Unequal Angle

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Product Description:

Stainless Steel Angles

1.Grade: SS200,300,400 series

2.Size: 25×25×3 mm-100×100×10mm

3.Process: HRAP

4. Length: 2-6m

5. Shape: Equal

6. Delivery: within 20 days

7. MOQ: 1 ton

8. Certificate: ISO 9001:2008, SGS

9. Package:Standard Export Packing, or put into wooden boxes according to your

requirement

10. Application: Construction, Marine, Industry and so on

Name	Stainless Steel Angles
Standard	ASTM A554, A312, A249, A269 and A270
Material Grade	304,316,201,202, 316L,430
Length	6m or as customers' request
Tolerance	a) thickness: +/-0. 15mm

	b) Length:+/-4. 5mm - 0mm
Surface	180G, 320G, 400G Satin / Hairline(Matt Finish, Brush, Dull Finish) 400G, 500G, 600G or 800G Mirror finish
Application	Decoration construction, upholstery, industry instruments
Test	Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT
Chemical Composition of Material	Composition Material	201	202	304	316L	430
	C	≤0.15	≤0.15	≤0.08	≤0.08	≤0.12
	Si	≤1.00	≤1.00	≤1.00	≤1.00	≤1.00
	Mn	5.5-7.5	7.5-10	≤2.00	≤2.00	≤1.00
	P	≤0.06	≤0.06	≤0.045	≤0.045	≤0.040
	S	≤0.03	≤0.03	≤0.030	≤0.030	≤0.030
	Cr	16-18	17-19	18-20	16-18	16-18
	Ni	3.5-5.5	4-6	8-10.5	10-14
	Mo				2.0-3.0
Mechanical Property	Material Item		201	202	304	316L
	Tensile Strength		≥535	≥520	≥520	≥520
	Yield Strength		≥245	≥205	≥205	≥205
	Extension		≥30%	≥30%	≥35%	≥35%
	Hardness (HV)		<253	<253	<200	<200

Q: Can steel angles be used for framing or supporting exterior cladding systems?: Yes, steel angles can be used for framing or supporting exterior cladding systems. Steel angles provide structural support and stability, making them suitable for this purpose. They can be used to create a framework or support structure for exterior cladding systems, ensuring durability and architectural integrity.

Q: How do you calculate the moment of inertia for a steel angle?: In order to determine the moment of inertia of a steel angle, it is necessary to have knowledge of the angle's dimensions and shape. The moment of inertia measures an object's resistance to rotational changes and is influenced by the distribution of mass and the distance between the object's mass and the axis of rotation. For a steel angle, the moment of inertia can be computed using the parallel axis theorem, which states that the moment of inertia around an axis parallel to the original axis is equal to the sum of the moment of inertia around the original axis and the product of the mass and the square of the distance between the two axes. To calculate the moment of inertia for a steel angle, the following steps can be followed: 1. Obtain the measurements of the steel angle, including its length, width, and thickness. 2. Determine the angle's area by multiplying the length by the thickness. 3. Identify the centroid of the angle, which is the point where the mass is evenly distributed. For a symmetrical angle, the centroid is located at the intersection of the two legs. For an asymmetrical angle, the centroid can be determined by utilizing the geometric properties of the shape. 4. Compute the moment of inertia around the centroid axis using the formula for a rectangle: I = (1/12) * width * thickness^3. This calculation assumes that the angle is a thin-walled section. 5. Calculate the distance between the centroid axis and the axis for which the moment of inertia is desired. This can be accomplished by measuring the perpendicular distance between the two axes. 6. Apply the parallel axis theorem to determine the moment of inertia around the desired axis. The formula is: I_total = I_centroid + mass * distance^2. By following these steps, it is possible to calculate the moment of inertia for a steel angle. However, it should be noted that these calculations are based on a simplified model of the angle and may not provide accurate results for complex or irregular shapes.

Q: What are the different methods of corrosion protection for steel angles?: There are several methods of corrosion protection for steel angles, each with its own advantages and disadvantages. 1. Coatings: One of the most common methods is applying protective coatings on the steel angles. This can include paint, epoxy, or galvanization. Paint acts as a barrier between the steel and the environment, preventing moisture and oxygen from reaching the metal surface. Epoxy coatings provide a thicker and more durable layer, offering enhanced protection against corrosion. Galvanization involves applying a layer of zinc to the steel surface, which acts as a sacrificial barrier, corroding before the steel does. 2. Cathodic Protection: This method involves the use of an external electrical current to protect the steel angles. By connecting the steel to a more easily corroded metal, such as zinc or magnesium, and applying a direct current, the less noble metal corrodes instead of the steel. This method is particularly useful in marine or underground environments. 3. Alloying: Another way to protect steel angles from corrosion is through alloying. By adding small amounts of other metals, such as chromium or nickel, to the steel composition, the resulting alloy forms a protective oxide layer on the surface, which prevents further corrosion. Stainless steel is a common example of an alloy that offers excellent corrosion resistance. 4. Barrier Films: Applying a barrier film to the steel surface is another method to protect against corrosion. This involves applying a protective film, such as polyethylene or PVC, to create a physical barrier that prevents moisture and oxygen from reaching the steel. This method is commonly used in applications where the steel angles are exposed to harsh environments or chemicals. 5. Environmental Control: Controlling the environment in which the steel angles are placed can also help prevent corrosion. This includes minimizing exposure to moisture, humidity, and corrosive chemicals. Proper ventilation, regular cleaning, and maintaining a dry environment can all contribute to corrosion prevention. It is important to note that the best method of corrosion protection for steel angles depends on various factors, including the specific application, environmental conditions, and budget constraints. It is recommended to consult with corrosion experts or engineers to determine the most suitable method for a particular scenario.

Q: What is the maximum deflection allowed for a steel angle?: The maximum deflection permitted for a steel angle relies on multiple factors, including the size, shape, and type of steel angle utilized, as well as the specific application and design prerequisites. To ensure structural integrity and safety, the deflection limit is typically determined in accordance with engineering standards and codes. Steel angles are generally engineered to withstand diverse loads and stresses, and their allowable deflection is determined based on these considerations. Engineers calculate the maximum permissible deflection to ensure that the angle can support applied loads securely, without experiencing excessive deformation or failure. To ascertain the maximum deflection allowed for a particular steel angle, one must refer to design standards and specifications provided by professional engineering organizations, such as the American Institute of Steel Construction (AISC), or relevant building codes. These documents outline the maximum permissible deflection limits based on specific parameters of the steel angle, including dimensions, material properties, and intended usage. Consulting the appropriate design standards and codes is crucial to ensuring compliance with safety regulations and guaranteeing the structural integrity of the steel angle in its intended application.

Q: Can steel angles be used in high-rise buildings?: High-rise buildings can indeed utilize steel angles. These angles are frequently employed as structural elements in such structures, owing to their strength, adaptability, and cost-effectiveness. They find application in a variety of ways, including framing, bracing, and load support. By offering stability and structural integrity, steel angles enable high-rise buildings to withstand the forces and strains typically associated with such edifices. Moreover, their easy fabrication, manipulation, and connection make them well-suited for the intricate and elaborate designs often seen in high-rise constructions. Consequently, steel angles serve as a dependable and commonly used constituent in the construction of high-rise buildings.

Q: Are steel angles suitable for coastal or saltwater environments?: Yes, steel angles are suitable for coastal or saltwater environments. They are widely used in various marine applications due to their excellent corrosion resistance properties. The alloying elements in steel angles, such as chromium and nickel, help to protect against rust and corrosion caused by exposure to saltwater or high humidity. Additionally, proper maintenance and coatings can further enhance their durability in these environments.

Q: Can steel angles be used for foundation reinforcement?: Yes, steel angles can be used for foundation reinforcement. Steel angles are commonly used in construction projects for their strength and durability. When properly installed and secured, steel angles can provide additional support and stability to a foundation, helping to prevent cracks, settlement, and other structural issues.

Q: How do steel angles perform under high temperatures?: Due to their high melting point and exceptional heat resistance, steel angles exhibit excellent performance in high-temperature conditions. Steel, a widely utilized material in construction and engineering, is renowned for its robustness and durability. Steel angles, when subjected to elevated temperatures, maintain their structural integrity and do not easily deform or weaken. This is primarily due to steel's elevated melting point, typically ranging from 1370 to 1530 degrees Celsius (2500 to 2800 degrees Fahrenheit), enabling it to endure extreme heat without significant harm. Moreover, steel possesses outstanding heat resistance, enabling efficient heat dissipation and maintaining stability when confronted with high thermal loads. Consequently, steel angles are suitable for applications involving elevated temperatures, such as industrial furnaces, power plants, or high-temperature environments. However, it is crucial to acknowledge that the specific performance of steel angles under high temperatures can vary depending on the steel's grade and composition, as well as the intensity and duration of heat exposure.

Q: What are the common methods of surface cleaning for steel angles?: There are several common methods of surface cleaning for steel angles. These methods are used to remove dirt, rust, paint, and other contaminants from the surface of the steel angles, ensuring a clean and smooth finish. One of the most common methods is mechanical cleaning, which involves using abrasive materials such as sandpaper, wire brushes, or abrasive pads to scrub the surface and remove any loose particles or rust. This method is effective for small areas or for spot cleaning. Chemical cleaning is another popular method, which involves using chemicals or solvents to dissolve or loosen contaminants on the surface. This can be done by applying a cleaning solution directly onto the steel angles and then scrubbing with a brush or cloth. Chemical cleaning is useful for larger areas or for removing stubborn stains or paints. Power washing, also known as pressure washing, is another method commonly used for surface cleaning of steel angles. This involves using a high-pressure water jet to remove dirt, dust, and loose particles from the surface. Power washing is efficient for large areas or for removing loose rust or paint. Another method is abrasive blasting, which involves using compressed air to propel abrasive materials, such as sand or steel grit, onto the surface of the steel angles. This method is highly effective in removing heavy rust, paint, or scale from the surface, leaving a clean and smooth finish. It is important to note that the choice of surface cleaning method depends on the condition of the steel angles and the desired level of cleanliness. Some methods may be more suitable for specific applications or may require specialized equipment. Additionally, proper safety precautions should be followed when using any cleaning method, including wearing protective gear and ensuring proper ventilation.

Q: What are the different surface finishes available for powder-coated steel angles?: There are several different surface finishes available for powder-coated steel angles. These finishes are designed to provide varying levels of durability, aesthetics, and resistance to environmental factors. Some common surface finishes for powder-coated steel angles include: 1. Smooth or Glossy Finish: This is the most common surface finish for powder-coated steel angles. It provides a smooth and glossy appearance, giving the angles a sleek and attractive look. 2. Matte Finish: This surface finish has a low sheen or luster, providing a more subtle and understated appearance. Matte finishes are often chosen for their ability to hide fingerprints, scratches, and other imperfections. 3. Textured Finish: Textured finishes add a unique texture to the surface of the powder-coated steel angles. This can range from a lightly textured appearance to a heavily textured pattern, such as a hammered or pebble finish. Textured finishes not only enhance the aesthetics but also provide additional grip and resistance to slipping. 4. Metallic Finish: Metallic finishes simulate the look of metal, such as stainless steel or bronze, without the actual metal material. These finishes add a touch of elegance and sophistication to the powder-coated steel angles. 5. Wrinkle Finish: Wrinkle finishes create a textured, wrinkled appearance on the surface of the powder-coated steel angles. This finish is often used to hide imperfections in the metal and adds a unique visual appeal. 6. Antique Finish: Antique finishes are designed to give the powder-coated steel angles a weathered and aged appearance. This finish adds character and charm to the angles, making them suitable for vintage or rustic-themed applications. 7. Custom Finishes: In addition to these standard surface finishes, custom finishes can also be applied to powder-coated steel angles. This allows for greater creativity and flexibility in matching specific design requirements or achieving a desired aesthetic effect. It is important to consider the intended use, design preferences, and environmental conditions when selecting a surface finish for powder-coated steel angles. This will ensure that the finish chosen provides both the desired appearance and the necessary durability for the application.

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