angle steel

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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

Angle Steel

Q: How do you calculate the moment of inertia for a steel angle?: In order to determine the moment of inertia of a steel angle, it is necessary to have knowledge of the angle's dimensions and shape. The moment of inertia measures an object's resistance to rotational changes and is influenced by the distribution of mass and the distance between the object's mass and the axis of rotation. For a steel angle, the moment of inertia can be computed using the parallel axis theorem, which states that the moment of inertia around an axis parallel to the original axis is equal to the sum of the moment of inertia around the original axis and the product of the mass and the square of the distance between the two axes. To calculate the moment of inertia for a steel angle, the following steps can be followed: 1. Obtain the measurements of the steel angle, including its length, width, and thickness. 2. Determine the angle's area by multiplying the length by the thickness. 3. Identify the centroid of the angle, which is the point where the mass is evenly distributed. For a symmetrical angle, the centroid is located at the intersection of the two legs. For an asymmetrical angle, the centroid can be determined by utilizing the geometric properties of the shape. 4. Compute the moment of inertia around the centroid axis using the formula for a rectangle: I = (1/12) * width * thickness^3. This calculation assumes that the angle is a thin-walled section. 5. Calculate the distance between the centroid axis and the axis for which the moment of inertia is desired. This can be accomplished by measuring the perpendicular distance between the two axes. 6. Apply the parallel axis theorem to determine the moment of inertia around the desired axis. The formula is: I_total = I_centroid + mass * distance^2. By following these steps, it is possible to calculate the moment of inertia for a steel angle. However, it should be noted that these calculations are based on a simplified model of the angle and may not provide accurate results for complex or irregular shapes.

Q: Can steel angles be used in the construction of airport terminals?: Airport terminals can indeed utilize steel angles in their construction. These angles are frequently employed in the field of construction due to their robustness, longevity, and adaptability. They are commonly incorporated into frameworks, supports, and bracing systems. In the construction of airport terminals specifically, steel angles can serve various purposes, including bolstering structural beams, framing windows and doors, constructing partitions, and fortifying walls and columns. Furthermore, steel angles can be easily joined together through welding, bolting, or fastening, allowing for efficient construction and flexibility in design. All in all, steel angles offer a dependable and cost-effective option for the construction of airport terminals.

Q: What is the meaning of the number of angle steel: The model does not mean the size of the different edges and sizes of the same model. Therefore, the width, the edge and the thickness of the angle iron should be filled out in the contract and other documents, so as not to be indicated by the model alone. The specification for hot rolled equilateral angle iron is No. 2 - 20.

Q: What is the weight of a standard steel angle?: The weight of a standard steel angle can vary depending on its size and thickness. However, in general, a standard steel angle weighs approximately 2.5 pounds per foot (or 3.3 kilograms per meter). This weight is based on a standard steel angle with equal legs and a thickness of 1/4 inch (or 6.35 millimeters). It is important to note that the weight may differ slightly based on the specific dimensions and specifications of the steel angle being used.

Q: Are there any industry standards or certifications for steel angles?: Yes, there are industry standards and certifications for steel angles. The American Society for Testing and Materials (ASTM) has established standards such as ASTM A36/A36M, ASTM A572/A572M, and ASTM A588/A588M, which outline the requirements for the composition, mechanical properties, and dimensions of steel angles. Additionally, various certification bodies, such as ISO (International Organization for Standardization) and the American Institute of Steel Construction (AISC), provide certifications to ensure quality and compliance with industry standards.

Q: Are steel angles suitable for scaffolding?: Yes, steel angles are suitable for scaffolding. Steel angles are strong and durable, making them an ideal choice for supporting heavy loads and providing stability on construction sites. They can be easily connected and assembled to create a stable framework for workers to access higher levels during construction or maintenance tasks. Additionally, steel angles are versatile, allowing for various configurations and adjustments to accommodate different project requirements. Overall, steel angles are a reliable and commonly used component in scaffolding systems.

Q: Can steel angles be welded or joined together?: Yes, steel angles can be welded or joined together. Welding or joining steel angles typically involves using welding techniques such as arc welding, MIG welding, or TIG welding to fuse the angles together at their connecting edges. This process creates a strong and reliable joint that allows for the structural integrity and stability of the steel angles to be maintained.

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: Can steel angles be used for framing or supporting partitions?: Yes, steel angles can be used for framing or supporting partitions. Steel angles are commonly used in construction due to their strength and durability. They provide excellent support and stability, making them suitable for framing or supporting partitions in various structures.

Q: Can steel angles be used in decorative or architectural applications?: Yes, steel angles can be used in decorative or architectural applications. They provide structural support while also adding a modern and industrial aesthetic to the design. Steel angles can be used to create features like exposed beams, decorative trims, and ornamental structures, making them versatile for various architectural and decorative purposes.

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