0.3

Alloy No	Grade	Yielding strength point( Mpa)
		Thickness (mm)
		≤16	＞16--40		＞40--60	＞60--100
		≥

Q235	B	235		225	215	205
Alloy No	Grade	Tensile strength (Mpa)	Elongation after fracture (%)
		Tensile strength (Mpa)	Thickness (mm)
			≤16	＞16--40	＞40--60	＞60--100
			≥

Q235	B	375--500	26	25	24	23

Usage & Applications of Angle Steel

According to the needs of different structures, Angle can compose to different force support component, and also can be the connections between components. It is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc.

Packaging & Delivery of Angle Steel

1. Packing: it is nude packed in bundles by steel wire rod

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: 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.

Production flow of Angle Steel

Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation

Q: Can steel angles be painted over?: Indeed, painting over steel angles is possible. To ensure a successful outcome, it is vital to first guarantee that the surface is thoroughly cleansed and devoid of any dirt, oil, or rust. Accomplishing this can be done by utilizing a wire brush or sandpaper to eliminate any loose particles, followed by wiping the surface with a clean cloth. Once the surface is adequately prepared, it is necessary to apply a specialized primer created for metal surfaces in order to enhance adhesion and prevent corrosion. After the primer has dried, a suitable paint can be administered using a brush, roller, or spray gun. It is advisable to select paints specifically formulated for metal applications to ensure proper adhesion and durability. Over time, routine maintenance and repainting may be necessary to uphold the appearance and safeguard the steel angles from corrosion.

Q: Can steel angles be used for structural applications?: Yes, steel angles can be used for structural applications. Steel angles are commonly used in construction and engineering projects due to their strength, durability, and versatility. They are particularly useful in providing structural support and stability, as they can be easily welded, bolted, or otherwise connected to other steel components. Steel angles are often utilized in the construction of frames, supports, braces, and reinforcements. Additionally, their shape and design allow for efficient load-bearing capabilities, making them suitable for various structural applications such as bridges, buildings, towers, and industrial structures. Overall, steel angles are a reliable and cost-effective choice for structural applications.

Q: How do you connect two steel angles together?: One common method to connect two steel angles together is through welding. Welding is the process of melting the edges of the angles and fusing them together using an electric arc or flame. This creates a strong and permanent connection between the two angles. Prior to welding, it is important to prepare the surfaces by cleaning them from any contaminants or rust. Additionally, aligning the angles properly and securing them in place with clamps or tack welds helps to ensure a precise and accurate connection. Another option to connect steel angles is through the use of bolts or screws. This method involves drilling holes through the angles and then using nuts and bolts or screws to fasten them together. It is crucial to select appropriate fasteners and ensure they are tightened securely to achieve a strong connection.

Q: How can steel angles be protected against corrosion?: Steel angles can be protected against corrosion through various methods such as applying protective coatings like paint or galvanization, using corrosion inhibitors, implementing cathodic protection systems, or selecting stainless steel angles which are inherently resistant to corrosion.

Q: What are the different surface treatments available for galvanized steel angles?: Some of the different surface treatments available for galvanized steel angles include powder coating, painting, and hot-dip galvanizing. Additionally, there are options for epoxy coating and zinc-rich primers to enhance corrosion resistance and provide a desired aesthetic finish.

Q: Can steel angles be used in the construction of staircases?: Yes, steel angles can be used in the construction of staircases. Steel angles are commonly used as structural components in construction due to their strength and versatility. In the case of staircases, steel angles can be used to provide support and stability to the overall structure. They can be used to create the framework for the stairs, supporting the treads and risers. Additionally, steel angles can be used as handrails or guardrails, providing a sturdy and secure grip for users. Overall, steel angles are a popular choice for constructing staircases due to their durability, load-bearing capacity, and aesthetic appeal.

Q: How do you determine the plastic section modulus of a steel angle?: In order to determine the plastic section modulus of a steel angle, a specific calculation process must be followed. The plastic section modulus (Z) is used to assess the ability of a cross-section to resist plastic bending and is commonly employed in structural engineering to analyze the strength and stability of members. To calculate the plastic section modulus of a steel angle, it is necessary to know the dimensions of the angle cross-section, including the length of the legs and the thickness of the steel. Once these measurements are obtained, the following steps can be carried out: 1. The centroid of the angle cross-section must be identified. This centroid serves as the geometric center of the shape and is a crucial reference point for calculating the plastic section modulus. By determining the average of the coordinates of the vertices, the centroid can be found. 2. The moment of inertia (I) needs to be calculated. The moment of inertia provides a measure of how the area is distributed around the centroid. It can be determined by summing the individual moments of inertia for each component of the cross-section. For a steel angle, the moment of inertia can be calculated using standard formulas or tables. 3. The plastic section modulus (Z) must be determined. The plastic section modulus is directly related to the moment of inertia. It can be computed by dividing the moment of inertia (I) by the distance from the centroid to the outermost fiber of the section. This distance, known as the distance to the extreme fiber (c), is typically equal to half the thickness of the angle. The formula to calculate the plastic section modulus (Z) is Z = I / c. 4. The values obtained for the moment of inertia (I) and the distance to the extreme fiber (c) should be substituted into the formula to calculate the plastic section modulus (Z). By following these steps, the plastic section modulus of a steel angle can be determined. This parameter is crucial for assessing the structural behavior and design of steel angles, particularly when subjected to bending loads.

Q: What are the common surface treatments used for steel angles?: Steel angles can be treated with various surface treatments such as galvanizing, painting, and powder coating. Galvanizing involves applying a layer of zinc to the steel angle to prevent corrosion. This can be done by immersing the angle in molten zinc or using a specialized technique. Galvanized angles have a shiny, silver appearance and offer excellent resistance against corrosion. Painting is another option for treating steel angles. The angle is typically primed and then coated with one or more layers of paint. This not only enhances the angle's appearance but also provides protection against rust and environmental factors. Painting allows for a wide range of colors and finishes, making it versatile for different applications. Powder coating is a dry finishing process where a fine powder made of resin and pigment is electrostatically applied to the angle's surface. The angle is then heated, causing the powder to melt and form a durable coating. Powder coating offers excellent resistance to scratches, chemicals, and UV rays. It is available in various colors and provides a smooth and even finish. The choice of surface treatment for steel angles depends on the specific application and the desired level of protection, aesthetics, and durability. Galvanizing is suitable for outdoor or corrosive environments, while painting and powder coating are commonly used indoors or when a specific color or finish is desired.

Q: What are the different methods of connecting steel angles together?: When connecting steel angles together, there are various methods available depending on the specific application and structural needs. Some commonly used techniques include: 1. Welding: Utilizing a welding electrode, welding is an effective and frequently employed method. It involves melting the edges of the angles and joining them together, creating a permanent and robust connection. 2. Bolting: Another popular approach is bolting, which involves using bolts, nuts, and washers to secure the angles in place. This method allows for a strong connection that can also be easily disassembled if necessary. 3. Riveting: Riveting entails the use of metal pins known as rivets to connect steel angles. It requires drilling holes in the angles and inserting the rivets, which are then hammered or pressed to create a permanent connection. 4. Adhesive bonding: Adhesive bonding involves the use of industrial adhesives to connect steel angles. The adhesive is applied to the surfaces of the angles, which are then pressed together. This method provides a durable and corrosion-resistant connection. 5. Mechanical connectors: Mechanical connectors, such as steel clips or brackets, are also suitable for connecting steel angles. These connectors are designed to securely clamp the angles together, providing a rigid connection. When selecting the appropriate method, it is crucial to consider factors such as load-bearing requirements, structural design, and environmental conditions. Consulting with a structural engineer or a professional in the field is recommended to ensure the appropriate method is chosen for the specific application.

Q: How do steel angles contribute to the overall stability of a building frame?: Steel angles contribute to the overall stability of a building frame by providing structural support and reinforcement. They are commonly used as braces and connections in building frames to increase their load-bearing capacity and resist forces such as wind, earthquakes, and heavy loads. The angles help distribute and transfer the loads throughout the structure, enhancing its stability and preventing deformation or collapse.

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