Rectangular Hollow Section Q345

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Product Name	rectangular hollow section/ RHS
Size	Size:	1010--500500mm
	Thickness:	0.45--16mm
	Length:	3-12m
Steel Grade	Q195,Q215,Q235,Q345,16Mn, 20#
Standard	ASTM A500,EN10219,GB/T6728,GB/T6725,JIS G3466
Usage	1. For Structure, Airport, Railway 2. Construction and so on.
Ends	Plain end or By Your Choice
Surface	Bared Or With Oiled Or Galvanized
Technique	ERW ,Hot Rolled and Cold Rolled
Section Shape	Rectangular
Inspection	With Hydraulic Testing, Eddy Current , Infrared Test
Package	Bags, Bundle, In Bulk, Containers
MOQ	20 Metric Ton / Can Be Negotiated
Supply Ability	15,000 Metric Ton/Month
Date of Delivery	7 days(Qty within 1000 Metric Ton) or According To The Quantity
Port of Shipment	Tianjin, China
Payment	L/C T/T

Q:Can steel pipes be used for the construction of dams?: Yes, steel pipes can be used for the construction of dams. Steel pipes are often used in dam construction for various purposes such as water intake and outlet structures, penstocks, and spillway gates. They offer durability, strength, and resistance to corrosion, making them suitable for withstanding the high pressures and harsh environments associated with dam construction.

Q:How do you join steel pipes together?: Steel pipes can be joined together using various methods, including welding, threaded connections, flanges, and mechanical couplings. The most common method is welding, where the ends of the pipes are heated and fused together using a welding electrode. Threaded connections involve screwing the pipes together using male and female threads. Flanges are used for larger pipes and involve bolting two flanges together with a gasket in between. Mechanical couplings use compression or clamping mechanisms to connect pipes without the need for welding or threading.

Q:Can steel pipes be used for steam applications?: Yes, steel pipes can be used for steam applications. Steel pipes are known for their high strength and durability, making them suitable for carrying steam at high temperatures and pressures. They are resistant to corrosion and can withstand the harsh conditions of steam systems, making them a popular choice in various industries such as power generation, oil and gas, and chemical processing.

Q:What are the specific differences between flexible pipes and rigid pipes?: From the model:Rigid waterproof sleeve: A, B and C, A type, suitable for steel pipe, B, suitable for cast iron pipe and ductile iron pipe;Flexible waterproof bushings: A and B, A used in the internal walls of buildings, B used in the exterior walls of buildings.In use:

Q:How are steel pipes marked for identification and traceability?: Steel pipes are marked for identification and traceability through various methods. One common method is through the use of permanent markers or paint. These marks typically include important information such as the manufacturer's name or logo, the pipe's size and specifications, and the production date or batch number. In addition to surface marking, steel pipes may also be identified using tags or labels. These tags are usually made of durable materials such as metal or plastic and are securely attached to the pipe. They contain detailed information about the pipe, including its unique identification number, material composition, and any relevant certifications or standards it meets. Another method used for identification and traceability is the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, providing instant access to comprehensive information about the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated way of tracking and tracing steel pipes throughout their lifecycle. Furthermore, some steel pipes may have embossed or engraved markings directly on their surface. These markings are typically indented into the metal and can withstand harsh conditions, ensuring long-term visibility and legibility. The goal of marking steel pipes is to ensure their proper identification and traceability throughout their lifecycle. This helps in quality control, maintenance, and inspection processes, as well as in ensuring compliance with regulatory requirements. By having clear and permanent markings, manufacturers, suppliers, and users can easily track and trace the history and specifications of steel pipes, enabling better management and accountability in various industries such as construction, oil and gas, and infrastructure development.

Q:What is PE coated steel pipe? Seek explanation: PE coating on the inner wall of steel pipe steel pipe is covered with a layer of polyethylene plastic polymer, PE, polyethylene (Polyethylene of raised temperature is the abbreviation of resistance English), the scope of application of the general PE pipe water supply pipe to a temperature below 40 DEG C, cannot be used for hot water transmission pipeline.

Q:Can steel pipes be used for underground power transmission?: Indeed, underground power transmission can make use of steel pipes. Due to their resilience, robustness, and resistance to corrosion, steel pipes are extensively employed in underground power transmission systems. These pipes serve as a safeguarding enclosure for power cables, guaranteeing their security and shielding them from potential harm caused by external elements like moisture, soil movements, and potential impacts. Moreover, the use of steel pipes facilitates easy installation, maintenance, and repair of the power transmission system. Additionally, their ability to withstand high pressure and temperature renders them suitable for conveying the high voltage electricity essential for power transmission. All in all, steel pipes are a dependable and effective choice for underground power transmission.

Q:What is the difference between steel pipes and PVC-O pipes?: The main difference between steel pipes and PVC-O pipes is the material they are made of. Steel pipes are made of metal, specifically steel, which gives them high strength and durability. On the other hand, PVC-O pipes are made of a type of plastic called polyvinyl chloride, which is reinforced with oriented molecules, making them extremely strong and resistant to both internal and external pressures. Additionally, steel pipes are prone to corrosion, while PVC-O pipes are resistant to rust and chemical degradation. PVC-O pipes are also lighter and easier to handle and install compared to steel pipes.

Q:What are the different methods of welding steel pipes?: There are several different methods of welding steel pipes, including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW). Each method has its own advantages and is suitable for different applications and pipe sizes.

Q:How are steel pipes used in the construction of airports?: Steel pipes are commonly used in the construction of airports for various purposes such as the installation of water and sewage systems, electrical conduits, and heating and cooling systems. They are also used as structural elements for supporting canopies, walkways, and other infrastructure, providing durability and stability to the airport's overall construction.

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