SPIRAL STEEL PIPE 50‘‘ ASTM API LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 m.t./month
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Packaging & Delivery
Packaging Detail: | standard export packing or as customer's requirement |
Delivery Detail: | within 10 - 30 days |
Specifications
Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm
Spiral Welded Steel Pipes and Tubes
Product Description:
1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100
2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672
3.Wall thickness: 3.0mm-30mm
4.Outer diameter: φ168mm-3020mm
5,Length: 5m-12m or as your requirement
6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002
7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc
Q195-q345 Material Steel Pipe's Materials
Elements | Chemical Compsition% | Mechanical Property | ||||||
C% | Mn% | S% | P% | Si% | Yield Point (Mpa) | Tensile Strength(Mpa) | Elongation | |
Q195 | 0.06-0.12 | 0.25-0.50 | <0.050< span=""> | <0.045< span=""> | <0.030< span=""> | >195 | 315-430 | 32-33 |
Q215 | 0.09-0.15 | 0.25-0.55 | <0.05< span=""> | <0.045< span=""> | <0.030< span=""> | >215 | 335-450 | 26-31 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045< span=""> | <0.045< span=""> | <0.030< span=""> | >235 | 375-500 | 24-26 |
Q345 | <0.20< span=""> | 1.0-1.6 | <0.040< span=""> | <0.040< span=""> | <0.55< span=""> | >345 | 470-630 | 21-22 |
- Q: How are steel pipes used in the manufacturing of automobiles?
- Steel pipes are commonly used in the manufacturing of automobiles due to their strength, durability, and versatility. They are used in various applications throughout the automobile manufacturing process. One of the main uses of steel pipes in automobiles is for the construction of the vehicle's chassis and body. Steel pipes are often used as structural components to provide strength and rigidity to the vehicle. They can be bent, shaped, and welded to form the desired structure, making them an ideal choice for automotive applications. Steel pipes are also used in the exhaust system of automobiles. The exhaust system is responsible for guiding and directing the exhaust gases away from the engine. Steel pipes are used to create the exhaust manifold, which collects the gases from the engine's cylinders, as well as the exhaust pipes and mufflers. The high temperature resistance and corrosion resistance of steel make it suitable for withstanding the harsh conditions of the exhaust system. In addition, steel pipes are used in the cooling system of automobiles. They are used to transport coolant from the engine to the radiator and back, helping to regulate the engine's temperature. Steel pipes are preferred for this application due to their ability to handle high pressure and temperature, as well as their resistance to corrosion and chemical damage. Moreover, steel pipes are used in the fuel system of automobiles. They are used to transport fuel from the tank to the engine, ensuring a steady and reliable supply of fuel. Steel pipes are chosen for this application because they are resistant to corrosion and can handle the high pressure and temperature associated with fuel transportation. In summary, steel pipes are essential in the manufacturing of automobiles. They are used in the construction of the chassis and body, the exhaust system, the cooling system, and the fuel system. Their strength, durability, and versatility make them a preferred choice for automotive applications.
- Q: How are steel pipes used in the manufacturing of heat exchangers?
- Steel pipes are commonly used in the manufacturing of heat exchangers due to their excellent heat transfer properties and durability. They are utilized as the main components for carrying and transferring hot or cold fluids within the heat exchanger system. The steel pipes ensure efficient heat exchange by providing a smooth and continuous flow of the fluid, while also withstanding high temperatures and pressures. Additionally, steel pipes are often preferred for their corrosion resistance, making them suitable for various industrial applications requiring reliable and long-lasting heat exchangers.
- Q: How are steel pipes used in the construction of offshore oil rigs?
- Steel pipes are commonly used in the construction of offshore oil rigs for various purposes. They are primarily utilized for drilling operations, transporting oil and gas from the seabed to the surface, and for the installation of pipelines and risers. These pipes are known for their strength, durability, and ability to withstand harsh offshore environments, making them an essential component in ensuring the safe and efficient extraction of oil and gas from deep-sea reserves.
- Q: What is the difference between seamless steel pipes and seamless stainless steel pipes?
- The main difference between seamless steel pipes and seamless stainless steel pipes lies in their composition. Seamless steel pipes are made from carbon steel, which contains mainly iron and carbon. On the other hand, seamless stainless steel pipes are made from an alloy of iron, chromium, and other elements like nickel and molybdenum. The addition of these elements in stainless steel pipes provides enhanced corrosion resistance, making them suitable for applications where corrosion is a concern. Additionally, stainless steel pipes typically have a higher tensile strength and better heat resistance compared to regular steel pipes.
- Q: What are the common fittings and accessories used with steel pipes?
- There are several common fittings and accessories used with steel pipes in various applications. These fittings and accessories are essential for connecting, redirecting, controlling, and supporting the flow of fluids or gases through the pipe system. One of the most commonly used fittings is the steel pipe elbow, which allows for a change in direction of the pipe. Elbows are available in different angles, such as 45 degrees or 90 degrees, to accommodate specific piping needs. They are used to prevent sharp bends that could cause flow restrictions or pressure drops. Another common fitting is the steel pipe tee, which has three openings in the shape of a "T". Tees are used to create branch connections to redirect the flow of fluids or gases into multiple directions simultaneously. Steel pipe reducers are fittings used to connect pipes of different sizes. They come in two types, concentric reducers and eccentric reducers. Concentric reducers have a symmetrical design and allow for a smooth transition between pipes of different diameters. Eccentric reducers, on the other hand, have an offset design and are used when there is a need to align pipes at different levels. Couplings are fittings used to join two pipes together. They come in different types, such as threaded or socket weld couplings, and provide a secure and leak-proof connection between pipes. Flanges are another common accessory used with steel pipes. They are flat, round plates with holes in the center that allow for the connection of pipes, valves, or other equipment. Flanges are typically used in applications that require easy access for inspection, cleaning, or maintenance. Other common fittings and accessories include steel pipe caps, which are used to seal the ends of pipes, and steel pipe nipples, which are short lengths of pipe used to extend or connect two fittings. It is important to note that the selection of fittings and accessories for steel pipes depends on the specific application, such as the type of fluid or gas being transported, the pressure and temperature requirements, and the overall system design. Consulting with a professional or referring to industry standards is recommended to ensure the correct fittings and accessories are chosen for a particular steel pipe system.
- Q: What are the different threading options for steel pipes?
- The different threading options for steel pipes include tapered pipe threads (NPT/NPTF), straight pipe threads (NPS/NPSM), and mechanical threads (such as API threads). These threading options provide different levels of sealability, compatibility, and ease of installation, allowing for a variety of applications and connections.
- Q: Can steel pipes be used for irrigation systems?
- Yes, steel pipes can be used for irrigation systems. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for use in irrigation systems where they may be exposed to water and various environmental conditions. Additionally, steel pipes can handle high water pressure and are available in different sizes, allowing for efficient water distribution throughout the irrigation system.
- Q: What is the difference between hot-dipped galvanized and electro-galvanized steel pipes?
- Hot-dipped galvanized steel pipes are coated with a thick layer of zinc by immersing them in a bath of molten zinc, creating a durable and corrosion-resistant coating. On the other hand, electro-galvanized steel pipes are coated with a thinner layer of zinc through an electroplating process, offering a more economical and aesthetically pleasing option.
- Q: How are steel pipes protected from damage during transportation?
- Steel pipes are protected from damage during transportation through various methods. One common method is the use of protective coatings. Steel pipes are often coated with materials such as epoxy, zinc, or polyethylene to create a barrier between the pipe and external elements. These coatings help to prevent corrosion and damage during transit. Furthermore, steel pipes are often bundled together and secured using straps or bands. This bundling helps to keep the pipes in place and prevents them from shifting or rolling during transportation. Additionally, padding or cushioning materials such as foam or rubber may be used to provide extra protection and minimize the risk of damage from impact or vibration. In some cases, steel pipes may be placed in crates or containers to provide additional protection. Crates are designed to fit the pipes snugly and provide a secure enclosure that prevents external forces from causing damage. Containers, on the other hand, offer a protective environment for the pipes, shielding them from the elements and potential impacts. To ensure the safe transportation of steel pipes, it is also important to consider proper handling and loading techniques. Pipes should be carefully lifted and loaded onto transport vehicles using appropriate equipment, such as cranes or forklifts, to minimize the risk of damage. Proper securing of the pipes within the transport vehicle is crucial to prevent movement and potential damage during transit. Overall, a combination of protective coatings, bundling, padding, and secure packaging or loading techniques are employed to safeguard steel pipes from damage during transportation. These measures help to ensure that the pipes arrive at their destination in optimal condition, ready for use in various applications.
- Q: Can steel pipes be used for underground water wells?
- Yes, steel pipes can be used for underground water wells. Steel pipes are commonly used for drilling water wells due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated and protected to prevent any contamination of the underground water source.
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SPIRAL STEEL PIPE 50‘‘ ASTM API LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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