Steel Equal Angle Bar for Tower Construction with Small Tolerance

Steel Equal Angle Bar for Tower Construction with Small Tolerance System 1

Steel Equal Angle Bar for Tower Construction with Small Tolerance

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 30000 m.t./month

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1. Structure of Steel Equal Angle Bar Description:

Steel equal angle bar is a main kind of structure steel and the section is like a letter L. We use steel equal angle bar for tower construction. Steel equal angle bar can be erected as soon as the materials are delivered on site. High strength, stiffness, toughness, and ductile properties are advantages of this kind of steel equal angle bar.

2. Main Features of Steel Equal Angle Bar:

• Strength - Having high strength, stiffness, toughness, and ductile properties, structural steel is one of the most commonly used materials in commercial and industrial building construction.

• Constructability - Steel equal angle Bar can be developed into nearly any shape, which are either bolted or welded together in construction. Structural steel can be erected as soon as the materials are delivered on site, whereas concrete must be cured at least 1–2 weeks after pouring before construction can continue, making steel a schedule-friendly construction material.

• Fire resistance - Steel is inherently a noncombustible material. However, when heated to temperatures seen in a fire scenario, the strength and stiffness of the material is significantly reduced. The steel equal angle bar can be enveloped in sufficient fire-resistant materials, increasing overall cost of steel structure buildings.

3. Steel Equal Angle Bar Images:

Steel Equal Angle Bar for Tower Construction with Small Tolerance

4. Steel Equal Angle Bar Specification:

Angle	KG/M	Angle	KG/M	Angle	KG/M	Angle	KG/M
20X20X3	0.889	60X60X5	4.570	90X90X8	10.946	130X130X12	23.600
20X20X4	1.145	60X60X6	5.427	90X90X9	12.220	130X130X13	25.400
25X25X2	0.763	63X63X4	3.907	90X90X10	13.476	130X130X14	27.200
25X25X3	1.124	63X63X5	4.822	90X90X15	15.940	130X130X16	30.900
25X25X4	1.459	63X63X6	5.721	100X100X6	9.366	140X140X10	21.488
30X30X2	0.922	63X63X8	7.469	100X100X7	10.830	140X140X12	25.522
30X30X3	1.373	63X63X10	9.151	100X100X8	12.276	140X140X14	29.490
30X30X4	1.786	70X70X4	4.372	100X100X10	15.120	140X140X15	31.451
36X36X3	1.656	70X70X5	5.397	100X100X12	17.898	140X140X16	33.393

5. FAQ

We have organized several common questions for our clients，may help you sincerely:

①How about the corrosion of the products？

When the steel equal angle bar in contact with water, can corrode, creating a potentially dangerous structure. Measures must be taken in structural steel construction to prevent any lifetime corrosion. The steel can be painted, providing water resistance. Also, the fire resistance material used to envelope steel is commonly water resistant.

②How to inspect the quality？

We have a professional inspection group which belongs to our company. We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.③What is the difference between steel angle bar and traditional material?

Steel equal angle bar differs from concrete in its attributed compressive strength as well as tensile strength.

Q:How do you install steel angles?: To install steel angles, first, identify the location and purpose of the angles. Measure and mark the desired positions on the surface where they will be installed. Use a level to ensure they are straight. Then, drill pilot holes at the marked positions. Align the angles with the pilot holes and secure them in place using appropriate screws or bolts. Finally, double-check the alignment and tighten the screws/bolts to ensure a secure installation.

Q:How do steel angles resist corrosion?: Passivation is the process by which steel angles develop a protective layer on their surface, which helps them withstand corrosion. This layer acts as a barrier against moisture, oxygen, and chemicals that are corrosive to the steel. Typically, steel angles are made from stainless steel, which contains at least 10.5% chromium. Chromium plays a crucial role in the formation of a thin layer of chromium oxide on the steel's surface. This oxide layer is invisible but highly stable, preventing further corrosion. The chromium oxide layer acts as a physical barrier, shielding the underlying steel from the harmful effects of the environment. It is also self-repairing, meaning that if it gets damaged or scratched, it will naturally regenerate and restore its protective properties. Stainless steel angles may also contain other alloying elements like nickel and molybdenum, which enhance their resistance to corrosion. These elements contribute to the formation of a more stable oxide layer and provide added protection against localized corrosion, such as pitting and crevice corrosion. To further enhance their corrosion resistance, steel angles can be treated with various surface finishes or coatings. These treatments, like hot-dip galvanizing, electroplating, or applying organic coatings, create additional layers that act as extra barriers, preventing corrosive substances from reaching the steel surface. In summary, steel angles resist corrosion by forming a protective layer of chromium oxide, which acts as a barrier against corrosive elements. The inclusion of other alloying elements and the application of surface treatments further enhance their ability to withstand corrosion in different environments.

Q:Can steel angles be used for transportation infrastructure projects?: Yes, steel angles can be used for transportation infrastructure projects. Steel angles are commonly used in the construction of bridges, highways, and railway structures due to their strength, durability, and ability to withstand heavy loads. They provide necessary support and stability to various components of transportation infrastructure, making them an ideal choice for such projects.

Q:How much is the weight of 40 * 3 angle steel theory?: Angle called angle, the steel strip is perpendicular to each other on both sides into the corner. There are equal angles and unequal angles. The two sides of an equal angle steel are equal in width. The specifications are expressed in millimeters of edge width * edge width * edge thickness. Such as "/ 30 x 30 x 3", that is 30 mm width equal angle, edge thickness of 3 mm.

Q:What are the different methods for joining steel angles?: There exist various techniques for connecting steel angles, each possessing its own advantages and applications. Welding, bolting, and utilizing adhesive or epoxy are among the most frequently employed methods. Welding is a favored approach for joining steel angles due to its capacity to establish a sturdy and enduring connection. The process involves melting the edges of the angles using a welding torch, allowing them to cool and solidify, thereby creating a bond between the two pieces. Depending on the project's specific requirements, welding can be executed using diverse techniques such as arc welding, MIG welding, or TIG welding. Bolting is another commonly utilized method for joining steel angles, whereby nuts and bolts are employed to secure the angles together. This technique permits easy disassembly and reassembly, making it suitable for scenarios that demand flexibility. Additionally, bolting does not require any heat or special equipment, rendering it a relatively straightforward and cost-effective option. Utilizing adhesive or epoxy represents a non-traditional technique for connecting steel angles. This method involves the application of a potent adhesive or epoxy onto the contact surfaces of the angles, which are subsequently pressed together. Particularly when employing high-strength adhesives designed for metal bonding, this approach can yield a robust and long-lasting bond. Adhesive bonding is often employed in situations where welding or bolting may prove impractical or undesirable, such as when dealing with thin or delicate materials. Ultimately, the selection of a joining method for steel angles depends on various factors, including the specific application, desired strength and durability, ease of installation, and the necessity for disassembly or flexibility. Consulting with an expert or engineer is recommended to determine the most suitable joining method for a particular project.

Q:How do you specify steel angles in a construction project?: In a construction project, steel angles are specified based on their dimensions, grade, and any additional requirements. The dimensions of a steel angle are typically specified as the length of each leg and the thickness of the material. For example, a common specification might be "2-inch by 2-inch by 1/4-inch steel angle". The grade of steel angle is also important to specify as it determines the strength and durability of the material. Common grades for steel angles include A36, A572, and A588. The specific grade chosen will depend on the structural requirements and environmental conditions of the project. In addition to dimensions and grade, any additional requirements such as corrosion resistance, fire resistance, or special finishes should also be specified. For example, if the steel angles will be exposed to outdoor elements, they may need to be hot-dip galvanized or coated with a protective paint. It is important to consult relevant codes and standards, such as the American Institute of Steel Construction (AISC) manual, for guidance on specifying steel angles in a construction project. These codes provide guidelines on allowable stress, design criteria, and other factors to ensure the safe and efficient use of steel angles in structural applications.

Q:Are there any industry standards or certifications for steel angles?: Yes, there are industry standards and certifications for steel angles. The most widely recognized standard for steel angles is the American Society for Testing and Materials (ASTM) standard. The ASTM A36 specification is commonly used for structural steel angles and provides specific requirements for chemical composition, mechanical properties, and dimensional tolerances. In addition to ASTM, other organizations such as the American Institute of Steel Construction (AISC) and the Steel Joist Institute (SJI) provide guidelines and standards for steel angles used in construction and structural engineering applications. These standards ensure that steel angles meet specific requirements for quality, strength, and performance. Furthermore, certifications such as ISO 9001:2015 and ISO 14001:2015 are widely recognized in the steel industry, indicating that a manufacturer has implemented a quality management system and meets environmental management standards. It is important for manufacturers, suppliers, and construction professionals to adhere to these industry standards and certifications to ensure the reliability and safety of steel angles in various applications.

Q:How do you calculate the shear strength of a steel angle?: In order to determine the shear strength of a steel angle, one must take into account both the material properties and the angle's geometry. The shear strength represents the maximum load that the angle can bear before failing due to shear stress. Firstly, it is necessary to calculate the cross-sectional area of the steel angle. This can be achieved by multiplying the angle's thickness by the length of one of its sides. For instance, if the angle has a thickness of 0.25 inches and a side length of 4 inches, the cross-sectional area would amount to 1 square inch (0.25 inches x 4 inches). Subsequently, it is important to establish the shear stress that the angle can endure. Typically, this information is provided by the manufacturer and is indicated as a maximum value in pounds per square inch (psi) or megapascals (MPa). For example, let's assume the shear stress is specified as 30,000 psi. To calculate the shear strength, one must simply multiply the cross-sectional area by the shear stress. Utilizing the aforementioned values, the shear strength would equal 1 square inch x 30,000 psi = 30,000 pounds. It is worth noting that this computation assumes that the angle is subjected to a single shear plane and that the material is both uniform and isotropic. In practical applications, additional factors such as the presence of holes, welds, or other stress concentrations may need to be considered. In such cases, more complex calculations or testing may be necessary to accurately determine the shear strength.

Q:Are steel angles suitable for architectural applications?: Indeed, architectural applications are well-suited for steel angles. In construction and architectural projects, steel angles are frequently employed due to their adaptability, robustness, and visual allure. They serve a multitude of purposes, including the formation of structural frames, supports, connections, and even decorative elements. Architects are provided with a wide range of options when it comes to steel angles, as they are available in various sizes, thicknesses, and finishes, enabling the selection of the most appropriate choice in accordance with specific design requirements. Moreover, steel angles can be effortlessly welded, drilled, and manipulated to accommodate diverse angles and shapes, thus rendering them a versatile and economical alternative for architectural applications.

Q:What are the different types of steel angles used in automotive manufacturing?: There are several types of steel angles used in automotive manufacturing, including equal angles, unequal angles, and L-shaped angles. These angles are commonly used in various structural components of vehicles, such as chassis frames, suspension systems, and body reinforcements.

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