ANGLE BAR

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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

Angle Steel

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 used for manufacturing playground equipment?: Yes, steel angles can be used for manufacturing playground equipment. Steel angles are commonly used in construction and manufacturing due to their strength and durability. They can be used to create the framework and support structures for various types of playground equipment, such as slides, climbing frames, and swing sets. The versatility of steel angles allows for the creation of safe and sturdy playground equipment that can withstand heavy use and harsh weather conditions. Additionally, steel angles can be easily welded, cut, and shaped to suit specific design requirements, making them an ideal choice for playground equipment manufacturers.

Q: How do you cut steel angles to size?: To achieve the desired size for steel angles, one can employ various techniques depending on the available tools. Here are a few commonly used methods: 1. Angle Grinder Method: A versatile tool, the angle grinder, can be utilized for cutting steel angles. Make sure to attach a cutting disc suitable for metal cutting to the grinder. Mark the desired length on the angle and securely clamp it down. Carefully follow the marked line using the grinder, applying even pressure to cut through the steel. Remember to take necessary safety precautions, such as wearing protective eyewear and gloves, and remain cautious of any sparks produced during the cutting process. 2. Bandsaw Technique: If a bandsaw is accessible, it can be an efficient tool for cutting steel angles. Ensure that the bandsaw is equipped with a blade specifically designed for metal cutting. Securely clamp the angle, aligning the marked line with the path of the blade. Start the bandsaw and gradually feed the angle into the blade, maintaining a steady pace to achieve a clean cut. 3. Hacksaw Approach: Although a slower method, a hacksaw can also be employed for cutting steel angles. Begin by securely clamping the angle to a workbench or vise. Use a square to mark a straight cutting line on the angle, then carefully saw along the line. Apply steady pressure while sawing to maintain control and achieve a clean cut. Remember to use a blade suitable for cutting metal and take breaks if necessary to avoid fatigue. Regardless of the chosen method, it is crucial to prioritize safety precautions, such as wearing appropriate protective gear and ensuring a clear and well-ventilated work area. Furthermore, always double-check measurements and utilize proper techniques to achieve accurate cuts.

Q: Can steel angles be used for modular construction?: Yes, steel angles can be used for modular construction. Steel angles provide structural support and can be easily fabricated and assembled to create modular components in construction projects. They are commonly used for framing, bracing, and connecting modular units, providing strength and stability to the overall structure.

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: 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: How are steel angles protected against fire damage?: Steel angles are commonly protected against fire damage through the application of fire-resistant coatings or the use of fireproofing materials. These protective measures aim to delay or prevent the steel from reaching its critical temperature, at which it may lose its structural integrity. One common method of protecting steel angles is the application of intumescent coatings. These coatings expand when exposed to high temperatures, forming a protective char layer that insulates the steel and slows down heat transfer. This process effectively delays the rise in temperature of the steel, allowing for longer fire resistance. Another approach is the use of fireproofing materials, such as concrete or gypsum-based sprays or boards. These materials create a barrier between the steel angles and the fire, providing insulation and preventing the heat from reaching the steel. Fireproofing materials are often used in buildings where the fire resistance requirements are higher, such as high-rise structures or industrial facilities. In some cases, steel angles can also be protected by encasing them in fire-rated enclosures. This involves enclosing the steel angles within fire-rated walls, floors, or ceilings made of materials with high fire resistance. These enclosures effectively isolate the steel from potential sources of fire and provide an additional layer of protection. It is important to note that the specific fire protection measures for steel angles may vary depending on the building codes, fire safety regulations, and the intended use of the structure. Consulting with fire protection engineers and following the appropriate guidelines can ensure that the steel angles are adequately protected against fire damage.

Q: What are the fire resistance properties of steel angles?: Steel angles, also known as L-shaped metal bars, possess excellent fire resistance properties. Due to the composition and structure of steel, angles have a high melting point and do not easily combust or support the spread of fire. In the event of a fire, steel angles retain their structural integrity for an extended period, providing valuable time for occupants to evacuate and for firefighters to control the situation. This fire resistance is attributed to the non-combustible nature of steel, as well as its ability to dissipate heat efficiently. Additionally, steel angles have a low thermal conductivity, meaning they do not readily transfer heat from the fire to the surrounding areas. This property helps to prevent the rapid spread of fire and minimizes the risk of structural failure. As a result, steel angles are often utilized in fire-resistant building designs and construction, providing a reliable and safe option for structural support in fire-prone environments.

Q: Are steel angles corrosion resistant?: Steel angles are generally not corrosion resistant unless they are specifically designed and treated to be so. Regular steel angles are made from carbon steel, which is susceptible to corrosion when exposed to moisture, oxygen, and other corrosive elements. However, there are stainless steel angles available that have a higher resistance to corrosion due to the addition of chromium and other alloying elements. These stainless steel angles are commonly used in environments where corrosion is a concern, such as marine or industrial applications. It is important to consider the specific type and grade of steel angle being used to determine its corrosion resistance capabilities.

Q: Can steel angles be used for support frames in industrial machinery?: Yes, steel angles can be used for support frames in industrial machinery. Steel angles are commonly used in construction and fabrication due to their strength, durability, and versatility. They provide structural stability and support to various structures, including machinery frames. Steel angles are available in different sizes and thicknesses, allowing for customization to meet specific load-bearing requirements. Additionally, the inherent rigidity and high tensile strength of steel make it an ideal material for supporting heavy machinery and equipment in industrial settings.

Q: What are the safety precautions when working with steel angles?: When working with steel angles, it is important to follow a few safety precautions. Firstly, always wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and steel-toed boots to protect yourself from potential injuries. Secondly, ensure that the work area is clear of any obstructions or tripping hazards to prevent accidents. Additionally, make sure to use proper lifting techniques or equipment when handling heavy steel angles to avoid strains or back injuries. Lastly, be cautious of sharp edges and corners on the steel angles and use appropriate tools and techniques to prevent cuts or abrasions.

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