Carbon Steel Line Pipe Manufacturers Supplier

China seamless steel pipe line pipe supplier. Quality API 5L seamless line pipes. 

Your trusted manufacturer & supplier of premium steel line pipes. Request your quote today.

China Seamless Steel Pipe Line Pipe Manufacturers

Line Pipe
  1. Name: API 5L seamless line pipe
  2. Standard: API SPEC 5L
  3. Grade: Grade B, X42, X46, X52, X56, X60, X65, X70, X80
  4. Outer DIA.: 4 to 14 inches (114.3 to 355.6 mm)
  5. Wall Thickness: 3.0 to 33mm
  6. Scope: Oil & Gas transportation, water distribution, chemical processing, construction, etc.

Seamless Line Pipe Size Chart

Nominal Pipe Size Outside Diameter (mm) Nominal Wall Thickness Schedule
NPS DN OD SCH 5 SCH 10 SCH 20 SCH 30 SCH Sth SCH 40 SCH 60 SCH XS SCH 80 SCH 100 SCH 120 SCH 140 SCH 160 SCH XXS
1/8 6 10.3 1.24 1.45 1.73 1.73 2.41 2.41
1/4 8 13.7 1.65 1.85 2.24 2.24 3.02 3.02
3/8 10 17.1 1.65 1.85 2.31 2.31 3.20 3.20
1/2 15 21.3 1.65 2.11 2.41 2.77 2.77 3.73 3.73 4.78 7.47
3/4 20 26.7 1.65 2.11 2.41 2.87 2.87 3.91 3.91 5.56 7.82
1 25 33.4 1.65 2.77 2.9 3.38 3.38 4.55 4.55 6.35 9.09
1 1/4 32 42.2 1.65 2.77 2.97 3.56 3.56 4.85 4.85 6.35 9.70
1 1/2 40 48.3 1.65 2.77 3.18 3.68 3.68 5.08 5.08 7.14 10.15
2 50 60.3 1.65 2.77 3.18 3.91 3.91 5.54 5.54 8.74 11.07
2 1/2 65 73 2.11 3.05 4.78 5.16 5.16 7.01 7.01 9.53 14.02
3 80 88.9 2.11 3.05 4.78 5.49 5.49 7.62 7.62 11.13 15.24
3 1/2 90 101.6 2.11 3.05 4.78 5.74 5.74 8.08 8.08
4 100 114.3 2.11 3.05 4.78 6.02 6.02 8.56 8.56 11.13 13.49 17.12
5 125 141.3 2.77 3.40 6.55 6.55 9.53 9.53 12.70 15.88 19.05
6 150 168.3 2.77 3.40 7.11 7.11 10.97 10.97 14.27 18.26 21.95
8 200 219.1 2.77 3.76 6.35 7.04 8.18 8.18 10.31 12.70 12.70 15.09 18.26 20.62 23.01 22.23
10 250 273.0 3.40 4.19 6.35 7.80 9.27 9.27 12.70 12.70 15.09 18.26 21.44 25.40 28.58 25.40
12 300 323.8 3.96 4.57 6.35 8.38 9.53 10.31 14.27 12.70 17.48 21.44 25.40 28.58 33.32 25.40
14 350 355.6 3.96 6.35 7.92 9.53 9.53 11.13 15.09 12.70 19.05 23.83 27.79 31.75 35.71
16 400 406.4 4.19 6.35 7.92 9.53 9.53 12.70 16.66 12.70 21.44 26.19 30.96 36.53 40.49
18 450 457 4.19 6.35 7.92 11.13 9.53 14.27 19.05 12.70 23.83 29.36 34.93 39.67 45.24
20 500 508 4.78 6.35 9.53 12.70 9.53 15.09 20.62 12.70 26.19 32.54 38.10 44.45 50.01
22 550 559 4.78 6.35 9.53 12.70 9.53 22.23 12.70 28.58 34.93 41.28 47.63 53.98
24 600 610 5.54 6.35 9.53 14.27 9.53 17.48 24.61 12.70 30.96 38.89 46.02 52.37 59.54
26 650 660 7.92 12.70 9.53 12.70
28 700 711 7.92 12.70 15.88 9.53 12.70
30 750 762 6.35 7.92 12.70 15.88 9.53 12.70
32 800 813 7.92 12.70 15.88 9.53 17.48 12.70
34 850 864 7.92 12.70 15.88 9.53 17.48 12.70
36 900 914 7.92 12.70 15.88 9.53 19.05 12.70
38 950 965 9.53 12.70
40 1000 1016 9.53 12.70
42 1050 1067 9.53 12.70
44 1100 1118 9.53 12.70
46 1150 1168 9.53 12.70
48 1200 1219 9.53 12.70
Nominal Pipe Size Outside Diameter (mm) Nominal Wall Thickness
NPS DN OD
52 1300 1321 9.53 10.31 11.13 11.91 12.7 14.27 15.88 17.48 19.05 20.62 22.23 23.83 25.4 26.97 28.58 30.18 31.75
56 1400 1422 9.53 10.31 11.13 11.91 12.7 14.27 15.88 17.48 19.05 20.62 22.23 23.83 25.4 26.97 28.58 30.18 31.75
60 1500 1524 9.53 10.31 11.13 11.91 12.7 14.27 15.88 17.48 19.05 20.62 22.23 23.83 25.4 26.97 28.58 30.18 31.75
64 1600 1626 9.53 10.31 11.13 11.91 12.7 14.27 15.88 17.48 19.05 20.62 22.23 23.83 25.4 26.97 28.58 30.18 31.75
68 1700 1727 9.53 10.31 11.13 11.91 12.7 14.27 15.88 17.48 19.05 20.62 22.23 23.83 25.4 26.97 28.58 30.18 31.75
72 1800 1829 12.7 14.27 15.88 17.48 19.05 20.62 22.23 23.83 25.4 26.97 28.58 30.18 31.75
76 1900 1930 12.7 14.27 15.88 17.48 19.05 20.62 22.23 23.83 25.4 26.97 28.58 30.18 31.75
80 2000 2032 14.27 15.88 17.48 19.05 20.62 22.23 23.83 25.4 26.97 28.58 30.18 31.75

API Line Pipe Standard

At PandaPipe, we take pride in our commitment to quality and adherence to stringent production standards. 

Our API 5L line pipes are manufactured in compliance with API 5L standard developed by the American Petroleum Institute (API).

While the specific production standards applied to our line pipe, the pipes meet all the necessary criteria for steel chemistry, strength, toughness, and dimensional characteristics. 

This unwavering commitment to quality ensures that our line pipes stand up to the demands of the most challenging environments.

How to Select Seamless Line Pipe?

Choosing the right line pipe is crucial for the success of your project, and at PandaPipe, we are here to assist you in making the best decision. Our expertise in pipeline welding ensures that your project is executed with precision and durability. 

Consider factors such as the volume of gas or liquid to be transported, the required pressure, and the intended application, whether it’s a mainline or a smaller pipeline. As trusted line pipe suppliers, we offer a comprehensive range of API 5L line pipe options. 

Our expert team, specializing in pipeline welding, is available to guide you through the selection process, ensuring that you choose the line pipe with the appropriate diameter and thickness that aligns with your specific needs. 

With PandaPipe, you benefit from our expertise in pipe line welding, our quality products, and personalized service, guaranteeing a solution that is tailored to your project’s success.

FAQs of Seamless Line Pipes

How much pressure can Line Pipes withstand?

Our Line Pipes are designed to withstand varying pressures depending on the application. 

They are meticulously engineered to handle pressures far beyond the usual maximum operating pressure. 

Whether it’s for low-pressure gas lines or high-pressure applications, we have the right Line Pipe to meet your needs.

Durability is a hallmark of our Line Pipes. Made from high-quality steel, they are designed to last for several decades. 

With proper protection against corrosion and environmental influences, you can trust our Line Pipes to serve you efficiently for years to come.

Our Line Pipes offer flexibility in laying around curves. 

You can either use pre-fabricated bends or lay the pipes in gentle curves over longer distances. 

The minimum bending radius is calculated based on the pipe’s outer diameter and other factors. 

Our Line Pipes are engineered to adapt to various terrains, ensuring a smooth flow of your materials.

We use a variety of steel grades for the production of Line Pipes, each selected for specific mechanical properties like strength and toughness. 

Depending on the application area, different standards and materials are used. 

Our Line Pipes are crafted with precision to meet the highest industry standards.

Send your inquiry to us today!

A PandaPipe sales will reply your inquiry in 6 hours.

Please pay attention to the email with the suffix “@pandapipe.com.”

CONTACT US