Steel Bar in Angle Shape for Structure Construction with High Quality

Steel Bar in Angle Shape for Structure Construction with High Quality System 1

Steel Bar in Angle Shape for Structure Construction with High Quality

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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 Bar in Angle Shape Description:

Steel bar in angle shape is a main kind of structure steel and the section is like a letter L. We use steel bar in angle shape for structure construction. Steel bar in angle shape 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 bar in angle shape.

2. Main Features of Steel Bar in Angle Shape:

• 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 Bar in Angle Shape Images:

Steel Bar in Angle Shape for Structure Construction with High Quality

4. Steel Bar in Angle Shape 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.

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 transport steel angles safely?: Proper planning and adherence to specific guidelines are necessary for the safe transportation of steel angles. To ensure their safe transport, the following steps should be taken: 1. Secure the steel angles: Before transportation, it is important to securely fasten the steel angles. This can be achieved by using straps or chains to hold them firmly in place. Avoid any movement or shifting of the angles during transit by ensuring they are tightly secured. 2. Choose appropriate transportation equipment: Depending on the quantity and size of the steel angles, select suitable transportation equipment. Flatbed trucks or trailers with secure tie-down points are commonly used for this purpose. If needed, specialized equipment such as cranes or forklifts can be utilized for safe loading and unloading. 3. Safeguard the steel angles: To prevent damage during transit, it is crucial to protect the steel angles from potential hazards. This can be done by using adequate packaging materials like cardboard or wooden crates to cover and provide additional support. Additionally, consider using protective padding or blankets to prevent scratches or dents. 4. Ensure proper weight distribution: Maintaining proper weight distribution is essential for stability during transportation. Distribute the load evenly across the transportation equipment to avoid imbalance or tipping. If necessary, consult weight distribution guidelines or seek professional advice to ensure safe transportation. 5. Adhere to local regulations: Familiarize yourself with the transportation regulations and guidelines in your area. Ensure compliance with any specific requirements regarding load securing, maximum weight limits, or permits for oversized shipments. This will guarantee legal compliance and safe transportation. 6. Inspect and maintain the transportation equipment: Regularly inspect the transportation equipment for any signs of wear and tear. Check the condition of straps, chains, or tie-down points to ensure they are in good working condition. Proper maintenance of the equipment reduces the risk of accidents or incidents during transportation. 7. Plan the route and consider weather conditions: Before transporting the steel angles, carefully plan the route, taking into account any potential obstacles or road conditions that may affect safety. Be aware of height or weight restrictions on certain roads or bridges. Additionally, consider weather conditions such as heavy rain, snow, or strong winds, and adjust the transportation plan accordingly. By following these steps and taking necessary precautions, you can safely transport steel angles, minimizing the risk of damage, accidents, or injuries. Always prioritize safety and comply with applicable regulations for a successful transportation process.

Q: How do you calculate the buckling strength of a steel angle?: To calculate the buckling strength of a steel angle, several factors need to be considered. The buckling strength refers to the ability of the angle to resist buckling or collapse under applied loads. Firstly, the geometry of the steel angle must be determined. This includes the dimensions of the angle, such as the length of the legs and the thickness of the steel. Additionally, the cross-sectional properties, such as the moment of inertia and the section modulus, need to be calculated. Next, the effective length of the angle needs to be determined. The effective length is a measure of how restrained the angle is against buckling. It depends on factors such as the boundary conditions and the connection details. The effective length can be different for different modes of buckling, such as flexural or torsional buckling. Once the effective length is determined, the critical buckling load can be calculated using an appropriate buckling equation. There are several buckling equations available, depending on the boundary conditions and the mode of buckling. For example, the Euler buckling equation can be used for long, slender angles subjected to axial compression. Other equations, such as the Johnson buckling equation, may be used for more complex loading scenarios. The critical buckling load can then be converted to an allowable stress using a suitable safety factor. The safety factor accounts for uncertainties in the calculation and ensures that the angle can safely carry the applied load without buckling. The safety factor is typically specified by design codes or industry standards. In summary, calculating the buckling strength of a steel angle involves determining the geometry and effective length of the angle, applying an appropriate buckling equation, and converting the critical load to an allowable stress using a safety factor. It is important to consult relevant design codes and standards to ensure accurate and safe calculations.

Q: How do you determine the appropriate size of steel angle for a specific application?: To determine the appropriate size of steel angle for a specific application, factors such as the load it needs to bear, the length of the span, the type of material being supported, and any applicable building codes or regulations should be considered. Structural engineers or professionals with expertise in steel construction can perform calculations and analysis to determine the required size of steel angle based on these factors.

Q: Are steel angles suitable for scaffolding?: Certainly, scaffolding can indeed utilize steel angles. With their strength and durability, steel angles serve as an excellent option for bolstering hefty loads and ensuring stability at construction sites. By effortlessly connecting and assembling them, a steady structure for workers to reach elevated levels during construction or maintenance endeavors can be promptly established. Moreover, the versatility of steel angles permits diverse configurations and adjustments to cater to distinct project needs. Overall, steel angles are deemed as a dependable and frequently employed element within scaffolding systems.

Q: How do steel angles perform in cold weather conditions?: Due to their high durability and strength, steel angles are well-suited for use in cold weather conditions. The excellent properties of steel, such as its ability to withstand extreme temperatures and resist deformation, make it an ideal material for various applications in cold environments. In the construction, infrastructure, and manufacturing industries, steel angles are commonly employed to provide structural support and stability. They maintain their structural integrity in cold weather, ensuring the safety and longevity of the structures they are incorporated into. Moreover, steel possesses a low thermal expansion coefficient, meaning it experiences minimal contraction or expansion with temperature changes. Consequently, it is less prone to warping or cracking in freezing conditions. Overall, steel angles are a dependable choice for cold weather conditions, offering outstanding performance and reliability.

Q: What is the minimum thickness for a steel angle?: The specific application and requirements determine the minimum thickness for a steel angle. Typically, steel angles come in various thicknesses, beginning at approximately 1/8 inch (3.175 mm) and extending to multiple inches thick. Nevertheless, it is crucial to consider factors like the load it will support, the structural design, and any applicable building codes or industry standards when determining the minimum thickness for a steel angle. Seeking advice from a structural engineer or referring to relevant guidelines can offer more precise information on the minimum thickness necessary for a steel angle in a particular scenario.

Q: What is the cost of steel angles?: The price of steel angles may differ based on a variety of factors, including the steel type, angle length and thickness, and the supplier. Typically, the current market rates for steel dictate the cost of steel angles, which can change periodically. To obtain precise price quotations for the steel angles you need, it is recommended to get in touch with various suppliers or consult online platforms.

Q: How do you calculate the moment of inertia of a steel angle?: To calculate the moment of inertia of a steel angle, you need to know the dimensions and shape of the angle. The moment of inertia measures an object's resistance to changes in rotation, and it is essential in engineering and physics calculations. The moment of inertia, denoted by I, can be calculated using the formula: I = (b * h^3) / 12 Where: - I is the moment of inertia - b is the base width of the steel angle - h is the height or leg length of the steel angle This formula assumes that the steel angle is a uniform, solid object. If the steel angle has varying dimensions or holes, the calculation becomes more complex and may require additional formulas or numerical methods. It is important to note that the moment of inertia depends on the axis of rotation. The formula mentioned above calculates the moment of inertia about the centroidal axis, which is the axis passing through the center of mass of the angle. If you need to calculate the moment of inertia about a different axis, you may need to use the parallel axis theorem or other advanced techniques. In practice, it is often helpful to consult engineering handbooks or reference materials specific to steel angles as they may provide more detailed formulas or tables that take into account specific design characteristics and dimensions.

Q: What is the process of hot rolling steel angles?: The process of hot rolling steel angles involves a series of steps that transform raw materials into finished steel angles with specific dimensions and properties. Firstly, the raw material, which is typically a billet or a continuous casting, is heated to a temperature above its recrystallization point. This makes the steel more malleable and easier to shape. The heated billet is then fed into a rolling mill, where it passes through a series of rollers. These rollers apply pressure to the billet, causing it to deform and take the shape of an angle. The angle is determined by the shape of the rollers, which have a groove or profile that matches the desired angle dimensions. As the billet passes through the rolling mill, it undergoes a process called plastic deformation. This involves the elongation and reduction of its cross-sectional area, resulting in a longer and thinner shape. The angle's flanges, which are the vertical sides, and the web, which is the horizontal section connecting the flanges, are formed during this deformation. To maintain the desired shape and dimensions, the steel angle may pass through multiple sets of rollers, each applying pressure and further shaping the angle. This continuous rolling process ensures consistent dimensions and smooth surfaces. Once the hot rolling process is complete, the steel angles are cooled and straightened. This is typically done using water or air cooling methods. Cooling the steel rapidly helps to harden and strengthen it, while straightening ensures that the angles are free from any bends or twists. After cooling and straightening, the steel angles may undergo additional processes such as cutting to the desired length, surface treatment such as painting or galvanizing, and quality control inspections to ensure they meet the required specifications. Overall, the hot rolling process for steel angles involves heating the raw material, passing it through rolling mills to shape and deform it, cooling and straightening the angles, and finally finishing them to meet the desired specifications. This process results in high-quality steel angles that are widely used in construction, manufacturing, and various other industries.

Q: Can steel angles be painted or coated?: Yes, steel angles can be painted or coated. Painting or coating steel angles helps to prevent corrosion and provides aesthetic appeal.

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