Seamless steel pipe ASTM A106/API 5L/ASTM A53 grade B high quality

Seamless steel pipe ASTM A106/API 5L/ASTM A53 grade B high quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 5000 m.t./month

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Seamless pipe API,GB,ASTM,ASME,DIN high quality

America Standard A53 Q215 150g Hot Dipped or Pre-galvanized Pipe

1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension:

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD +1%/-1%

WT +12.5%/-10%

12. Chemical composition:

Models of Steel Pipes	Chemical Component
Steel 20 (ASTM A106B)	C	Si	Mn	P	S	Cu	Ni	Cr
Steel 20 (ASTM A106B)	0.17~0.24	0.17~0.37	0.35~0.65	0.035max	0.035max	0.25max	0.25max	0.25max
Steel45 (ASTM 1045)	0.42~0.50	0.17~0.37	0.50~0.80	0.035max	0.035max	0.25max	0.25max	0.25max
16Mn(Q345B)	0.12~0.20	0.20~0.55	1.20~1.60	0.035max	0.035max	0.25max	0.25max	0.25max
45Mn2 ( ASTM1345)	0.42~0.49	0.17~0.37	1.40~1.80	0.035max	0.035max	0.3max	0.3max	0.30max

Q: What are the different end finishes available for steel pipes?: Steel pipes have various end finishes available, depending on the specific application and requirements. Some common options include: 1. Plain End: The simplest and most common type, where the pipe ends are cut square without any additional treatment or threading. 2. Beveled End: This involves an angled cut at the end of the pipe, typically at a 30-degree angle. It facilitates better welding and ensures a seamless transition between pipes. 3. Threaded End: These ends are useful for connecting pipes with other components using threaded fittings. The pipe ends are cut with external threads, allowing for easy assembly and disassembly. 4. Coupling End: Similar to threaded ends, coupling ends have internal threads. This enables pipes to be connected using couplings or connectors. 5. Grooved End: This type is commonly used in fire protection systems or other applications that require quick and easy installation. The pipe ends are grooved, and a coupling is used to connect and secure the pipes. 6. Flanged End: Flanged ends have a flat, wide surface with holes for bolts. They are used when the pipe needs to be connected to other components using flanges, such as in piping systems or equipment connections. Each of these end finishes serves a specific purpose and is chosen based on the application's requirements. The selection depends on factors like the desired type of connection, intended use of the pipe, and the applicable industry standards and regulations.

Q: Can steel pipes be used for the construction of offshore wind farms?: Yes, steel pipes can be used for the construction of offshore wind farms. Steel pipes are commonly used for the installation of offshore wind turbines, as they provide structural support for the foundations and turbine structures. These pipes are designed to withstand harsh marine conditions, such as strong waves and corrosive saltwater. Additionally, steel pipes are durable and can be easily transported and installed in deep waters, making them a reliable choice for offshore wind farm construction.

Q: What is the role of steel pipes in sewage systems?: The role of steel pipes in sewage systems is to provide a durable and reliable means of transporting wastewater and sewage from homes, businesses, and other sources to treatment plants or disposal sites. Steel pipes are known for their strength, corrosion resistance, and longevity, making them suitable for withstanding the harsh and corrosive nature of sewage. They are capable of handling high-pressure flows and can withstand the weight and pressure of the surrounding soil. Additionally, steel pipes are often used in larger diameter applications due to their ability to carry larger volumes of sewage efficiently.

Q: Can steel pipes be used for conveying corrosive substances?: Steel pipes can be used for conveying corrosive substances, but it is important to choose the right type of steel and consider additional protective measures. Stainless steel pipes, for example, are highly resistant to corrosion and can handle a wide range of corrosive substances. However, it is crucial to consider the specific corrosive properties of the substance being conveyed and the concentration levels. In some cases, additional protective coatings or linings may be necessary to prevent corrosion and ensure the longevity of the steel pipes. Regular maintenance and inspection are also essential to detect and address any signs of corrosion to prevent leaks or failures in the piping system. Overall, steel pipes can be used for conveying corrosive substances, but proper material selection, protective measures, and maintenance are vital to ensure safe and efficient operations.

Q: How do steel pipes handle abrasive materials?: Steel pipes are highly resistant to abrasive materials due to their strong and durable nature. The smooth interior surface of steel pipes minimizes friction and wear caused by abrasive materials, making them an ideal choice for handling such substances.

Q: How are steel pipes used in the construction of railway tracks?: Steel pipes are commonly used in the construction of railway tracks as they provide a durable and reliable foundation. These pipes are used as support structures for the rails, helping to distribute the weight of the trains and ensure stability. They are also used for drainage purposes, allowing water to flow away from the tracks and preventing damage. Overall, steel pipes play a crucial role in the construction of railway tracks by providing strength, stability, and drainage capabilities.

Q: What are the common maintenance practices for steel pipes?: The common maintenance practices for steel pipes include regular inspections for signs of corrosion or damage, cleaning and removing any debris or obstructions, applying protective coatings to prevent rust and corrosion, and conducting periodic leak tests to ensure the integrity of the pipes. Additionally, proper handling and storage procedures should be followed to prevent any physical damage or contamination.

Q: Can steel pipes be used for underground gas storage?: Certainly! Underground gas storage can indeed utilize steel pipes. Steel pipes are frequently employed in the transportation and storage of diverse gas varieties, such as natural gas, owing to their robustness, longevity, and ability to resist corrosion. These pipes can endure substantial pressures and can be tailored to meet the specific prerequisites of subterranean gas storage installations. Furthermore, materials can be applied to the surfaces of steel pipes, either as a coating or lining, to bolster their resistance to corrosion and avert any possible leaks. Nevertheless, it is crucial to ensure that the correct safety protocols and regulations are adhered to during the construction and operation of underground gas storage facilities to prevent any potential perils or hazards.

Q: What are the safety precautions when working with steel pipes?: When working with steel pipes, it is important to follow safety precautions to minimize the risk of accidents and injuries. Some key safety measures include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against cuts, burns, and falling objects. It is crucial to use proper lifting techniques or equipment when handling heavy steel pipes to avoid strains or back injuries. Additionally, workers should be cautious of potential hazards such as sharp edges, welding sparks, or exposure to hazardous materials. Regular inspection and maintenance of equipment and tools is necessary to ensure their safe operation. Proper training, awareness of surroundings, and adherence to safety protocols are essential for a secure working environment when dealing with steel pipes.

Q: How do you remove rust from steel pipes?: To remove rust from steel pipes, there are several methods you can try: 1. Use a wire brush or steel wool: Start by scrubbing the rusted areas with a wire brush or steel wool. This will help remove loose rust and flakes from the surface of the pipes. 2. Apply vinegar or lemon juice: Soak a cloth or sponge in white vinegar or lemon juice and apply it to the rusted areas. Let it sit for a few hours or overnight. The acidic properties of these substances can help dissolve the rust. 3. Use a rust remover or converter: There are various rust remover products available in the market. Follow the instructions on the product and apply it to the rusted areas. These solutions typically convert rust into a water-soluble compound that can be easily rinsed off. 4. Apply a paste of baking soda and water: Mix baking soda with water to create a thick paste. Apply the paste to the rusted areas and let it sit for a few hours. Scrub the area using a brush or steel wool, and then rinse it off. 5. Try using a commercial rust dissolver: If the above methods don't yield satisfactory results, you can consider using a commercial rust dissolver. These products are specifically designed to remove rust from various surfaces, including steel pipes. Follow the instructions provided by the manufacturer. Remember to wear protective gloves, goggles, and a mask when working with rust removal products, as they can be corrosive or release toxic fumes. Additionally, after removing rust, it is advisable to apply a rust-inhibiting primer or paint to prevent future rusting.

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