GB Q235B high quality angle steel 20-250MM

GB Q235B high quality angle steel 20-250MM System 1

GB Q235B high quality angle steel 20-250MM

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Loading Port:: Tianjin

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:	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

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 tolerances for steel angles?: The common tolerances for steel angles vary depending on the specific application and industry standards. However, there are some generally accepted tolerances that are commonly used in the manufacturing and construction industries. For the dimensions of steel angles, the common tolerances are typically ±1/8 inch or ±3mm. This means that the actual dimensions of the angle can deviate by up to 1/8 inch or 3mm from the specified dimensions. These tolerances are usually acceptable for most applications and allow for variations in the manufacturing process. In terms of straightness, steel angles are generally expected to be straight within a certain tolerance. The common straightness tolerance for steel angles is typically specified as a maximum deviation from a straight line over a given length. For example, a common straightness tolerance might be 1/8 inch or 3mm over a 10-foot length. This means that the angle should not deviate more than 1/8 inch or 3mm from a straight line over a 10-foot span. Another important tolerance for steel angles is the squareness or perpendicularity tolerance. This refers to the angle between the two legs of the angle and is typically specified as a maximum deviation from 90 degrees. Common squareness tolerances for steel angles are often ±1 degree or ±0.5 degrees. This means that the angle between the legs should not deviate more than 1 degree or 0.5 degrees from a perfect right angle. It is important to note that these common tolerances are just guidelines and can vary depending on the specific requirements of a project or industry. Additionally, some industries or applications may have more stringent tolerances to ensure precise and accurate angles for their specific needs. Therefore, it is always recommended to consult the relevant standards or specifications for the specific tolerances required for a particular steel angle application.

Q:Can steel angles be used as support beams?: Yes, steel angles can be used as support beams in construction and structural engineering projects. They are commonly used for their strength and load-bearing capabilities, providing stability and support to various structures such as buildings, bridges, and frameworks.

Q:What is the lifespan of steel angles?: The lifespan of steel angles can vary depending on a range of factors including the quality of the steel, the environment in which they are used, and the level of maintenance they receive. Generally speaking, steel angles are known for their durability and longevity, making them a popular choice in construction and structural applications. High-quality steel angles that are properly manufactured and maintained can last for several decades or even longer. However, factors such as exposure to harsh weather conditions, corrosive environments, and lack of maintenance can significantly reduce their lifespan. To maximize the lifespan of steel angles, it is important to choose the appropriate grade of steel for the specific application, ensure proper installation, and regularly inspect and maintain them. This may include measures such as periodically painting or coating the angles to protect them from corrosion, conducting routine inspections to identify any signs of wear or damage, and promptly addressing any issues that arise. In summary, the lifespan of steel angles can vary but with proper care and maintenance, they can last for many years, providing strength and stability to various structures and applications.

Q:What is angle iron?: Widely used in a variety of architectural and engineering structures, such as beams, bridges, towers, hoisting and conveying machinery, ships, industrial furnace, reaction tower, container rack and warehouse shelves, also used to protect column, wall parts easy to hit. Depending on the structure, a variety of different force components are needed, and they can also be used as connecting pieces between components.

Q:Can steel angles be used in seismic applications?: Absolutely, seismic applications can definitely make use of steel angles. Thanks to their exceptional strength and ductility, steel angles are widely utilized in seismic applications. Specifically, they are commonly incorporated into the construction of steel moment frames and bracing systems, which are specifically engineered to counteract the lateral forces brought on by seismic events. In regions that are susceptible to earthquakes, steel angles prove to be particularly advantageous in terms of providing structural support and stability. They can be employed as diagonal braces, gusset plates, or stiffeners to enhance the seismic performance of buildings and other structures. Moreover, steel angles boast the added benefit of being easily fabricated and installed, making them an economical choice for seismic applications.

Q:Can steel angles be used for manufacturing bike racks?: Certainly! Bike racks can indeed be manufactured using steel angles. These angles offer both strength and durability, making them ideal for supporting the weight of numerous bicycles. Moreover, steel angles can be effortlessly welded or bolted together to construct a robust frame for the bike rack. The adaptability of steel angles enables customization and design flexibility, allowing for the accommodation of various bicycle types and sizes. Furthermore, steel angles possess the ability to withstand outdoor conditions and are resistant to rust and corrosion, ensuring the bike rack's longevity. In conclusion, steel angles are a dependable and pragmatic option for bike rack manufacturing.

Q:How do you protect steel angles from moisture?: There are several measures you can take to protect steel angles from moisture: 1. Applying a protective coating is a highly effective method. By using paint or primer, you create a barrier that prevents direct contact between the steel and moisture, thus avoiding potential corrosion. 2. Another option is galvanization. This involves coating the steel angles with a layer of zinc, which provides excellent protection against moisture. This process creates a sacrificial layer that corrodes before the steel, extending its lifespan. 3. Implementing proper drainage systems is crucial. By installing gutters, downspouts, or using sloping surfaces, you can ensure water does not accumulate around the steel angles, preventing prolonged exposure to moisture. 4. Regular inspection and maintenance are essential. Keep an eye out for signs of moisture buildup, rust, or damage on the steel angles. Take immediate action by cleaning, repairing, or applying additional protective coatings to prevent moisture from seeping in. 5. Consider using moisture-absorbing materials such as desiccants or silica gel packs in the vicinity of steel angles. These materials help reduce humidity levels and prevent moisture buildup. 6. If the steel angles are located in an enclosed space, controlling humidity levels is crucial. Ensure proper ventilation and use dehumidifiers or fans to reduce moisture and prevent condensation on the steel surfaces. By following these preventive measures, you can effectively safeguard steel angles from moisture, increasing their lifespan and preventing corrosion.

Q:What is the process of punching holes in steel angles?: The process of punching holes in steel angles involves several steps. First, the steel angle is measured and marked according to the desired hole placement. This is typically done using a measuring tape and a marker or scribe. Once the markings are made, the steel angle is clamped securely onto a work table or a specialized punching machine. This ensures that the angle remains stable during the hole punching process. Next, a punch and die set specifically designed for steel angles is selected. The punch is the tool that creates the hole, while the die supports the material and helps to produce clean and accurate holes. The punch and die set is aligned with the marked location on the steel angle. This is done by positioning the punch directly above the desired hole and ensuring that it is centered and level. The die is placed underneath the angle to provide support. Using a hydraulic or mechanical press, pressure is applied to the punch. This causes it to penetrate through the steel angle, creating a hole. The force applied depends on the thickness and hardness of the steel angle, as well as the size of the hole being punched. After the hole is punched, the punch and die set is removed from the steel angle. The angle is then inspected to ensure that the hole is clean and free from any burrs or deformations. If necessary, any imperfections can be smoothed out using a deburring tool or sandpaper. Overall, the process of punching holes in steel angles requires careful measurement, marking, clamping, alignment, and the use of specialized tools. It is important to follow proper safety procedures and use appropriate protective equipment, such as gloves and goggles, to prevent injury during the process.

Q:How do steel angles contribute to the overall safety of a building?: Steel angles, also known as angle irons, play a crucial role in enhancing the overall safety of a building. These structural components are widely used in construction due to their unique properties and benefits. Firstly, steel angles provide structural support and stability to a building. They are commonly used to reinforce and strengthen the framework of a structure, particularly at key load-bearing points. By distributing and transferring the weight and forces, steel angles help prevent excessive deflection or deformation of the building, ensuring its integrity and stability even under heavy loads or adverse conditions. This reinforcement is especially important in high-rise buildings or structures located in regions prone to earthquakes or strong winds. Additionally, steel angles contribute to the safety of a building by acting as a barrier or shield against potential hazards. For example, they can be installed as protective guards or handrails on staircases, balconies, or elevated platforms. These barriers help prevent accidental falls or injuries, providing a secure environment for occupants. Steel angles can also be used to create safety barriers around machinery or equipment, preventing unauthorized access or accidental contact. Moreover, steel angles enhance fire resistance in buildings. Steel is inherently fire-resistant and does not contribute to the spread of flames. By incorporating steel angles into the building's structural design, fire-rated walls, partitions, or fireproof doors can be effectively supported. This helps to compartmentalize a building, slowing down the spread of fire and allowing occupants more time to evacuate safely. Furthermore, steel angles offer longevity and durability, making them an ideal choice for long-term safety. Steel is highly resistant to corrosion, weathering, and other environmental factors, ensuring the structural integrity of the building over time. This durability reduces the risk of sudden structural failures or collapses, enhancing the overall safety for occupants and nearby structures. In conclusion, steel angles play a significant role in enhancing the overall safety of a building. Their ability to provide structural support, act as barriers, enhance fire resistance, and offer durability make them crucial components for ensuring the stability and protection of a structure and its occupants.

Q:What are the different finishes available for steel angles?: There are several different finishes available for steel angles, including hot-dip galvanized, mill finish, painted, and powder coated.

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