ANGLE

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Specifications of Angle Steel

1. Invoicing on theoretical weight or actual weight as customer request

2. Length: 6m, 9m, 12m as following table

3. Sizes

Angle Steel

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. Payment terms:

1).100% irrevocable L/C at sight.

2).30% T/T prepaid and the balance against the copy of B/L.

3).30% T/T prepaid and the balance against L/C

6.Material details:

Alloy No	Grade	Element (%)
		C	Mn	S	P	Si
		C	Mn	S	P	Si

Q235	B	0.12—0.20	0.3—0.7	≤0.045	≤0.045	≤0.3

Alloy No	Grade	Yielding strength point( Mpa)
		Thickness (mm)
		≤16	＞16--40		＞40--60	＞60--100
		≥

Q235	B	235		225	215	205
Alloy No	Grade	Tensile strength (Mpa)	Elongation after fracture (%)
		Tensile strength (Mpa)	Thickness (mm)
			≤16	＞16--40	＞40--60	＞60--100
			≥

Q235	B	375--500	26	25	24	23

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

Q:What are the common design codes or standards for steel angles?: Structural design of steel angles is governed by various design codes and standards, which guarantee their compliance with safety and performance criteria. The American Institute of Steel Construction (AISC) Manual of Steel Construction is widely recognized as a crucial design code for steel angles. This manual offers comprehensive guidelines and specifications for the design, fabrication, and erection of steel structures, encompassing angles as well. It provides intricate details regarding design strength, allowable stress levels, and geometric properties of angles. Besides the AISC Manual, other design codes and standards may also apply depending on the specific project and location. These include internationally recognized standards such as the Eurocode, British Standards (BS), and Australian Standards (AS). Each of these standards may have slight variations in their requirements for steel angle design and utilization. Therefore, referring to the relevant standard for a specific project is of utmost importance. Moreover, the American Society for Testing and Materials (ASTM) has established standards for the physical and mechanical properties of steel angles. These standards guarantee that the angles satisfy certain quality and performance requirements. Among the most commonly utilized ASTM standards for steel angles is ASTM A36, which outlines general requirements for carbon structural steel. To ensure structural integrity and reliability, common design codes and standards for steel angles provide guidance on crucial factors such as load capacity, strength, and safety considerations. By adhering to these codes and standards, steel angles are designed and employed in a manner that promotes their structural soundness and dependability.

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:Can steel angles be used in transportation or infrastructure projects?: Indeed, transportation or infrastructure projects can incorporate steel angles. Owing to their robustness and endurance, steel angles are frequently employed in construction. They are commonly utilized to furnish structural reinforcement and steadiness in a myriad of scenarios, including bridges, buildings, highways, and railways. In the realm of transportation projects, steel angles can be employed to fabricate vehicle ramps, guardrails, and frameworks for overhead signs. In infrastructure projects, they can be leveraged to erect retaining walls, foundations, and frameworks for utility installations. The adaptability and dependability of steel angles render them a favored option in these particular project types.

Q:Can steel angles be used in electrical applications?: Yes, steel angles can be used in electrical applications. Steel angles are commonly used as structural supports in various industries, including electrical applications. They provide stability and strength to electrical installations, especially when used for mounting electrical equipment such as junction boxes, panels, or conduits. Steel angles are durable and offer excellent load-bearing capacity, making them suitable for supporting heavy electrical components. They are also corrosion-resistant, which is crucial in electrical applications where moisture or environmental factors may be present. Moreover, steel angles can be easily customized and fabricated to meet specific requirements. They can be cut, drilled, welded, or formed into various shapes to accommodate different electrical configurations. This flexibility allows for easy installation and ensures compatibility with other electrical components. In summary, steel angles are a reliable choice for electrical applications due to their strength, durability, corrosion resistance, and versatility. They provide essential support and stability to electrical installations, making them a preferred choice in various electrical projects.

Q:What is the maximum load a steel angle can support?: The load capacity of a steel angle depends on various factors including its dimensions, the type and grade of steel used, and the method of support. Steel angles are generally known for their strength and ability to bear heavy loads. They are commonly used in construction and structural applications to provide support and stability to different structures. To determine the maximum load that a specific steel angle can support, it is necessary to refer to engineering tables or reference materials that provide load capacity data for different steel angles. These resources take into account factors such as the angle's length, width, and thickness, the type of steel used (e.g., mild steel or high-strength steel), and the method of support (e.g., cantilever or simply supported). It is important to highlight that determining the maximum load a steel angle can bear typically involves conducting tests in a controlled environment to ensure safety and reliability. These tests involve gradually increasing the load applied to the angle until it reaches its maximum load-bearing capacity or fails. The results of these tests are used to establish load capacity guidelines for engineers and builders. Therefore, without specific information regarding the dimensions, type of steel, and method of support, it is not possible to provide an exact maximum load value for a steel angle. It is recommended to consult relevant engineering references, structural engineers, or manufacturers to obtain accurate load capacity information for a specific steel angle.

Q:What is the standard length of a steel angle?: The standard length of a steel angle is typically 20 feet or 6 meters.

Q:How do you prevent steel angles from rusting in high humidity environments?: To prevent steel angles from rusting in high humidity environments, a common approach is to apply a protective coating like paint or epoxy. This creates a barrier between the steel and moisture, preventing direct contact and inhibiting rust formation. Additionally, regular inspections and maintenance, such as cleaning and reapplying the protective coating when necessary, can help ensure the longevity of the steel angles in such conditions.

Q:Can steel angles be used in conveyor systems or material handling equipment?: Yes, steel angles can be used in conveyor systems or material handling equipment. They provide structural support and stability, making them suitable for constructing frames and supports in conveyor systems and material handling equipment.

Q:What are the maximum allowable lengths for steel angles?: The maximum allowable lengths for steel angles can vary depending on the specific application and the regulations and guidelines set forth by the relevant industry standards. Generally, the maximum allowable lengths for steel angles are determined by factors such as the material's strength, the load it is intended to bear, and the structural design considerations. In construction and engineering industries, steel angles are commonly used for various structural applications such as framing, bracing, and support. The maximum allowable lengths for steel angles are often specified by building codes, engineering standards, or project-specific design criteria. These regulations ensure that the angles can withstand the expected loads and provide adequate structural stability. It is important to consult the appropriate industry standards and regulations, as well as consult with a qualified structural engineer or designer, to determine the maximum allowable lengths for steel angles in a specific application. These professionals take into account factors such as the angle's dimensions, thickness, material properties, and the specific load requirements to determine the appropriate length that can safely and effectively meet the project requirements.

Q:Can steel angles be used in the construction of airport terminals?: Yes, steel angles can be used in the construction of airport terminals. Steel angles are commonly used in structural applications because of their strength and durability. They can be used for framing, support, and reinforcement in various structural elements of airport terminals, such as columns, beams, and trusses.

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