20mm*2.5mm hot sell Equal Angle for construction

20mm*2.5mm hot sell Equal Angle for construction System 1

20mm*2.5mm hot sell Equal Angle for construction System 2

20mm*2.5mm hot sell Equal Angle for construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

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

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

20mm*2.5mm hot sell Equal Angle for construction

Q: What are the different methods of surface galvanizing for steel angles?: There are several different methods of surface galvanizing for steel angles, each with its own unique advantages and applications. Here are some of the most common methods: 1. Hot-dip galvanizing: This is the most widely used method of galvanizing steel angles. It involves immersing the steel angles in a bath of molten zinc, which forms a metallurgical bond with the surface of the steel. This process provides excellent corrosion protection and durability, making it suitable for a wide range of applications. 2. Electro-galvanizing: In this method, a thin layer of zinc is electrodeposited onto the surface of the steel angles. It is a more controlled process compared to hot-dip galvanizing and offers a smoother and more uniform coating. Electro-galvanizing is often used for decorative purposes or in applications where a thinner coating is sufficient. 3. Sherardizing: This method involves coating the steel angles with a mixture of zinc dust and a proprietary filler material, such as aluminum or iron powder. The coated angles are then heated in a furnace, causing the zinc to diffuse into the surface of the steel and form a durable alloy layer. Sherardizing provides excellent corrosion protection and is commonly used in applications where high resistance to wear and abrasion is required. 4. Mechanical galvanizing: Also known as centrifuge galvanizing, this method involves tumbling the steel angles in a drum or barrel with zinc powder and glass beads. The tumbling action causes the zinc powder to adhere to the surface of the steel angles, creating a protective coating. Mechanical galvanizing is often used for small or intricate parts that are difficult to galvanize by other methods. 5. Zinc-rich paint: Although not a traditional galvanizing method, zinc-rich paint can provide a similar level of corrosion protection. It involves applying a paint or coating that contains a high concentration of zinc particles to the surface of the steel angles. The zinc particles act as sacrificial anodes, corroding in place of the steel and providing protection against rust and corrosion. These are just a few of the different methods of surface galvanizing for steel angles. The choice of method depends on factors such as the desired level of corrosion protection, the specific application requirements, and cost considerations. It is important to consult with a galvanizing professional to determine the most suitable method for your specific needs.

Q: Are there any limitations on the length-to-thickness ratio of steel angles?: Steel angles have limitations on their length-to-thickness ratio, which is also known as the slenderness ratio. This ratio is crucial in determining the structural stability and load-bearing capacity of steel angles. To calculate the slenderness ratio, divide the angle's length by its thickness. In general, steel angles with a higher length-to-thickness ratio are more prone to buckling or failure when subjected to compressive loads. To maintain structural integrity, there are industry standards and guidelines that define the maximum slenderness ratios for steel angles. The specific limitations on the length-to-thickness ratio of steel angles vary based on factors such as the steel type, angle cross-sectional shape, applied load, and intended use. These limitations are typically outlined in engineering codes and standards like the American Institute of Steel Construction (AISC) or Eurocode, which provide design guidelines for various structural components, including steel angles. Adhering to these limitations is crucial to prevent structural failures and ensure the safety and performance of steel angles in different applications. Structural engineers and designers should consult the relevant codes and standards to determine the appropriate length-to-thickness ratio for specific steel angle designs.

Q: Can steel angles be used in the construction of staircases?: Yes, steel angles can be used in the construction of staircases. Steel angles provide structural support and stability, making them a suitable choice for building staircases.

Q: What are the different fabrication techniques used for steel angles?: Steel angles can be fabricated using various techniques, depending on specific requirements and desired outcomes. Some commonly used techniques include: 1. The most common fabrication technique for steel angles is hot rolling. In this process, the steel is heated above its recrystallization temperature and shaped into the desired angle profile by passing it through a series of rollers. Hot rolling improves the mechanical properties of the steel and provides a smooth surface finish. 2. Cold rolling, similar to hot rolling, is performed at room temperature. It is often used to produce steel angles with tighter dimensional tolerances and improved surface finish, while also enhancing the mechanical properties of the steel. 3. Laser cutting is a precise and efficient method used to cut steel angles into the desired shape and size. A high-powered laser beam melts or vaporizes the material along the cutting path, offering excellent accuracy, speed, and versatility. 4. Welding is commonly employed to join steel angles together or attach them to other structural components. Various welding techniques, such as arc welding, gas metal arc welding (MIG), or tungsten inert gas (TIG) welding, can be used depending on the application and desired joint strength. 5. Bending is another technique utilized to fabricate steel angles. It involves applying force to bend the steel into the desired angle shape. Bending can be achieved using press brakes, rollers, or hydraulic machines. This technique is particularly useful when precise angle measurements and specific radius requirements are necessary. 6. CNC machining, a highly precise and automated technique, is employed to produce steel angles with complex shapes and intricate details. Computer-controlled tools remove material from the steel, creating the desired angle profile. Each fabrication technique has its own advantages and limitations. The choice of technique depends on factors such as angle dimensions, tolerances, surface finish requirements, and the intended application of the steel angles.

Q: What are the common thicknesses of steel angles?: The specific application and industry requirements determine the varying common thicknesses of steel angles. Examples of frequently utilized thicknesses for steel angles are 1/8 inch, 3/16 inch, 1/4 inch, 3/8 inch, and 1/2 inch. These thicknesses find common usage in construction, manufacturing, and structural applications. It is worth noting that thicker steel angles offer enhanced strength and durability, whereas thinner angles are suitable for lighter applications. Ultimately, the decision regarding thickness depends on the specific load-bearing requirements and considerations of the structural design.

Q: How are steel angles manufactured?: Steel angles are typically manufactured through a process known as hot rolling. This involves heating a steel billet or slab to a high temperature and then passing it through a series of rollers to shape it into the desired angle profile. The rollers have specially designed grooves that give the steel its distinctive L-shaped cross-section. During the hot rolling process, the steel is subjected to high pressure and strain, which helps to shape and form it. The heated steel is passed through the rollers multiple times to achieve the desired dimensions and surface finish. This process also helps to remove any impurities and improve the overall quality of the steel. Once the steel angles are formed, they are then cooled down, either by air or water, to stabilize their shape. After cooling, the angles may undergo further processing such as straightening, cutting to length, drilling holes, or adding other features as per the specific requirements. It is worth mentioning that steel angles can also be manufactured through a cold rolling process. In this method, the steel is not heated, but instead, it is passed through rollers at room temperature. Cold-rolled angles tend to have a smoother surface finish and tighter dimensional tolerances. Overall, the manufacturing of steel angles involves a combination of heating, rolling, and cooling processes to shape the steel into the desired angle profile. This process ensures that the angles are strong, durable, and suitable for various applications in construction, manufacturing, and other industries.

Q: Can steel angles be used for support structures in telecommunications installations?: Yes, steel angles can be used for support structures in telecommunications installations. Steel angles provide strength, stability, and durability, making them suitable for supporting heavy equipment such as antennas, cables, and other telecommunications infrastructure.

Q: Can steel angles be used in oil and gas pipeline installations?: Yes, steel angles can be used in oil and gas pipeline installations. Steel angles are commonly used in the construction of pipelines as they provide structural support and reinforcement. They are typically used for connecting and securing various components of the pipeline system, such as pipe joints, flanges, and supports. The strong and durable nature of steel angles makes them suitable for withstanding the harsh conditions and high-pressure environments often encountered in oil and gas pipeline installations.

Q: What are the different types of steel angles used in storage racks?: Storage racks commonly utilize various types of steel angles to ensure strength and stability, facilitating efficient storage and organization of items. 1) The most frequently employed steel angle in storage racks is the equal angle. It possesses identical sides and serves as the primary support beam in the rack's structure. The balanced weight distribution and stability it offers make it ideal for this purpose. 2) Unequal angles, as the name implies, have varying side lengths. These angles find application in storage racks that necessitate specific weight distribution or load-bearing requirements. The longer side of the unequal angle provides additional support for heavier items or different storage configurations. 3) Slotted angles are versatile, allowing convenient adjustment and customization of storage rack systems. They feature slots along their length, enabling the addition of shelves, dividers, or other accessories as required. Slotted angles are commonly found in warehouses or industrial settings where frequent reconfiguration of the rack system is necessary. 4) Perforated angles contain holes punctured along their length, offering improved ventilation and visibility for stored items. They are often employed in storage racks for items that require airflow or in retail settings where product visibility holds significance. 5) Corner angles, on the other hand, are L-shaped steel angles used to reinforce and strengthen the corners of storage racks. They provide additional support and stability, preventing the rack from collapsing or tipping over when heavy items are stored on the shelves. Ultimately, the choice of steel angle for storage racks relies on specific requirements such as load-bearing capacity, customization options, ventilation needs, and visual appeal. By selecting the appropriate steel angle, storage racks can be optimized for maximum efficiency and durability.

Q: How do steel angles perform under impact or dynamic loading conditions?: Steel angles are known for their excellent performance under impact or dynamic loading conditions. Their shape provides structural stability and resistance to bending, making them highly effective in withstanding sudden forces and vibrations. The high strength of steel angles allows them to absorb energy and distribute it evenly, reducing the risk of deformation or failure. Overall, steel angles are reliable and dependable in demanding situations with impact or dynamic loading.

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