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
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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:Can steel pipes be used for LNG terminals?
- Yes, steel pipes can be used for LNG terminals. Steel pipes are commonly used in LNG terminals for transporting and distributing liquefied natural gas due to their strength, durability, and ability to withstand extreme temperatures and pressures. Additionally, steel pipes can be easily welded and have excellent corrosion resistance, making them suitable for the transportation and storage of LNG.
- Q:What are the different international standards for steel pipes?
- The industry recognizes and utilizes multiple international standards for steel pipes. Some noteworthy standards are as follows: 1. ASTM A53: This standard encompasses black and galvanized steel pipes, both seamless and welded. It finds common application in low-pressure scenarios involving water, gas, and steam. 2. ASTM A106: This standard covers seamless carbon steel pipes designed for high-temperature usage. It sees widespread use in refineries, power plants, and petrochemical industries where elevated pressure and temperature conditions prevail. 3. ASTM A312: This standard pertains to austenitic stainless steel pipes that are seamless, welded, and heavily cold worked. It is frequently employed in industries such as chemical processing, food processing, and pharmaceuticals, where high temperatures and corrosive environments are encountered. 4. API 5L: This standard outlines the requirements for manufacturing seamless and welded steel pipes for use in pipeline transportation systems within the petroleum and natural gas industries. It specifies two product specification levels (PSL1 and PSL2). 5. EN 10216: This European standard addresses seamless steel pipes utilized for pressure purposes. It finds application in various industries, including power generation, chemical, and oil and gas. 6. JIS G3454: This Japanese standard focuses on carbon steel pipes used for pressure service, commonly employed in the transportation of water, gas, and oil. 7. DIN 2448: This German standard provides specifications for seamless steel pipes used for general purposes. It is extensively utilized across various industrial applications. These examples represent only a fraction of the numerous international standards governing steel pipes. Each standard delineates distinct requirements concerning manufacturing, dimensions, mechanical properties, and testing to ensure the pipes' quality and performance in specific applications. Manufacturers, suppliers, and users must comprehend and adhere to the relevant standards to guarantee the safe and reliable utilization of steel pipes.
- Q:Can steel pipes be used for underground oil pipelines?
- Yes, steel pipes can be used for underground oil pipelines. Steel pipes are commonly used for this purpose due to their strength, durability, and resistance to corrosion. They are capable of withstanding the high pressure and extreme conditions associated with oil transportation underground.
- Q:How do you calculate the pipe friction loss coefficient for steel pipes?
- To calculate the pipe friction loss coefficient for steel pipes, you need to consider several factors. One of the most common methods used is the Darcy-Weisbach equation, which relates the frictional head loss in a pipe to the flow rate, pipe diameter, pipe length, fluid properties, and the pipe roughness coefficient. The Darcy-Weisbach equation is expressed as: hf = (f * L * V^2) / (2 * g * D) Where: hf is the head loss due to friction, f is the pipe friction factor, L is the pipe length, V is the fluid velocity, g is the acceleration due to gravity, and D is the pipe diameter. The pipe friction factor, f, is the key parameter that needs to be determined. For steel pipes, this factor depends on the pipe roughness coefficient, which represents the relative roughness of the pipe. The relative roughness is calculated by dividing the absolute roughness of the pipe surface by the pipe diameter. The pipe roughness coefficient can be obtained from various sources, such as manufacturer specifications, engineering handbooks, or experimental data. It is important to ensure that the roughness coefficient used matches the specific type and condition of the steel pipe being analyzed. Once you have the pipe roughness coefficient, you can use it to calculate the pipe friction factor using empirical correlations or charts. These correlations often involve Reynolds number, which is a dimensionless quantity that characterizes the flow regime. By substituting the obtained pipe friction factor into the Darcy-Weisbach equation, you can calculate the head loss due to friction for steel pipes. This value is essential in designing piping systems, determining pump requirements, or estimating energy consumption in fluid flow applications.
- Q:What is the difference between black steel pipes and galvanized steel pipes?
- Black steel pipes and galvanized steel pipes differ in their coating. Black steel pipes are uncoated and have a dark, matte appearance, while galvanized steel pipes are coated with a layer of zinc to prevent corrosion. The galvanization process provides added protection and durability, making galvanized steel pipes suitable for outdoor or high-moisture environments.
- Q:Are steel pipes suitable for conveying fluids?
- Steel pipes are well-suited for the transportation of fluids. They have been extensively utilized across various industries for numerous years due to their robustness, strength, and resistance to corrosion. These characteristics render steel pipes an optimal choice for the conveyance of fluids like water, oil, gas, and hazardous substances. Moreover, the sleek interior surface of steel pipes facilitates smooth flow and prevents blockages, thus making them appropriate for applications that necessitate uninterrupted and seamless fluid movement. Additionally, steel pipes can endure high-pressure and high-temperature conditions, enabling their use in both high and low-pressure fluid transmission systems. In summary, steel pipes are a dependable and efficient alternative for fluid conveyance in a wide array of industries, including oil and gas, water treatment, chemical processing, and many others.
- Q:What are the factors to consider when designing a steel pipe system?
- When designing a steel pipe system, several factors need to be considered to ensure its functionality, durability, and efficiency. These factors include: 1. Pressure and temperature requirements: Determining the maximum pressure and temperature that the steel pipe system will be exposed to is crucial. This information is essential for selecting the appropriate pipe material, thickness, and jointing method to withstand the system's operating conditions. 2. Pipe material: Choosing the right material for the steel pipe system is important. Factors such as corrosion resistance, strength, and cost should be considered. Common materials for steel pipes include carbon steel, stainless steel, and alloy steel. 3. Pipe size and thickness: Calculating the adequate pipe size and wall thickness is essential to ensure the required flow rate and pressure drop within the system. The pipe size affects the system's efficiency and must be chosen based on the anticipated flow rates and pressure losses. 4. Support and anchoring: Proper support and anchoring are critical to prevent sagging, movement, and stress on the steel pipe system. The design should consider the weight of the pipes, the fluid being transported, and any external forces that may act on the system. 5. Expansion and contraction: Steel pipes expand and contract with temperature variations, causing stress on the system. Expansion joints or loops should be incorporated to allow for thermal growth and contraction, preventing damage and distortion. 6. Fluid compatibility: Understanding the properties of the fluid being transported, such as corrosiveness, viscosity, and potential for sedimentation or scaling, is important in selecting the appropriate pipe material and protective coatings or linings. 7. Accessibility and maintenance: Consideration should be given to the accessibility of the system for installation, inspection, and maintenance purposes. Proper access points, valves, and fittings should be included in the design to allow for easy maintenance and repairs. 8. Environmental factors: The steel pipe system may be exposed to various environmental conditions, such as extreme temperatures, humidity, or corrosive substances. These factors should be considered when selecting the pipe material, protective coatings, and insulation. 9. Regulatory compliance: Compliance with applicable industry standards, codes, and regulations is essential. The design should adhere to safety guidelines and applicable building codes to ensure the pipe system's integrity and longevity. 10. Cost consideration: Finally, the overall cost of the steel pipe system, including material, installation, maintenance, and energy consumption, should be taken into account. Balancing cost-effectiveness with performance requirements is crucial in achieving an efficient and economical design. By considering these factors, engineers and designers can create a steel pipe system that is suitable for its intended purpose, ensuring its longevity, reliability, and safety.
- Q:What is the role of steel pipes in the transportation of chemicals?
- The role of steel pipes in the transportation of chemicals is to provide a safe and reliable means of transporting various types of chemicals over long distances. Steel pipes are highly resistant to corrosion, which is crucial when dealing with corrosive chemicals. They are also strong and durable, ensuring that the pipes can withstand the pressure and weight of the chemicals being transported. Additionally, steel pipes are able to maintain the integrity of the chemicals, preventing any leakage or contamination during transportation. Overall, steel pipes play a vital role in ensuring the efficient and secure transportation of chemicals.
- Q:What is the difference between steel pipes and PVC-O pipes?
- Steel pipes and PVC-O pipes differ in their composition, strength, and durability. Steel pipes are made from a combination of iron and carbon, making them extremely strong and resistant to high-pressure applications. However, they are susceptible to corrosion and may require regular maintenance. On the other hand, PVC-O pipes are made from a specialized form of polyvinyl chloride, which enhances their strength and durability while being corrosion-resistant. PVC-O pipes are also lighter, easier to install, and have a longer lifespan compared to steel pipes. Overall, while steel pipes excel in strength, PVC-O pipes offer a more cost-effective and durable solution for various plumbing and industrial applications.
- Q:How are steel pipes used in the manufacturing of agricultural machinery and equipment?
- Due to their various advantageous properties, steel pipes have become widely utilized in the production of agricultural machinery and equipment. These pipes are employed in multiple ways to improve the efficiency and durability of such machinery. A primary application of steel pipes in agricultural machinery is their use in constructing frames and chassis. The exceptional strength and structural integrity of steel pipes make them an ideal choice for supporting heavy loads and enduring the demanding conditions often encountered in agricultural operations. Whether it is a tractor, combine harvester, or tillage equipment, steel pipe frames provide the necessary stability and sturdiness required for these machines to function efficiently in the field. Another common use of steel pipes in agricultural machinery is within hydraulic systems. These pipes function as conduits for hydraulic fluids, ensuring the smooth and reliable operation of various components, such as hydraulic cylinders, pumps, and motors. Thanks to their corrosion resistance and ability to withstand high pressure, steel pipes contribute to the longevity of hydraulic systems, reducing maintenance and repair costs for agricultural machinery. Moreover, steel pipes find application in the exhaust systems of agricultural equipment. To minimize environmental impact and maintain engine performance, it is essential to safely and efficiently expel the exhaust gases produced by engines. Steel pipes with suitable thickness and thermal resistance are employed in constructing exhaust systems, enabling the effective removal of exhaust gases while reducing noise pollution. Additionally, steel pipes are utilized in the manufacturing of irrigation systems and equipment used in agriculture. Whether it involves transporting water from a source to the fields or distributing water to crops through sprinklers or drip irrigation, steel pipes provide the necessary durability and pressure resistance for efficient water delivery while minimizing leaks. In conclusion, the incorporation of steel pipes in the manufacturing of agricultural machinery and equipment plays a vital role in enhancing their performance, durability, and efficiency. The exceptional strength, structural integrity, corrosion resistance, and high pressure capabilities of steel pipes make them indispensable components in various applications within the agricultural sector.
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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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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