high quality angle steel 20-250mm ASTM A36

high quality angle steel 20-250mm ASTM A36 System 1

high quality angle steel 20-250mm ASTM A36

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 m.t./month

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Angle steel Details:

Minimum Order Quantity:		Unit:	m.t	Loading Port:
Supply Ability:		Payment Terms:		Package:	bundle

Product Description:

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:Are steel angles suitable for earthquake-resistant structures?: Yes, steel angles are suitable for earthquake-resistant structures. Steel is a durable and flexible material that can withstand strong seismic forces. Steel angles provide structural stability and can be used for bracing and reinforcing various components of a building, making them an effective choice for earthquake-resistant construction.

Q:Are steel angles easy to install?: Steel angles can be relatively easy to install, depending on the specific application and level of expertise. They are commonly used in construction projects for structural support, reinforcement, and framing purposes. The installation process usually involves measuring, cutting, and securing the steel angles to the desired location using appropriate fasteners such as screws, bolts, or welding. However, it is important to note that the ease of installation may vary depending on the complexity of the project and the skills of the individual or team performing the installation. Professional contractors or experienced individuals may find it easier to install steel angles due to their familiarity with the materials and techniques involved. On the other hand, inexperienced individuals may need to seek guidance or assistance from professionals to ensure proper installation and adherence to safety guidelines. Overall, with the right tools, knowledge, and precautions, steel angles can be relatively easy to install. It is always recommended to follow manufacturer instructions, consult professionals if necessary, and prioritize safety during the installation process to achieve optimal results.

Q:Are steel angles susceptible to fatigue failure?: Indeed, steel angles can experience fatigue failure. This failure occurs when a material undergoes repeated cycles of loading and unloading, resulting in the development and spread of cracks within the material. Similar to other structural components, steel angles can be exposed to cyclic loading conditions, such as vibrations, oscillations, or repeated stress applications. Multiple factors influence the occurrence of fatigue failure in steel angles, including the properties of the material, the geometric shape of the angle, the magnitude and frequency of the applied loads, and the presence of any defects or stress concentrations. Notches, welds, or sharp corners can particularly act as stress raisers, leading to localized stress concentrations and potential sites for crack initiation. To mitigate the risk of fatigue failure, engineers and designers consider various strategies. Firstly, they thoroughly assess the anticipated loading conditions and incorporate appropriate safety factors into the design to ensure that the steel angles do not experience stress levels surpassing their fatigue strength. Secondly, they strive to minimize stress concentrations through proper design techniques, such as incorporating rounded corners or fillets, which help distribute stress more uniformly and decrease the likelihood of crack initiation. Additionally, regular inspection and maintenance of structures play a crucial role in identifying potential fatigue cracks, enabling necessary repairs or replacements.

Q:Can steel angles be used in the construction of power plants?: Steel angles are indeed suitable for use in power plant construction. They are frequently employed to provide structural support and stability, as well as to withstand heavy loads. In power plant construction, steel angles have several applications, including framing structural components, supporting machinery, reinforcing concrete structures, and ensuring the overall structural integrity of the plant. Moreover, steel angles are highly resistant to corrosion, which is especially crucial in power plants where they are exposed to high temperatures, moisture, and chemicals. Thus, the versatility, strength, and durability of steel angles make them an excellent option for constructing power plants.

Q:What is the maximum deflection allowed for a steel angle beam?: Various factors, such as specific design requirements, applied load, and beam length, determine the maximum deflection permitted for a steel angle beam. Industry standards and codes play a crucial role in establishing this limit to guarantee the beam's structural integrity and safety. These standards consider material properties, section dimensions, and the beam's intended purpose. Engineers usually consult references like the AISC Manual of Steel Construction or the Eurocode for Structural Design to ascertain the maximum allowable deflection. These codes offer guidelines and equations based on the beam's characteristics and applied load to calculate this limit. It is essential to understand that the maximum deflection permitted for a steel angle beam is not a fixed value. Instead, it acts as a boundary to ensure that the beam remains structurally sound while fulfilling its intended purpose. Therefore, it is vital to consult the appropriate design codes and collaborate with a qualified structural engineer to determine the specific maximum deflection allowed for a particular steel angle beam in a given application.

Q:Can steel angles be used in earthquake-resistant construction?: Yes, steel angles can be used in earthquake-resistant construction. Steel angles provide structural stability and strength and can be effectively utilized in earthquake-resistant designs to resist lateral forces and seismic loads. The rigidity and durability of steel angles make them suitable for reinforcing building frames and providing stability during seismic events.

Q:How do you determine the required number of fasteners for a steel angle connection?: To determine the required number of fasteners for a steel angle connection, several factors need to be considered. These include the load being applied, the size and thickness of the angle, the type and strength of the fasteners being used, and any applicable building codes or engineering standards. Typically, calculations or guidelines provided by structural engineers or industry standards are used to determine the minimum number and spacing of fasteners needed to ensure the connection is strong and safe.

Q:How do you calculate the buckling strength of a steel angle?: The buckling strength of a steel angle can be calculated using Euler's formula for buckling. This formula takes into account the length and moment of inertia of the angle, as well as the axial load applied to it. By plugging in the appropriate values and solving the equation, we can determine the buckling strength of the steel angle.

Q:Can steel angles be used for signposts and traffic signals?: Yes, steel angles can be used for signposts and traffic signals. Steel angles are commonly used in construction and engineering projects due to their strength and durability. They provide excellent support and stability, making them suitable for applications such as signposts and traffic signals that need to withstand various weather conditions and potential impacts. Additionally, steel angles can be easily customized and fabricated to meet the specific requirements of different signpost and traffic signal designs, making them a versatile choice for these structures. Overall, steel angles are a reliable and commonly used material for signposts and traffic signals due to their strength, durability, and versatility.

Q:Can steel angles be used in outdoor or exposed applications?: Yes, steel angles can be used in outdoor or exposed applications. Steel angles are commonly made from galvanized steel, which is coated with a protective layer of zinc. This zinc coating helps to prevent corrosion and rust, making them suitable for outdoor use. Additionally, steel angles are durable and strong, making them suitable for various applications such as construction, infrastructure, and outdoor furniture. However, it is essential to ensure proper maintenance and periodic inspection to identify any signs of corrosion or damage and take necessary actions to prevent potential issues.

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