ANGLE STEEL 20MM

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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Angle Steel Details:

Minimum Order Quantity:	25mtons	Unit:	m.t.	Loading Port:	China Main Port
Supply Ability:	80000-100000MTS/YEAR	Payment Terms:	TT or LC

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 cost-effective?: Indeed, steel angles prove to be economical. Their versatility and durability lead to their extensive use across different industries and construction endeavors. The simplicity of their manufacturing process, along with their widespread availability and impressive strength-to-weight ratios, contribute to their high cost-effectiveness. Furthermore, the extended lifespan of steel angles reduces the necessity for frequent replacements or repairs, ultimately minimizing maintenance expenses in the long term. Additionally, the recyclability of steel angles aligns with environmental consciousness and sustainability. All in all, the affordability of steel angles establishes them as a favored option for both structural and architectural purposes.

Q: What are the different methods of cutting steel angles?: There are several methods for cutting steel angles, including using a bandsaw, a chop saw, an angle grinder with a cutting wheel, or a plasma cutting machine. Each method has its own advantages and considerations, such as the desired precision, speed, and cost. The choice of method depends on the specific requirements of the project and the available equipment.

Q: How do steel angles perform under lateral or wind loading conditions?: Steel angles are commonly used in construction for their ability to withstand lateral or wind loading conditions. Due to their shape and structural design, steel angles offer excellent resistance against bending and twisting forces. They distribute the applied loads efficiently, ensuring stability and minimizing any potential structural damage. Overall, steel angles are reliable and perform exceptionally well under lateral or wind loading conditions.

Q: What are the different specifications for steel angles?: Steel angles, also referred to as angle irons or L-shaped bars, are utilized as versatile structural components in various industries. Their distinguishing feature is their L-shaped cross-section, which consists of two legs of either equal or unequal lengths. The dimensions of steel angles are determined by their leg lengths (L1 and L2) and thickness (T). The leg lengths can range from equal angles (L1 = L2) to unequal angles (L1 ≠ L2), with common leg lengths falling between 20mm and 200mm, and thicknesses typically ranging from 3mm to 20mm. In terms of material composition, steel angles are predominantly made from carbon steel, prized for its strength and durability. The choice of carbon steel grade employed is dependent on the specific application and the desired mechanical properties. Common grades include A36, A572, and A588. To ensure quality and consistency, steel angles are manufactured in adherence to various standards. These standards, such as ASTM (American Society for Testing and Materials), EN (European Norms), and JIS (Japanese Industrial Standards), establish guidelines for the chemical composition, mechanical properties, and tolerances of steel angles. Steel angles can possess different surface finishes to accommodate diverse applications and meet aesthetic requirements. Popular finishes include hot-dip galvanized, painted, or left as a mill finish (raw steel). Galvanized angles are coated with a layer of zinc for enhanced corrosion protection, while painted angles provide an additional layer of protection and can be customized in terms of color. To ensure conformity with required standards and suitability for structural applications, steel angles are subject to specific tolerances. These tolerances define acceptable deviations from the specified dimensions and can vary based on the manufacturing standard and the particular dimensions of the angle. In conclusion, the specifications for steel angles encompass dimensions (leg lengths and thickness), material composition (carbon steel grades), manufacturing standards (ASTM, EN, JIS), surface finish (galvanized, painted, mill finish), and tolerances. These specifications facilitate the selection of the appropriate steel angle for a given application, guaranteeing structural integrity and optimal performance.

Q: Can steel angles be used in modular construction or prefabricated structures?: Indeed, modular construction or prefabricated structures can indeed utilize steel angles. These versatile and frequently employed structural components possess the ability to furnish modular and prefabricated buildings with both strength and stability. They are capable of constructing the skeletal framework, supporting walls, floors, and roofs, while also reinforcing connections and corners within these edifices. The preference for steel angles arises from their exceptional strength-to-weight ratio, durability, and simplicity in fabrication, rendering them a highly appropriate selection for modular and prefabricated construction endeavors.

Q: How do steel angles perform in terms of sound reflection or absorption?: Steel angles are typically used in construction and engineering applications where their primary purpose is to provide structural support and stability. In terms of sound reflection or absorption, steel angles do not have any significant effect. Due to their dense and rigid nature, steel angles tend to reflect sound rather than absorb it. This means that when sound waves encounter a steel angle, they bounce off its surface and continue to propagate in the surrounding environment. As a result, steel angles are not generally relied upon for soundproofing purposes. To effectively control sound reflection or absorption, alternative materials with sound-dampening properties, such as acoustic panels, insulation, or specialized soundproofing materials, are typically used. These materials are designed to absorb sound waves and minimize their reflection, resulting in a quieter and more controlled acoustic environment. In summary, steel angles are not effective in terms of sound reflection or absorption due to their rigid and reflective nature. Alternative materials should be considered for soundproofing purposes in order to achieve the desired acoustic performance.

Q: What are the different types of connections for steel angles?: Depending on the specific application and load requirements, there are various connection types available for steel angles. Some commonly used connections for steel angles include: 1. Welded connections: The most frequently employed connection type for steel angles involves welding the angle to the supporting structure or to another angle, creating a strong and rigid connection. Welded connections are typically utilized in applications where high load capacity and stability are essential. 2. Bolted connections: Bolts are used to connect the steel angles to the supporting structure or to other angles in bolted connections. This connection type allows for easy assembly and disassembly, making it suitable for applications where flexibility and adjustability are important. 3. Riveted connections: In riveted connections, rivets are used instead of bolts to secure the steel angles. This type of connection offers a robust and durable connection and is commonly found in structural applications. 4. Clip connections: Clip connections involve the use of steel clips to connect the angles to the supporting structure. This connection type is often employed in applications where ease of installation and flexibility are prioritized. 5. Moment connections: Moment connections are utilized to transfer bending moments between steel angles and the supporting structure. These connections are specifically designed to provide rigidity and stability in applications where high load capacity and resistance to lateral forces are required. 6. Gusset plate connections: Gusset plate connections involve the use of steel plates to connect the steel angles to the supporting structure. These connections provide additional strength and stability and are commonly employed in applications where heavy loads and high stresses are anticipated. It is important to consider various factors, such as the specific application, load requirements, and design considerations when selecting the appropriate connection type. Consulting with a structural engineer or a professional in steel construction is recommended to ensure the suitability of the chosen connection type for a specific project.

Q: What are the typical lifespan and durability of steel angles?: The typical lifespan and durability of steel angles can vary depending on various factors such as the quality of the steel, the environment in which they are used, and the level of maintenance they receive. However, steel angles are known for their excellent durability and long lifespan. In general, steel angles are designed to withstand heavy loads and provide structural support in various construction and industrial applications. They are commonly made from carbon steel or stainless steel, both of which are known for their strength and resistance to corrosion. When properly maintained and protected against corrosion, steel angles can last for several decades without significant deterioration. Regular maintenance practices such as cleaning, painting, and applying protective coatings can help extend their lifespan even further. The durability of steel angles is also influenced by the environment in which they are installed. In harsh environments with high levels of moisture, extreme temperatures, or exposure to chemicals, the lifespan may be shorter. However, proper corrosion protection measures can mitigate these effects and ensure a longer lifespan. It is worth noting that steel angles used in marine or offshore applications may have a shorter lifespan compared to those used in less corrosive environments. This is due to the constant exposure to saltwater and harsh weather conditions, which can accelerate corrosion. In summary, steel angles are known for their durability and can have a long lifespan if properly maintained and protected against corrosion. However, the specific lifespan can vary depending on factors such as the quality of the steel, environmental conditions, and maintenance practices.

Q: How do steel angles contribute to LEED certification?: Steel angles can contribute to LEED certification in several ways. Firstly, they are often made from recycled steel, which helps to reduce the demand for new raw materials and minimize the environmental impact of manufacturing. Additionally, steel angles can be used in structural systems that support energy-efficient designs, such as building frames for renewable energy installations or energy-saving insulation systems. Finally, steel angles are durable and long-lasting, which reduces the need for maintenance and replacement, thus reducing waste and contributing to LEED's focus on sustainable building practices.

Q: How are steel angles welded or joined together?: Steel angles can be welded or joined together using various techniques such as arc welding, MIG welding, or TIG welding. These methods involve melting and fusing the steel angles together to form a strong and durable joint. Additionally, other joining methods like bolting or riveting can also be used to connect steel angles, depending on the specific application and requirements.

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