Hot Rolled Steel Angle Q345

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 200000 m.t./month

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Specifications of Hot Rolled Steel Angle Q345

1. Standards: GB,ASTM,BS,AISI,DIN,JIS

2. Length:6m,9m,12m

3. Material:Material: GB Q235B, Q345B or Equivalent; ASTM A36; EN 10025, S235JR, S355JR; JIS G3192, SS400;

SS540.

4. Sizes:

Equal Steel Angle

Sizes: 25mm-250mm
a*t
25*2.5-4.0	70*6.0-9.0	130*9.0-15
30*2.5-6.6	75*6.0-9.0	140*10-14
36*3.0-5.0	80*5.0-10	150*10-20
38*2.3-6.0	90*7.0-10	160*10-16
40*3.0-5.0	100*6.0-12	175*12-15
45*4.0-6.0	110*8.0-10	180*12-18
50*4.0-6.0	120*6.0-15	200*14-25
60*4.0-8.0	125*8.0-14	250*25

5. Chemical data: %

C	Mn	S	P	Si
0.14-0.22	0.30-0.65	≤0.050	≤0.045	≤0.30

Hot Rolled Steel Equal Angle

Usage & Applications of Equal Angle

Trusses;

Transmission towers;

Telecommunication towers;

Bracing for general structures;

Stiffeners in structural use.

Packaging & Delivery of Hot Rolled Steel Angle Q345

1. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.

2. With bundles and load in 20 feet/40 feet container, or by bulk cargo, also we could do as customer's request.

3. Marks:

Color mark: 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.

Q: Can steel angles be painted or coated for aesthetic purposes?: Steel angles can indeed be painted or coated to improve their appearance and shield them from corrosion. Typically, this entails cleaning the surface of the steel angles to eliminate any dirt, oil, or rust, followed by applying a primer and paint or a specialized coating. The selection of paint or coating will vary based on the desired aesthetic and the environmental conditions the steel angles will encounter. Through the process of painting or coating steel angles, they can be personalized to complement the surrounding decor or architectural design, resulting in a more visually attractive appearance that seamlessly harmonizes with the overall aesthetic.

Q: How do you protect steel angles during transportation?: To protect steel angles during transportation, it is important to use proper packaging and secure them tightly to prevent any movement or shifting. This can be achieved by using sturdy crates or pallets, wrapping them in protective materials such as foam or bubble wrap, and using straps or bands to secure them in place. Additionally, ensuring that the angles are properly cushioned and avoiding contact with other sharp or abrasive materials will help prevent any damage or scratches.

Q: What are the common design codes and standards for steel angles?: The specific application and industry requirements determine the common design codes and standards for steel angles. Various recognized design codes and standards are applicable to steel angles, including: 1. The American Institute of Steel Construction (AISC) offers design specifications and standards for structural steel construction, including angles. The AISC Steel Construction Manual provides guidance on designing steel structures and selecting steel angles. 2. The American Society for Testing and Materials (ASTM) develops and publishes technical standards for different materials, including steel. ASTM A36/A36M is a commonly referenced standard for carbon structural steel, including angles. It specifies requirements for chemical composition, mechanical properties, and testing methods. 3. The European Norm (EN) specifies technical delivery conditions for structural steel products. EN 10025-2 covers non-alloy structural steels, including angles, and provides requirements for chemical composition, mechanical properties, and tolerances. 4. The British Standards Institution (BSI) publishes standards related to steel angles, such as BS EN 10056-1. This standard details the dimensions and tolerances for hot-rolled equal and unequal steel angles. 5. The Canadian Standards Association (CSA) provides guidance for steel design and construction in Canada. CSA G40.21 is a widely used standard that covers requirements for general structural steel, including angles. It is important to note that these examples represent common design codes and standards for steel angles. Depending on the project and location, additional local or industry-specific codes and standards may need to be considered. Consulting a structural engineer or referring to relevant design codes and standards is crucial for ensuring compliance and safety in steel angle design and construction.

Q: How do you calculate the load capacity of a steel angle?: To calculate the load capacity of a steel angle, you need to consider several factors. Firstly, you need to determine the yield strength of the steel angle. This can be obtained from the manufacturer's specifications or by conducting tests. The yield strength is the maximum stress that the steel angle can withstand without permanent deformation. Next, you need to determine the moment of inertia of the angle section. The moment of inertia is a measure of the beam's resistance to bending. It can be calculated using the formula: I = (b * h^3) / 12, where b is the width and h is the height of the angle section. Once you have the yield strength and moment of inertia, you can use the formula for bending stress: σ = (M * c) / I, where σ is the bending stress, M is the applied moment, and c is the distance from the centroid to the extreme fiber. To calculate the load capacity, you need to consider the safety factor. The safety factor accounts for uncertainties and variations in loading conditions. It is typically specified by the design code or standard being used. To determine the load capacity, divide the bending stress by the safety factor: Load Capacity = σ / Safety Factor. It is important to note that the load capacity calculation assumes that the steel angle is perfectly straight, with no defects or imperfections. In real-world applications, additional factors such as residual stress, temperature effects, and dynamic loading should also be considered. It is recommended to consult with a structural engineer or refer to design codes and standards specific to your application to ensure accurate calculations.

Q: What is the maximum temperature steel angles can withstand?: The specific grade of steel being used determines the maximum temperature that steel angles can endure. In general, carbon steel can withstand temperatures of approximately 1000°C (1832°F) before its structural integrity begins to deteriorate. Nonetheless, the duration of exposure to high temperatures, the applied load, and the cooling rate after exposure are also influential in establishing the maximum temperature that steel angles can tolerate. To ensure that the steel angles are used within their safe temperature limits, it is advisable to consult the manufacturer's specifications or a structural engineer.

Q: What's the chemical reaction between stainless steel and galvanized angle iron?: They are not the two reaction, after they are Unicom, there can be electronic flow, and zinc than iron lively, so galvanized angle iron is more likely to be corrosion (mainly air oxidation).

Q: Can steel angles be used for shelving?: Indeed, shelving can make use of steel angles. Due to their resilience and robustness, steel angles are frequently employed in shelving systems. They offer substantial reinforcement for shelves and can withstand immense weights. Moreover, steel angles possess adaptability and can be readily tailored to suit various shelving arrangements. They are commonly utilized in industrial environments, warehouses, garages, and even in residential settings where a formidable and dependable shelving solution is sought after.

Q: What are the load-bearing capacities of steel angles?: The load-bearing capacities of steel angles vary depending on factors such as the size and thickness of the angle, the type of steel used, and the specific design and construction requirements. It is important to refer to engineering specifications, codes, and standards to determine the load-bearing capacities of steel angles for a particular application.

Q: How do you calculate the compression capacity of a steel angle?: In order to determine the compression capacity of a steel angle, it is necessary to take into account various factors, such as the properties of the steel angle and the applied load. The following step-by-step guide outlines the process for calculating the compression capacity: 1. Begin by assessing the properties of the steel angle. This involves noting the angle's dimensions, including length, thickness, and width. Additionally, it is crucial to be aware of the material properties of the steel, including the yield strength and modulus of elasticity. 2. Next, ascertain the effective length of the steel angle. This refers to the unsupported length of the angle. Considering the effective length is critical as it impacts the angle's buckling behavior when subjected to compression. 3. Proceed to compute the slenderness ratio, which is the ratio of the effective length to the radius of gyration of the steel angle. The radius of gyration can be determined based on the angle's dimensions. The slenderness ratio aids in determining the angle's buckling capacity. 4. Determine the critical stress, which is the stress at which the steel angle commences buckling under compression. Euler's formula can be utilized to calculate the critical stress. This formula is expressed as follows: Critical stress = (π^2 * modulus of elasticity * moment of inertia) / (effective length)^2 5. Lastly, calculate the compression capacity, which denotes the maximum load that the steel angle can endure before buckling. This can be accomplished by multiplying the critical stress by the cross-sectional area of the angle: Compression capacity = critical stress * cross-sectional area By following these outlined steps, it becomes possible to calculate the compression capacity of a steel angle. Nonetheless, it is important to note that this approach is a simplified one. For more precise and accurate calculations, it is recommended to refer to relevant design codes, standards, or seek the guidance of a structural engineer.

Q: Can steel angles be used for manufacturing door frames?: Indeed, door frames can be manufactured using steel angles. In construction, steel angles are frequently employed owing to their robustness and endurance. They offer structural reinforcement and can be effortlessly joined via welding or bolting to create a solid frame. Moreover, steel angles possess the added benefit of being resistant to corrosion, a crucial feature for door frames that are exposed to the elements. Furthermore, steel angles can be tailored to precise measurements and shapes in order to suit the desired design and dimensions of the door frame. All in all, steel angles are a trustworthy and widely favored option for door frame fabrication.

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