• High Quality API 5DP NS-1 Oilfield Drill Pipe System 1
  • High Quality API 5DP NS-1 Oilfield Drill Pipe System 2
  • High Quality API 5DP NS-1 Oilfield Drill Pipe System 3
High Quality API 5DP NS-1 Oilfield Drill Pipe

High Quality API 5DP NS-1 Oilfield Drill Pipe

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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

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Designations

 

Pipe body

 

Calculated weight

 

 

 

Upset dimensions

 

 

 

 

 

 

 

 

 

 

 

 

OD

 

Length of

Length of

Length of

Length of

Length end of

 

 

 

 

 

 

 

 

 

 

ID at End

 

 

Size

Nominal

OD

WT

ID

Plain end

Upset

 

internal

internal

external

external

pipe to taper

 

 

 

of Pipe

upset

taper

upset

taper

fade out

 

 

 

weight

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+1/8

±1/16

+1 1/2

Min.

Min.

Min.

Min.

Max.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-1/32

- 1/2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

in

lb/ft

in

in

in

lb/ft

lb/ft

in

in

in

in

in

in

in

in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

t

d

wpe

ew

Dou

dou

Liu

miu

Leu

meu

meu

Leu+meu

 

 

 

 

 

 

 

 

 

 

 

 

 

Internalupset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

-

-

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.50

3.500

0.254

2.992

8.81

4.40

3.500

2 1/4

1 3/4

-

-

-

-

-

 

3 1/2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13.30

3.500

0.368

2.764

12.31

4.40

3.500

1 15/16

1 3/4

1 1/2

-

-

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15.50

3.500

0.449

2.602

14.63

3.40

3.500

1 15/16

1 3/4

1 1/2

-

-

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

11.85

4.000

0.262

3.476

10.46

4.20

4.000

2 15/16

1 3/4

-

-

-

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14.00

4.000

0.330

3.340

12.93

4.60

4.250

2 3/4

1 3/4

2

-

-

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 1/2

13.75

4.500

0.271

3.958

12.24

5.20

4.750

3 3/8

1 3/4

-

-

-

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

16.25

5.000

0.296

4.408

14.87

6.60

5.000

3 3/4

1 3/4

-

-

-

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Externalupset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.50

3.500

0.254

2.992

8.81

2.60

3.938

2.992

-

-

1 1/2

1 1/2

-

4

 

3 1/2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15.50

3.500

0.449

2.602

14.63

2.80

3.938

2.602

-

-

1 1/2

1 1/2

-

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

11.85

4.000

0.262

3.476

10.46

5.00

4.500

3.476

-

-

1 1/2

1 1/2

-

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14.00

4.000

0.330

3.340

12.93

5.00

4.563

3.340

-

-

1 1/2

1 1/2

-

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13.75

4.500

0.271

3.958

12.24

5.60

5.063

3.958

-

-

1 1/2

1 1/2

-

4

 

4 1/2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16.60

4.500

0.337

3.826

14.98

5.60

5.063

3.826

-

-

1 1/2

1 1/2

-

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20.00

4.500

0.430

3.640

18.69

5.60

5.063

3.640

-

-

1 1/2

1 1/2

-

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The manufacturing shop of steel pipe

 steel pipe

 

 steel pipe

 steel pipe

 steel pipe

The package of steel pipe

 steel pipe

 

 steel pipe

Q:How are steel pipes used in the manufacturing of hydraulic systems?
Steel pipes are commonly used in the manufacturing of hydraulic systems due to their durability, strength, and resistance to high pressures. These pipes are typically used to transport hydraulic fluid, providing a reliable and leak-free connection between various components such as pumps, valves, and actuators. Steel pipes also offer the advantage of being able to withstand harsh operating conditions and ensure efficient fluid flow, making them an essential component in hydraulic system manufacturing.
Q:What is the importance of corrosion resistance in steel pipes?
The importance of corrosion resistance in steel pipes is significant as it helps to extend the lifespan of the pipes, ensures their structural integrity, and maintains the quality of the fluid or gas being transported. Corrosion can lead to pipe failures, leaks, and contamination of the contents, resulting in costly repairs, environmental hazards, and potential safety risks. Therefore, incorporating corrosion-resistant properties in steel pipes is crucial for their long-term performance, durability, and overall efficiency.
Q:Are steel pipes suitable for high-pressure applications?
Indeed, steel pipes prove to be an appropriate choice when it comes to high-pressure applications. Renowned for their robustness and endurance, steel pipes are exceptionally well-suited for managing high-pressure scenarios. They possess the remarkable ability to endure the intense internal pressure exerted by fluids or gases without buckling or rupturing. Thanks to their high tensile strength, steel pipes effectively combat the forces that arise in high-pressure environments, thereby ensuring the security and dependability of the piping system. Furthermore, steel pipes can be manufactured with thicker walls, further bolstering their capacity to withstand elevated pressures. Consequently, steel pipes find extensive utilization in various industries, such as oil and gas, petrochemical, power generation, and water distribution, where high-pressure applications are customary.
Q:Can steel pipes be used for transporting gases and liquids?
Yes, steel pipes can be used for transporting gases and liquids. Steel pipes are known for their high strength, durability, and resistance to corrosion, making them an ideal choice for transporting various substances. Additionally, steel pipes have the ability to withstand high pressure and temperature, making them suitable for a wide range of applications in industries such as oil and gas, water supply, and chemical processing.
Q:How are steel pipes protected against ultraviolet radiation?
Steel pipes are typically protected against ultraviolet radiation by applying a layer of protective coating or paint. This coating acts as a barrier, preventing the harmful effects of UV rays from deteriorating the steel and reducing its lifespan.
Q:How do you calculate the maximum allowable deflection for steel pipes?
The maximum allowable deflection for steel pipes can be calculated using various formulas and guidelines set by industry standards. Factors such as the material properties of the steel, pipe diameter, wall thickness, and the applied load are taken into consideration. These calculations typically involve using equations that relate to the pipe's moment of inertia, modulus of elasticity, and the specific loading conditions. It is recommended to consult relevant engineering codes and standards, such as ASME B31.1 or ASME B31.3, to ensure accurate calculations and safe design.
Q:What are the different types of steel pipes available in the market?
In the market, one can find a variety of steel pipes, each designed for specific purposes and applications. Some of the commonly used types are as follows: 1. Carbon Steel Pipes: These pipes are widely utilized due to their strength and durability. They are primarily employed in industries like oil and gas, construction, and plumbing for fluid and gas transportation. 2. Alloy Steel Pipes: By combining carbon steel with different metals like chromium, nickel, or molybdenum, alloy steel pipes offer enhanced strength, corrosion resistance, and heat resistance. They find applications in high-pressure environments such as power plants and chemical plants. 3. Stainless Steel Pipes: Highly resistant to corrosion and oxidation, stainless steel pipes are suitable for applications requiring hygiene and durability. Industries like food processing, pharmaceuticals, and water treatment commonly use them. 4. Galvanized Steel Pipes: These pipes are coated with a layer of zinc to protect against rust and corrosion. They are commonly found in plumbing systems and structures like fences and handrails. 5. Seamless Steel Pipes: These pipes are manufactured without any welding or joints, resulting in a smooth and continuous surface. They are known for their high strength and are often used in high-pressure applications. 6. Welded Steel Pipes: Made by rolling or bending a flat steel plate into a cylindrical shape and welding the edges together, welded pipes find common usage in construction, oil and gas, and automotive industries. 7. ERW (Electric Resistance Welded) Steel Pipes: ERW pipes are produced by passing a high-frequency electrical current through a steel strip, causing it to heat and form a weld. They are widely utilized in plumbing, water wells, and structural support. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: LSAW pipes are created by bending and welding steel plates into a cylindrical shape. They are commonly employed for long-distance transportation of large volumes of oil, gas, or water. These examples represent only a fraction of the diverse range of steel pipes available in the market. The choice of the appropriate pipe type depends on factors such as the intended application, environmental conditions, and budget constraints. Consulting with experts or professionals is crucial in determining the most suitable steel pipe for a specific project or application.
Q:What are the common sizes of steel pipe fittings?
The common sizes of steel pipe fittings can vary depending on the specific application and industry standards. However, there are several standard sizes that are commonly used across different industries. These sizes range from ¼ inch to 48 inches in diameter. Some of the most common sizes include ½ inch, ¾ inch, 1 inch, 1 ¼ inch, 1 ½ inch, 2 inch, 2 ½ inch, 3 inch, 4 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 24 inch, 30 inch, 36 inch, 42 inch, and 48 inch. These sizes are often available in various lengths to accommodate different installation requirements. It is important to consult industry standards and specifications to determine the appropriate size of steel pipe fittings for a specific project.
Q:What are the advantages of using steel pipes in the manufacturing industry?
There are several advantages of using steel pipes in the manufacturing industry. Firstly, steel pipes are known for their high strength and durability, making them ideal for carrying heavy loads and withstanding harsh conditions. Secondly, steel pipes have excellent resistance to corrosion, reducing the risk of leaks and ensuring a longer lifespan. Additionally, steel pipes offer a wide range of sizes and shapes, allowing for flexibility in design and easy customization. Furthermore, steel pipes are cost-effective compared to other materials, as they require minimal maintenance and have a low risk of failure. Lastly, steel pipes are environmentally friendly, as they are fully recyclable and contribute to reducing carbon emissions during manufacturing. Overall, the advantages of using steel pipes in the manufacturing industry make them a reliable and efficient choice for various applications.
Q:What is the bending strength of steel pipes?
The bending strength of steel pipes refers to the ability of a steel pipe to withstand bending forces without breaking or permanently deforming. The bending strength of steel pipes can vary depending on various factors such as the type and grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Steel pipes are known for their high strength and durability, making them suitable for a wide range of applications. The bending strength of steel pipes is typically expressed in terms of the maximum bending moment or the maximum stress that the pipe can withstand without failure. To determine the bending strength of a steel pipe, engineers and manufacturers use various testing methods such as three-point or four-point bending tests. These tests apply a known force or moment to the pipe and measure its deflection or stress response. The bending strength of steel pipes can also be influenced by the pipe's mechanical properties, including yield strength, tensile strength, and elongation. These properties determine the overall strength and ductility of the steel, which play a vital role in its bending strength. It is important to note that the bending strength can vary depending on the specific application and load conditions. For example, pipes used in structural or load-bearing applications may require higher bending strength compared to pipes used for plumbing or conveyance purposes. In summary, the bending strength of steel pipes is determined by various factors such as the type and grade of steel, diameter and thickness of the pipe, and the manufacturing process. Testing methods and mechanical properties are used to evaluate the bending strength of steel pipes, ensuring their suitability for different applications and load conditions.
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

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