High Quality API 5DP NS-1 Oilfield Drill Pipe
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- Negotiable m.t.
- Supply Capability:
- 5000 Tons Per Month 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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| Designations |
| Pipe body |
| Calculated weight |
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| Upset dimensions |
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| OD |
| Length of | Length of | Length of | Length of | Length end of |
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| ID at End |
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| Size | Nominal | OD | WT | ID | Plain end | Upset |
| internal | internal | external | external | pipe to taper |
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| of Pipe | upset | taper | upset | taper | fade out |
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| weight |
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| +1/8 | ±1/16 | +1 1/2 | Min. | Min. | Min. | Min. | Max. |
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| -1/32 | - 1/2 |
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| in | lb/ft | in | in | in | lb/ft | lb/ft | in | in | in | in | in | in | in | in |
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D | t | d | wpe | ew | Dou | dou | Liu | miu | Leu | meu | meu | Leu+meu |
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| Internalupset |
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2 7/8 | 10.40 | 2.875 | 0.362 | 2.151 | 9.72 | 3.20 | 2.875 | 1 15/16 | 1 3/4 | 1 1/2 | - | - | - | - |
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| 9.50 | 3.500 | 0.254 | 2.992 | 8.81 | 4.40 | 3.500 | 2 1/4 | 1 3/4 | - | - | - | - | - |
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3 1/2 |
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13.30 | 3.500 | 0.368 | 2.764 | 12.31 | 4.40 | 3.500 | 1 15/16 | 1 3/4 | 1 1/2 | - | - | - | - |
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| 15.50 | 3.500 | 0.449 | 2.602 | 14.63 | 3.40 | 3.500 | 1 15/16 | 1 3/4 | 1 1/2 | - | - | - | - |
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4 | 11.85 | 4.000 | 0.262 | 3.476 | 10.46 | 4.20 | 4.000 | 2 15/16 | 1 3/4 | - | - | - | - | - |
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14.00 | 4.000 | 0.330 | 3.340 | 12.93 | 4.60 | 4.250 | 2 3/4 | 1 3/4 | 2 | - | - | - | - |
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4 1/2 | 13.75 | 4.500 | 0.271 | 3.958 | 12.24 | 5.20 | 4.750 | 3 3/8 | 1 3/4 | - | - | - | - | - |
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5 | 16.25 | 5.000 | 0.296 | 4.408 | 14.87 | 6.60 | 5.000 | 3 3/4 | 1 3/4 | - | - | - | - | - |
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2 3/8 | 6.65 | 2.375 | 0.280 | 1.815 | 6.26 | 1.80 | 2.656 | 1.815 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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2 7/8 | 10.40 | 2.875 | 0.362 | 2.151 | 9.72 | 2.40 | 3.219 | 2.151 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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| 9.50 | 3.500 | 0.254 | 2.992 | 8.81 | 2.60 | 3.938 | 2.992 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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3 1/2 |
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13.30 | 3.500 | 0.368 | 2.764 | 12.31 | 4.00 | 3.938 | 2.602 | 2 1/4 | 2 | 1 1/2 | 1 1/2 | - | 4 |
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| 15.50 | 3.500 | 0.449 | 2.602 | 14.63 | 2.80 | 3.938 | 2.602 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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4 | 11.85 | 4.000 | 0.262 | 3.476 | 10.46 | 5.00 | 4.500 | 3.476 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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14.00 | 4.000 | 0.330 | 3.340 | 12.93 | 5.00 | 4.563 | 3.340 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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| 13.75 | 4.500 | 0.271 | 3.958 | 12.24 | 5.60 | 5.063 | 3.958 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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4 1/2 |
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16.60 | 4.500 | 0.337 | 3.826 | 14.98 | 5.60 | 5.063 | 3.826 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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| 20.00 | 4.500 | 0.430 | 3.640 | 18.69 | 5.60 | 5.063 | 3.640 | - | - | 1 1/2 | 1 1/2 | - | 4 |
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The manufacturing shop of steel pipe
The package of steel pipe
- Q: How are steel pipes insulated for thermal applications?
- Steel pipes are commonly insulated for thermal applications using various materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to create a protective barrier that reduces heat transfer. Additionally, a vapor barrier may be installed to prevent moisture condensation. This insulation helps to maintain the desired temperature of the fluid or gas being transported through the pipes and prevents energy loss.
- Q: What are the different types of steel pipe caps?
- There exists a variety of steel pipe caps, each serving specific purposes and applications. A few commonly used types are as follows: 1. Threaded Caps: These caps possess internal threads that enable them to be screwed onto threaded pipes, ensuring a secure seal. They find frequent usage in plumbing and gas-related tasks. 2. Socket Weld Caps: These caps are designed for welding onto pipe ends using a socket weld connection. They offer a strong and permanent seal, rendering them suitable for high-pressure and high-temperature tasks. 3. Butt Weld Caps: Butt weld caps, similar to socket weld caps, are meant for welding onto pipe ends. However, they are specifically designed for butt welding, which involves directly welding the cap to the pipe without additional fittings. 4. Domed Caps: These caps have a domed or rounded shape on the upper surface, providing a smooth and visually pleasing finish. They are commonly applied in architectural and decorative tasks, such as handrails or fence posts. 5. Flat Caps: As the name suggests, flat caps possess a flat upper surface. They are often utilized when a simple and low-profile cap is required, such as for safeguarding pipe ends in industrial applications. 6. Blind Caps: Blind caps are employed to permanently seal off pipe ends. They are solid caps without any openings or threads, ensuring complete closure. They are frequently utilized in piping systems where a section of the pipeline is not in use or temporarily needs to be closed off. These examples merely scratch the surface of the various steel pipe caps available. The selection of a cap depends on specific application requirements, including the type of connection, pressure, temperature, and the necessity for structural or decorative finishes. It is crucial to choose the appropriate cap to guarantee a secure and reliable seal for the pipe.
- Q: How are steel pipes threaded?
- Threading, a process that involves creating screw-like grooves on the outer surface of steel pipes, enables their connection to other pipes or fittings using threaded connections. Steel pipes can be threaded through various methods, including manual threading, electric threading machines, and hydraulic threading machines. Manual threading employs a handheld pipe threading tool called a die. The die is positioned on the outside of the pipe, and while pressure is applied, the pipe is rotated to generate the threads. This technique is suitable for smaller diameter pipes and is commonly used for on-site repairs or in smaller operations. For larger diameter pipes, electric threading machines are commonly used. These machines consist of a motor-driven spindle that rotates the pipe and a die head that houses the threading dies. The operator simply feeds the pipe into the machine, and the threading dies automatically cut the threads onto the pipe. Hydraulic threading machines, similar to electric threading machines, utilize hydraulic power to rotate the pipe and create the threads. These machines are typically employed for larger diameter pipes or heavy-duty applications. Irrespective of the method employed, it is crucial to properly prepare the pipe before threading. This may involve cleaning the pipe, eliminating any burrs or sharp edges, and applying a lubricant to minimize friction during the threading process. In conclusion, threading is a widely used and efficient technique for establishing threaded connections on steel pipes. It facilitates easy assembly and disassembly of pipes and fittings, making it a popular choice in industries such as plumbing, construction, and oil and gas.
- Q: What are the different types of steel pipes available?
- In the market, one can find a variety of steel pipes catering to specific needs in different applications. Some commonly used steel pipes include: 1. Carbon Steel Pipes: These pipes, primarily composed of carbon, are the most prevalent type. They are utilized in a wide range of applications such as fluid and gas transportation, structural purposes, and plumbing. 2. Stainless Steel Pipes: These pipes are manufactured using an alloy that contains a substantial amount of chromium, providing excellent resistance to corrosion. Industries like oil and gas, chemical processing, and food processing rely heavily on stainless steel pipes. 3. Alloy Steel Pipes: These pipes, as the name suggests, consist of an alloy containing a combination of various elements like chromium, molybdenum, and nickel. They offer improved strength, durability, and resistance to high temperatures, making them suitable for applications in power plants, refineries, and petrochemical industries. 4. Galvanized Steel Pipes: To safeguard against corrosion, these pipes are coated with a layer of zinc. Due to their exceptional rust resistance and long-lasting durability, galvanized steel pipes find common usage in plumbing systems, water supply lines, and outdoor structures. 5. Seamless Steel Pipes: These pipes are manufactured without any welded seams and are often preferred for applications requiring high pressure, high temperature, or a smooth inner surface. Industries such as oil and gas, automotive, and aerospace frequently utilize seamless steel pipes. 6. Welded Steel Pipes: These pipes are created by welding two steel pieces together. They are available in various shapes and sizes and commonly used in construction, water supply systems, and general engineering applications. 7. ERW (Electric Resistance Welded) Steel Pipes: These pipes are produced by passing a high-frequency electric current through a steel strip and then welding the edges together. ERW steel pipes find wide usage in oil and gas transportation, structural applications, and fencing. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: These pipes are formed by bending and welding a steel plate into a cylindrical shape. LSAW steel pipes are commonly employed in large-scale infrastructure projects such as oil and gas pipelines and bridge construction. To summarize, the market offers a variety of steel pipes, including carbon steel, stainless steel, alloy steel, galvanized steel, seamless steel, welded steel, ERW steel, and LSAW steel pipes. The choice of steel pipe type depends on specific application requirements, such as resistance to corrosion, strength, temperature, and pressure resistance.
- Q: Are steel pipes resistant to vibration?
- Yes, steel pipes have excellent resistance to vibration due to their high strength and stiffness properties. The inherent rigidity of steel makes it highly resistant to the effects of vibration, making steel pipes a reliable choice for applications where vibration is a concern.
- Q: Can steel pipes be used for conveying slurry and slurries?
- Steel pipes are versatile and can be used to transport slurry and slurries. They are frequently employed in a range of applications, including the conveyance of fluids, gases, and solids. These pipes are renowned for their durability, strength, and resistance to corrosion, which makes them well-suited for handling abrasive materials like slurry and slurries. To enhance their protective capabilities against wear and tear caused by the abrasive nature of slurries, steel pipes are commonly lined with materials such as rubber or ceramic. The choice of steel grade and lining material depends on the specific requirements of the slurry being transported, including factors like particle size, concentration, and temperature. In summary, steel pipes are a dependable and efficient choice for the transportation of slurries across various industries, including mining, wastewater treatment, and chemical processing.
- Q: What are the advantages of using steel pipes in the manufacturing of furniture?
- There are several advantages of using steel pipes in the manufacturing of furniture. Firstly, steel pipes provide durability and strength, ensuring that the furniture is sturdy and long-lasting. Secondly, steel pipes have a sleek and modern appearance, adding a contemporary touch to the furniture design. Additionally, steel pipes are resistant to corrosion, making them suitable for both indoor and outdoor furniture. Lastly, steel pipes are versatile and can be easily shaped and welded, allowing for customization and flexibility in furniture design.
- Q: What are the common applications of seamless steel pipes?
- Due to their unique properties, seamless steel pipes are widely used in various industries. Here are some of the most common applications: 1. The oil and gas industry extensively utilizes seamless steel pipes for transporting oil, gas, and other fluids. These pipes are preferred because of their high strength, durability, and resistance to corrosion, making them suitable for harsh environments. 2. Seamless steel pipes are extensively used in construction projects, such as building, bridge, and tunnel construction. They are ideal for structural applications due to their ability to withstand heavy loads and provide excellent strength and stability. 3. The automotive industry relies on seamless steel pipes for manufacturing automotive parts, including exhaust systems, engine components, and hydraulic systems. These pipes offer high strength, reliability, and resistance to heat, making them suitable for demanding automotive applications. 4. Various mechanical and engineering applications benefit from the usage of seamless steel pipes. They are commonly used for carrying fluids, gases, and steam, as well as for transmitting power in machinery and equipment. 5. Power plants extensively utilize seamless steel pipes for transporting steam and hot water. These pipes are capable of withstanding high pressure and temperature, making them ideal for power generation applications. 6. The petrochemical industry heavily relies on seamless steel pipes for transporting chemicals, gases, and liquids. These pipes have excellent resistance to corrosion, which is essential when dealing with hazardous and corrosive substances. 7. The mining industry utilizes seamless steel pipes for various applications, including the transportation of slurry, water, and other mining-related fluids. These pipes offer durability, reliability, and resistance to abrasion, making them suitable for the challenging mining environment. 8. The aerospace industry finds applications for seamless steel pipes in manufacturing aircraft components, such as hydraulic systems, fuel lines, and structural parts. These pipes provide a high strength-to-weight ratio and resistance to extreme temperatures and pressure. Overall, seamless steel pipes play a crucial role in a wide range of industries. Their exceptional properties, including strength, durability, resistance to corrosion and high temperatures, make them an essential component in various industrial processes and infrastructure development.
- Q: How do steel pipes perform in seismic zones?
- Steel pipes perform well in seismic zones due to their inherent strength and ductility. Their high tensile strength allows them to withstand the horizontal forces exerted during an earthquake, while their ductility allows them to deform and absorb the energy generated by seismic activity. Additionally, steel pipes can be designed and installed with proper reinforcement and bracing systems to further enhance their performance in seismic zones.
- Q: How are steel pipes used in the construction of sewer systems?
- Steel pipes are commonly used in the construction of sewer systems due to their durability and strength. They are used to transport wastewater and sewage from buildings to treatment plants or disposal sites. Steel pipes are resistant to corrosion and can withstand high pressure, making them ideal for underground applications. Additionally, their smooth interior prevents clogs and blockages, ensuring efficient flow and preventing damage to the sewer system.
After more than a decade’s construction and development, we have taken a leading position in seamless steel tube industry in China. In the year 2007, it awarded Famous-brand product Certificate. Besides, we have been named as excellent supplier of Qualified Products by our customers for several times.
1. Manufacturer Overview
| Location | Wuxi, China |
| Year Established | 1991 |
| Annual Output Value | 300,000Tons |
| Main Markets | Europe; Southeast Asia; etc. |
| Company Certifications | API 5L；API 5CT；API Q1；ISO/TS29001 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Wuxi; Shanghai |
| Export Percentage | 41% - 50% |
| No.of Employees in Trade Department | 3900-4000 People |
| Language Spoken: | English; Chinese; Spanish |
| b) Factory Information | |
| Factory Size: | Above 450,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | OEM Service Offered；Design Service Offered |
| Product Price Range | Average |
Send your message to us
High Quality API 5DP NS-1 Oilfield Drill Pipe
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- Negotiable m.t.
- Supply Capability:
- 5000 Tons Per Month 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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