ASTM A36 high quality angle steel 20-250mm

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

ASTM A36 high quality angle steel 20-250mm

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 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: How do steel angles perform in terms of vibration resistance?: Steel angles generally have good vibration resistance due to their strong and rigid structure. The shape of a steel angle, with its L-shaped cross-section, provides additional strength and stability, making it highly resistant to vibrations. When used in construction or engineering applications, steel angles can effectively absorb and dampen vibrations, minimizing the risk of structural damage or failure. The stiffness and high tensile strength of steel angles allow them to withstand dynamic loads and vibrations caused by various factors such as wind, earthquakes, or machinery operations. They can effectively distribute and dissipate vibrational forces throughout their structure, preventing excessive movement or oscillation. This is particularly important in applications where stability and durability are crucial, such as in the construction of bridges, buildings, or industrial equipment. Additionally, steel angles can be designed and manufactured to meet specific vibration resistance requirements. By selecting appropriate steel grades and dimensions, engineers can optimize the performance of steel angles in terms of vibration resistance. They can also incorporate additional features like stiffeners or reinforcements to further enhance the vibration resistance of steel angle structures. Overall, steel angles have proven to be reliable and efficient in withstanding vibrations, making them a popular choice in various industries and applications where structural integrity is of utmost importance.

Q: What are the common welding techniques for steel angles?: There are several common welding techniques that can be used for steel angles: 1. Stick welding, also known as Shielded Metal Arc Welding (SMAW), is a popular choice. It involves using a consumable electrode coated in flux, which creates a protective shield around the weld pool. SMAW is versatile and can be used for steel angles of various thicknesses. 2. Gas Metal Arc Welding (GMAW), also known as MIG welding, is another technique that uses a continuous wire electrode and a shielding gas, typically a mixture of argon and carbon dioxide. GMAW allows for high welding speeds and provides good control over the weld pool, making it suitable for steel angles. 3. Flux-Cored Arc Welding (FCAW) is similar to GMAW, but instead of a shielding gas, it utilizes a flux-filled wire. When heated, the flux creates a protective gas shield that prevents contamination of the weld. FCAW is especially useful for outdoor welding or in windy conditions. 4. Gas Tungsten Arc Welding (GTAW), also known as TIG welding, is a precise and clean welding process. It uses a non-consumable tungsten electrode and a shielding gas, usually argon. GTAW produces high-quality welds on steel angles, making it a preferred choice for thin angles or when aesthetics and control are important. 5. Submerged Arc Welding (SAW) is a semi-automatic or automatic welding process that involves feeding a continuous wire electrode and a granular flux into the weld zone. The flux covers the weld, preventing atmospheric contamination. SAW is commonly used for thicker steel angles and provides high deposition rates. It is crucial to select the appropriate welding technique based on the specific requirements of the steel angle joint, such as thickness, joint design, and desired weld quality. Additionally, proper preparation, including cleaning and preheating if necessary, is essential to ensure successful welds on steel angles.

Q: Can steel angles be used in HVAC systems?: Yes, steel angles can be used in HVAC systems. Steel angles are commonly used in the construction industry for their strength and durability. In HVAC systems, steel angles can be used for various purposes. They can be used as supports for ductwork, providing stability and ensuring proper installation. Steel angles can also be used as brackets or frames for mounting equipment such as fans, compressors, or condensers. Additionally, steel angles can be used in the fabrication of air handling units or other HVAC components. Their rigidity and ability to withstand high temperatures make them suitable for use in HVAC systems.

Q: Can steel angles be used in earthquake-resistant building designs?: Yes, steel angles can be used in earthquake-resistant building designs. Steel angles are commonly used in construction due to their strength and stability. When properly engineered and integrated into the design, steel angles can provide additional support and reinforcement to the building structure, making it more resistant to seismic forces during an earthquake.

Q: What is the maximum load capacity for a steel angle beam?: The maximum load capacity of a steel angle beam is influenced by several factors, including the beam's size and dimensions, the grade of steel employed, and the intended use or application. While steel angle beams are frequently utilized in construction and structural contexts to bear loads, the precise maximum load capacity may differ. To ascertain the specific maximum load capacity of a steel angle beam in a given scenario, it is crucial to refer to engineering specifications, structural design codes, or seek guidance from a structural engineer.

Q: How do steel angles compare to other materials like aluminum or wood?: Steel angles have several advantages over other materials like aluminum or wood. Firstly, steel angles are known for their strength and durability. Steel is a highly robust material that can withstand heavy loads and high-pressure situations, making it ideal for structural applications. In comparison, aluminum is relatively weaker and less durable, making it better suited for lightweight applications. Secondly, steel angles have excellent fire resistance properties. Steel is non-combustible, which means it does not burn or contribute to the spread of fire. On the other hand, wood is highly flammable and can be a fire hazard in certain situations. Aluminum has a higher melting point than wood, but it does not possess the same level of fire resistance as steel. Moreover, steel angles have superior corrosion resistance compared to both aluminum and wood. Steel can be galvanized or treated with protective coatings to prevent rust and corrosion, making it suitable for outdoor or marine applications. Aluminum, although it has a natural oxide layer that resists corrosion, is still more susceptible to corrosion than steel. Wood, being an organic material, is highly vulnerable to rot and decay when exposed to moisture or insects. Another advantage of steel angles is their versatility. Steel can be easily fabricated and manipulated into various shapes and sizes, allowing for a wide range of design possibilities. Aluminum also offers some flexibility in terms of fabrication, but it is generally less malleable and more prone to cracking. Wood, while being relatively easy to work with, has limitations in terms of structural integrity and design flexibility. In terms of cost, steel angles are generally more economical than aluminum. Steel is widely available and has lower production costs, making it a cost-effective choice for many applications. Aluminum, on the other hand, can be more expensive due to higher production costs and its limited availability. Wood, depending on the type and quality, can vary in price but is often more affordable than steel or aluminum. In summary, steel angles offer superior strength, durability, fire resistance, corrosion resistance, versatility, and cost-effectiveness compared to materials like aluminum or wood. However, the choice of material ultimately depends on the specific application, design requirements, and budget constraints.

Q: What are the environmental impact considerations of using steel angles?: The environmental impact considerations of using steel angles include the extraction and processing of raw materials, such as iron ore and coal, which contribute to deforestation, habitat destruction, and air pollution. Steel production also requires large amounts of energy, leading to greenhouse gas emissions and climate change. Additionally, the transportation and disposal of steel angles can further contribute to carbon emissions and waste generation. However, steel angles have a long lifespan and can be recycled, reducing the need for new production and minimizing their overall environmental impact.

Q: What is the process of punching holes in steel angles?: The process of punching holes in steel angles typically involves using a specialized machine called a punch press. The steel angle is securely clamped into the machine, and then a punch and die set is aligned with the desired location for the hole. The machine is then activated, and the punch is driven into the steel angle, creating a hole. This process can be repeated multiple times to create multiple holes in the steel angle, if needed.

Q: Can steel angles be used in seismic zones?: Yes, steel angles can be used in seismic zones. Steel angles are commonly used in seismic design and construction as they provide structural support and stability. However, it is important to ensure that the steel angles are designed and installed according to the specific building codes and regulations for seismic zones to ensure their effectiveness and safety.

Q: What is the standard size of steel angles?: The standard size of steel angles varies depending on the region and specific industry standards. In general, steel angles are commonly available in equal and unequal leg lengths, with the equal leg angles typically ranging from 20mm to 200mm in size. The thickness of the angle can also vary, typically ranging from 3mm to 20mm. However, it is important to note that these dimensions may differ based on the specific application or the requirements of a particular project. It is advisable to consult with industry standards or manufacturers to determine the appropriate size of steel angles for a particular project.

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