Casing and Petroleum Tubing seamless steel pipes
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service. Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. As the facture process does not include any welding, seamless pipes are considered to be stronger and more durable. Generally speaking, seamless pipe has better pressure resistance and security than other classifications, and was usually more easily available than welded pipe.
2、Main Features of the Seamless Pipe:
• High working accuracy
• High strength
• Small inertia resistance
• Strong therming dissipine ability
• Good appearance
• Reasonble price
3、Seamless Pipe Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
2) Specification range: OD: 21.3-610mm, WT:6-70mm, length:6-12m or according to the requirement of clients.
3) Executive standards: GB, ASME API5L.ASTM A 106/A53,Despite of the above standards, we can also supply seamless steel pipe with standard of DIN, JIS, and so on, and also develop new products according to the requirements of our clients!
4) Surface: black lacquered, varnish coating or galvanized.
5) Ends: Beveled or square cut, plastic capped, painted.
6) Packing: bundles wrapped with strong steel strip, seaworthy packing.
4、Packaging & Delivery:
Packaging Details: | seaworthy package, bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Seamless Pipe:
①How is the quality of your products?
We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
6、Seamless Pipe Images：
- Q: Are steel pipes suitable for underground mining operations?
- Yes, steel pipes are suitable for underground mining operations. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for use in harsh underground mining environments. They can withstand high pressure and are capable of transporting various substances, such as water, air, or mining materials, with reliability and efficiency. Additionally, steel pipes can be customized to meet specific mining requirements, ensuring their suitability for underground operations.
- Q: What are the advantages of using pre-fabricated steel pipes?
- There are several advantages of using pre-fabricated steel pipes in various applications. Firstly, pre-fabricated steel pipes offer a high level of durability and strength. Steel is known for its robustness and resistance to external forces, making it an ideal material for constructing pipes that need to withstand high pressure or heavy loads. This durability ensures that pre-fabricated steel pipes have a longer lifespan compared to other materials, reducing the need for frequent replacements and maintenance. Secondly, pre-fabricated steel pipes provide excellent corrosion resistance. Steel pipes are often coated with protective layers, such as galvanization or epoxy, which prevent rusting and corrosion. This corrosion resistance is particularly crucial when the pipes are used in industries or environments where they may come into contact with moisture, chemicals, or other corrosive substances. By utilizing pre-fabricated steel pipes, the risk of leaks, deterioration, or failure due to corrosion is significantly reduced. Another advantage of pre-fabricated steel pipes is their versatility and ease of installation. These pipes are manufactured to precise specifications before being delivered to the site, allowing for quick and efficient installation. Their modular nature means that they can be easily assembled, disassembled, and reconfigured as needed, making them suitable for a wide range of applications, from industrial settings to residential construction. Moreover, pre-fabricated steel pipes can be easily integrated with other building components, such as fittings, valves, and connectors, ensuring a seamless connection and reducing installation time and costs. Furthermore, pre-fabricated steel pipes are more environmentally friendly compared to other materials. Steel is a highly recyclable material, and using pre-fabricated pipes reduces the consumption of natural resources and energy required for their production. Additionally, the long lifespan of steel pipes reduces waste generation and the need for frequent replacements, further contributing to sustainability efforts. Lastly, pre-fabricated steel pipes offer cost advantages. While the initial cost of steel pipes may be higher than some other materials, their durability and low maintenance requirements result in long-term cost savings. The reduced need for repairs, replacements, and maintenance, as well as the ease of installation, translates into lower overall project costs and reduced downtime. In summary, the advantages of using pre-fabricated steel pipes include durability, corrosion resistance, versatility, ease of installation, environmental friendliness, and cost-effectiveness. These benefits make pre-fabricated steel pipes a preferred choice for various industries and applications.
- Q: How do you transport steel pipes safely?
- Transporting steel pipes safely requires proper planning, equipment, and adherence to safety measures. Here are some guidelines to ensure the safe transportation of steel pipes: 1. Choose appropriate transportation equipment: Use a flatbed trailer or a truck with a flatbed to transport steel pipes. Ensure that the trailer or truck has a strong and secure tie-down system to prevent the pipes from shifting during transit. 2. Secure the pipes: Use nylon or steel straps to secure the steel pipes to the trailer or truck bed. Make sure the straps are tightened properly, evenly distributing the weight of the pipes and preventing any movement or shifting. 3. Protect the pipes: Use pipe chocks or padding materials such as foam or rubber to prevent the pipes from rolling or rubbing against each other during transportation. This helps to minimize potential damage and maintain the integrity of the pipes. 4. Observe weight limits: Ensure that the weight of the steel pipes being transported does not exceed the load capacity of the transportation equipment. Overloading can lead to instability and compromise safety. 5. Follow road safety regulations: Adhere to all local traffic laws and regulations, including speed limits and securing all necessary permits or licenses for oversized loads if required. Additionally, use hazard warning signs or flags when transporting long or oversized steel pipes to alert other road users. 6. Conduct regular inspections: Before starting the journey, inspect the straps, tie-downs, and other securing mechanisms to ensure they are in good condition. Regularly check the load during transit to ensure it remains secure. 7. Plan the route: Choose a route that is suitable for the size and weight of the steel pipes being transported. Avoid roads with low bridges, narrow lanes, or weight restrictions that may pose a risk to the safe transportation of the pipes. 8. Consider weather conditions: Take into account weather conditions, such as strong winds or heavy rain, which can affect the stability of the load. Adjust the transport plan accordingly or delay the journey if necessary. 9. Train and educate drivers: Ensure that the drivers responsible for transporting steel pipes are well-trained and aware of the proper procedures for securing and transporting the load safely. Regularly update them on safety protocols and any changes in regulations. By following these guidelines, you can transport steel pipes safely, minimizing the risk of accidents, damage to the pipes, and ensuring the safety of everyone involved in the transportation process.
- Q: Can steel pipes be used for the construction of transmission towers?
- Yes, steel pipes can be used for the construction of transmission towers. Steel pipes are known for their strength, durability, and ability to withstand heavy loads and harsh weather conditions, making them an ideal choice for building transmission towers. Steel pipes can provide the necessary support and stability required for high-voltage power transmission lines.
- Q: What is the difference between steel pipes and copper pipes?
- Steel pipes and copper pipes differ in terms of their material composition, with steel pipes being made of steel and copper pipes being made of copper. Steel pipes are generally stronger and more durable, making them suitable for high-pressure applications and underground installations. Copper pipes, on the other hand, have excellent heat conductivity and corrosion resistance, making them ideal for plumbing and heating systems. Additionally, copper pipes are more expensive than steel pipes but offer better resistance to bacteria growth. Ultimately, the choice between steel and copper pipes depends on the specific needs and requirements of the application.
- Q: How are steel pipes used in the construction of stadiums and arenas?
- Steel pipes are commonly used in the construction of stadiums and arenas for various purposes such as structural support, plumbing, and HVAC systems. They provide a strong and durable framework for the building, allowing for large spans and open spaces. Additionally, steel pipes are used for the distribution of water, gas, and waste, as well as for ventilation and air conditioning systems. Overall, steel pipes play a crucial role in ensuring the safety, functionality, and longevity of stadiums and arenas.
- Q: How are steel pipes coated to prevent internal corrosion?
- Steel pipes are coated to prevent internal corrosion through a process called internal coating. This involves applying a protective layer of epoxy or polyethylene coating on the inner surface of the pipes. This coating acts as a barrier between the steel surface and the fluid being transported, preventing the corrosive elements from coming into direct contact with the steel and reducing the risk of internal corrosion.
- Q: What is the maximum length of a steel pipe?
- The maximum length of a steel pipe will vary depending on various factors such as manufacturing capabilities, transportation limitations, and practical considerations. However, in general, steel pipes can typically be manufactured and transported in lengths ranging from a few meters to several hundred meters.
- Q: How are steel pipes used in the manufacturing of irrigation systems?
- Steel pipes are commonly used in the manufacturing of irrigation systems as they provide durability, strength, and resistance to corrosion. These pipes are used to connect various components of the irrigation system, such as pumps, filters, valves, and sprinklers. They ensure the efficient flow of water, withstand high pressure, and can be easily customized to fit the specific requirements of the irrigation system.
- Q: How do you calculate the pipe friction loss coefficient for steel pipes?
- To determine the pipe friction loss coefficient for steel pipes, it is necessary to take into account several factors. One commonly used approach is the utilization of the Darcy-Weisbach equation, which establishes a relationship between the frictional head loss in a pipe and the flow rate, pipe diameter, pipe length, fluid properties, and the pipe roughness coefficient. The Darcy-Weisbach equation can be presented as follows: The head loss due to friction, denoted as hf, can be calculated using the formula (f * L * V^2) / (2 * g * D), where: - f represents the pipe friction factor, - L corresponds to the pipe length, - V denotes the fluid velocity, - g symbolizes the acceleration due to gravity, and - D represents the pipe diameter. Determining the pipe friction factor, f, is crucial. For steel pipes, this factor relies on the pipe roughness coefficient, which indicates the relative roughness of the pipe. The relative roughness is determined by dividing the absolute roughness of the pipe surface by the pipe diameter. The pipe roughness coefficient can be obtained from different sources, including manufacturer specifications, engineering handbooks, or experimental data. It is imperative to ensure that the roughness coefficient used aligns with the specific type and condition of the steel pipe under analysis. Once the pipe roughness coefficient is obtained, it can be employed to calculate the pipe friction factor through empirical correlations or charts. These correlations often involve the Reynolds number, a dimensionless quantity that characterizes the flow regime. By substituting the determined pipe friction factor into the Darcy-Weisbach equation, it becomes possible to calculate the head loss due to friction for steel pipes. This value is indispensable in the design of piping systems, determination of pump requirements, or estimation of energy consumption in fluid flow applications.
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Casing and Petroleum Tubing seamless steel pipes
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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