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:How do you calculate the bending moment of a loaded steel angle?: To calculate the bending moment of a loaded steel angle, you need to determine the applied load and the distance from the load to the point of interest on the angle. Then, multiply the load by the distance to obtain the bending moment. This calculation helps determine the strength and stability of the angle under the applied load.

Q:What are the different methods of reinforcing steel angles?: Reinforcing steel angles can be strengthened in various ways, each with its own benefits and uses. One popular technique involves adding extra steel plates or brackets, which are typically welded or bolted onto the existing angle. This provides added support and strength, making it ideal for situations where the angle is subjected to heavy loads or stress. Another method involves using stiffeners, which are smaller steel angles or plates that are welded perpendicular to the existing angle. These stiffeners help to evenly distribute the load, preventing the angle from buckling or bending under pressure. This method is commonly employed when the angle serves as a structural member, such as in building frames or bridge supports. Furthermore, reinforcing steel angles can be achieved by encasing them in concrete or combining them with composite materials. In this approach, the steel angle is embedded within a concrete matrix or mixed with materials like fiberglass or carbon fiber. This combination enhances strength, durability, and resistance to corrosion. It is often employed in construction projects where the angle is exposed to harsh environments or requires superior performance. In summary, the various methods available for reinforcing steel angles offer choices for increasing their strength, stability, and longevity. The selection of a particular method depends on factors like the specific application, load requirements, and environmental conditions.

Q:Can steel angles be used for manufacturing support brackets?: Indeed, support brackets can be manufactured using steel angles. The construction and manufacturing industries frequently employ steel angles due to their robustness and endurance. Their exceptional support and structural soundness render them perfect for the creation of support brackets. Steel angles are offered in diverse dimensions and thicknesses, enabling customization in accordance with the bracket's precise demands. Moreover, steel angles can be effortlessly welded, drilled, and machined to fit the desired specifications, thus making them an adaptable option for the production of support brackets.

Q:What are the different methods of surface preparation for steel angles?: To ensure proper adhesion of coatings, improve corrosion resistance, and enhance overall durability, there are various methods available for preparing the surface of steel angles. Some commonly used methods include the following: 1. Mechanical Cleaning: Physical tools like wire brushes, sandpaper, or abrasive discs are used to physically eliminate dirt, rust, mill scale, and other contaminants from the steel angle's surface. While this method is simple and cost-effective, it may not be effective for heavy corrosion or stubborn deposits. 2. Chemical Cleaning: Acid-based solutions or pickling pastes are applied to dissolve rust, scale, and other contaminants on the surface. After a specific period of time, the solution is rinsed off. Chemical cleaning is highly effective for removing stubborn deposits but requires careful handling and proper disposal of the chemicals. 3. Power Tool Cleaning: Power tools such as grinders, sanders, or needle guns with abrasive attachments are utilized to remove rust, scale, and contaminants. This method is faster and more efficient than manual mechanical cleaning, making it suitable for large-scale surface preparation. 4. Blast Cleaning: Also known as abrasive blasting, this method involves projecting abrasive materials (e.g., sand, steel grit, or glass beads) onto the steel surface at high velocity using compressed air or centrifugal force. Blast cleaning effectively removes rust, scale, and contaminants, resulting in a clean and profiled surface. While widely used in industrial applications, it requires proper safety measures to protect workers from exposure to abrasive materials. 5. Flame Cleaning: By directing a high-temperature flame onto the steel surface, flame cleaning removes contaminants. The intense heat burns off organic materials and evaporates moisture, leaving a clean surface. This method is particularly effective for removing oil, grease, and paint residues. 6. Conversion Coating: A chemical solution is applied to the steel surface, reacting with the metal to form a thin protective layer. This layer enhances the adhesion of subsequent coatings and provides additional corrosion resistance. Phosphating, chromating, and passivation are common types of conversion coatings. It's important to consider factors such as the extent of corrosion, desired coating system, and environmental conditions when selecting the most suitable surface preparation method for steel angles. Consulting experts or referring to industry standards can assist in determining the appropriate method for a specific application.

Q:How are steel angles protected against fire damage?: Fire-resistant coatings and fireproofing materials are commonly used to protect steel angles from fire damage. These measures aim to prevent or delay the steel from reaching its critical temperature, which can compromise its structural integrity. One popular method of safeguarding steel angles involves applying intumescent coatings. These coatings expand when exposed to high temperatures, creating a protective char layer that insulates the steel and slows down heat transfer. This process effectively hinders the steel from rapidly increasing in temperature, thus enhancing its fire resistance capabilities. Another approach is to utilize fireproofing materials, such as concrete or gypsum-based sprays or boards. These materials act as a barrier between the steel angles and the fire, providing insulation and preventing the heat from reaching the steel. Fireproofing materials are commonly employed in buildings with higher fire resistance requirements, such as tall buildings or industrial facilities. In certain cases, steel angles can be enclosed within fire-rated enclosures for added protection. This entails enclosing the steel angles within fire-rated walls, floors, or ceilings made of materials with exceptional fire resistance properties. These enclosures effectively isolate the steel angles from potential fire sources, adding an extra layer of defense. It is important to acknowledge that the specific fire protection measures for steel angles can vary based on building codes, fire safety regulations, and the intended use of the structure. Consulting with fire protection engineers and adhering to the appropriate guidelines will ensure that the steel angles are adequately shielded against fire damage.

Q:Can steel angles be used in overhead crane or hoist systems?: Indeed, overhead crane or hoist systems can indeed utilize steel angles. These structural components find widespread application in the construction of crane runways, support structures, and trolley rails. By furnishing a robust and inflexible framework for the crane or hoist system, steel angles prove their worth. Notably, their superior strength-to-weight ratio renders them an optimal selection for heavy-duty tasks. Furthermore, the convenience of welding or bolting steel angles together facilitates effortless installation and customization. All in all, steel angles offer a dependable and economically viable choice for integration into overhead crane or hoist systems.

Q:How are steel angles protected during transportation and storage?: To ensure the preservation and quality of steel angles during transportation and storage, various measures are taken. One commonly employed method involves the application of a protective coating or paint to the surfaces of the steel angles. This coating acts as a barrier, shielding the angles from moisture and preventing the occurrence of rust and corrosion. Moreover, plastic wrapping or tarp covering can be utilized to safeguard the angles against dirt, dust, and other contaminants. During transportation, the risk of shifting or falling is minimized by securing the steel angles in bundles or arranging them in a manner that reduces such hazards. Additionally, pallets or skids may be employed to facilitate handling and prevent direct contact with the ground. When stored, it is crucial to keep the steel angles in a well-ventilated and dry area in order to prevent the accumulation of moisture. Furthermore, proper labeling and handling instructions play a vital role in preventing mishandling or damage during transportation. This entails the use of appropriate lifting equipment and avoidance of rough handling that could potentially lead to bending or deformation. By implementing these protective measures, the integrity and quality of steel angles can be upheld throughout the transportation and storage processes, ensuring their readiness for use.

Q:What are the different methods for cutting steel angles?: There are several different methods for cutting steel angles, depending on the specific requirements and the tools available. Some of the most common methods include: 1. Manual cutting: This involves using a handheld hacksaw or a metal cutting bandsaw to cut through the steel angle. It is a labor-intensive method and may not be suitable for large-scale projects or precise cuts. 2. Abrasive cutting: This method uses an abrasive wheel or disc to grind through the steel angle. It is commonly done with an angle grinder or a chop saw. Abrasive cutting is faster than manual cutting and can provide reasonably accurate cuts. 3. Plasma cutting: Plasma cutting involves using a high-temperature plasma arc to melt through the steel angle. It is a versatile method that can cut through thick steel angles quickly and accurately. However, it requires specialized equipment and may not be suitable for small-scale or on-site projects. 4. Laser cutting: Laser cutting uses a high-powered laser beam to melt through the steel angle. It is a precise and efficient method that can produce intricate cuts with minimal heat-affected zones. Laser cutting is commonly used in industrial settings and requires specialized equipment. 5. Waterjet cutting: Waterjet cutting utilizes a high-pressure jet of water mixed with abrasive particles to cut through the steel angle. It is a versatile method that can produce precise cuts without generating heat or causing distortion. Waterjet cutting is commonly used in industries where heat-affected zones and material distortion are a concern. 6. Shearing: Shearing involves using a shear machine to apply a cutting force to the steel angle, causing it to fracture along a predetermined line. It is a fast and efficient method for straight cuts and is commonly used for high-volume production. The choice of cutting method depends on various factors such as the size and thickness of the steel angle, the desired accuracy of the cut, the available equipment, and the project requirements. It is important to consider the specific needs and limitations before selecting the most appropriate cutting method.

Q:What is the typical corrosion resistance of steel angles?: The typical corrosion resistance of steel angles can vary depending on the specific grade of steel used and the environmental conditions in which they are exposed. However, in general, steel angles have a moderate to high level of corrosion resistance due to the presence of alloying elements such as chromium, nickel, and molybdenum. These elements form a protective oxide layer on the surface of the steel, which helps to prevent further corrosion. Additionally, the use of coatings or treatments such as galvanization or painting can further enhance the corrosion resistance of steel angles. Ultimately, it is important to consider the specific application and environment in order to select the appropriate grade of steel angle with the desired level of corrosion resistance.

Q:Can steel angles be used for outdoor applications?: Indeed, outdoor applications can make use of steel angles. Fashioned from a robust and enduring material, steel angles prove themselves apt for a multitude of outdoor endeavors. Frequently employed in construction, infrastructure, and engineering ventures necessitating structural support or reinforcement, steel angles endure inclement weather conditions, including rain, snow, and direct sunlight, without succumbing to decay or weakening. Moreover, steel angles possess the potential to be coated or treated, amplifying their ability to resist corrosion and further augmenting their appropriateness for outdoor applications. On the whole, steel angles present themselves as a dependable and adaptable option for outdoor projects requiring durability, strength, and long-term reliability.

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