• Casing Pipe of Grade L80 with API Standard System 1
  • Casing Pipe of Grade L80 with API Standard System 2
  • Casing Pipe of Grade L80 with API Standard System 3
Casing Pipe of Grade L80 with API Standard

Casing Pipe of Grade L80 with API Standard

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
2000 m.t./month

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1. Structure of Casing Pipe of Grade L80 Description

 
API 5CT Steel Pipe, L80 Oil/Petroleum Casing Pipe, OCTG 
1) Grade: J55,K55,L80,N80Q,C90,T95,P110 
2) Size: 4 1/2", 5", 5 1/2", 6 5/8", 7", 7 5/8", 9 5/8", 10 3/4", 13 3/8", 16", 18 5/8", 20"
3) Wall thickness: 6.35 - 12.70 mm
4) Thread type: STC, LTC, BTC
5) Length: R1,R2,R3
6) All our casings accord with API 5CT standard.



2. Main Features of Casing Pipe of Grade L80


1) Advanced test for quality 

2) MTC, COC provided 

3) Supervision is welcome


3. Casing Pipe of Grade L80 Images


Casing Pipe of Grade L80 with API Standard

Casing Pipe of Grade L80 with API Standard

Casing Pipe of Grade L80 with API Standard


4. Casing Pipe of Grade L80 Specification


Size   Destination

Weight   Destination

Outside   Diameter

Wall Thickness

Type of End   Finish

Grade

in

mm

in

mm

J55
  K55

L80

N80

C90
  T95

P110

4 1/2

9.50

4.500

114.3

0.205

5.21

PS

-

-

-

-

10.50

0.224

5.69

PSB

-

-

-

-

11.60

0.250

6.35

PSLB

PLB

PLB

PLB

PLB

13.50

0.290

7.37

-

PLB

PLB

PLB

PLB

15.10

0.337

9.56

-

-

-

-

PLB

5

11.50

5.00

127.00

0.220

5.59

PS

-

-

-

-

13.00

0.253

6.43

PSLB

-

-

-

-

15.00

0.296

7.52

PSLB

PLB

PLB

PLBE

PLB

18.00

0.362

9.19

-

PLB

PLB

PLBE

PLB

21.40

0.437

11.10

-

PLB

PLB

PLB

PLB

23.20

0.478

12.14

-



PLB


24.10

0.500

12.70

-



PLB


5 1/2

14.00

5.500

139.7

0.244

6.20

PS

-

-

-

-

15.50

0.275

6.98

PSLB

-

-

-

-

17.00

0.304

7.72

PSLB

PLB

PLB

PLBE

PLB

20.00

0.361

9.17

-

PLB

PLB

PLBE

PLB

23.00

0.415

10.54

-

PLB

PLB

PLBE

PLB

6 5/8

20.00

6.625

168.28

0.288

7.32

PSLB

-

-

-

-

24.00

0.352

8.94

PSLB

PLB

PLB

PLBE

PLB

28.00

0.417

10.59

-

PLB

PLB

PLBE

PLB

32.00

0.475

12.06

-

PLB

PLB

PLBE

PLB

7

17.00

7.00

177.80

0.231

5.87

-

-

-

-

-

20.00

0.272

6.91

PS

-

-

-

-

23.00

0.317

8.05

PSLB

PLB

PLB

PLBE

-

26.00

0.362

9.19

PSLB

PLB

PLB

PLBE

PLB

29.00

0.408

10.36

-

PLB

PLB

PLBE

PLB

32.00

0.453

11.51

-

PLB

PLB

PLBE

PLB

35.00

0.498

12.65

-

PLB

PLB

PLBE

PLB

38.00

0.540

13.72

-

PLB

PLB

PLBE

PLB

7 5/8

24.00

7.625

193.68

0.300

7.62

-

-

-

-

-

26.40

0.328

8.33

PSLB

PLB

PLB

PLBE

PLB

29.70

0.375

9.52

-

PLB

PLB

PLBE

PLB

33.70

0.430

10.92

-

PLB

PLB

PLBE

PLB

39.00

0.500

12.70

-

PLB

PLB

PLBE

PLB

42.80

0.562

14.27

-

PLB

PLB

PLB

PLB

45.30

0.595

15.11

-

PLB

PLB

PLB

PLB

47.10

0.625

15.88

-

PLB

PLB

PLB

PLB

8 5/8

24.00

8.625

219.08

0.264

6.71

PS

-

-

-

-

28.00

0.304

7.72

-

-

-

-

-

32.00

0.352

8.94

PSLB

-

-

-

-

36.00

0.400

10.16

PSLB

PLB

PLB

PLBE

PLB

40.00

0.450

11.43

-

PLB

PLB

PLBE

PLB

44.00

0.500

12.70

-

PLB

PLB

PLBE

PLB

49.00

0.557

14.15

-

PLB

PLB

PLBE

PLB

9 5/8

32.30

9.625

244.48

0.312

7.92

-

-

-

-

-

36.00

0.352

8.94

PSLB

-

-

-

-

40.00

0.395

10.03

PSLB

PLB

PLB

PLBE

-

43.50

0.435

11.05

-

PLB

PLB

PLBE

PLB

47.00

0.472

11.99

-

PLB

PLB

PLBE

PLB

53.50

0.545

13.84

-

PLB

PLB

PLBE

PLB

58.40

0.595

15.11

-

PLB

PLB

PLB

PLB

10 3/4

32.75

10.75

273.05

0.279

7.09

-

-

-

-

-

40.50

0.350

8.89

PSB

-

-

-

-

15.50

0.400

10.16

PSB

-

-

-

-

51.00

0.450

11.43

PSB

PSB

PSB

PSBE

PSB

55.50

0.495

12.57

-

PSB

PSB

PSBE

PSB

60.70

0.545

13.84

-

-

-

PSBE

PSB

65.70

0.595

15.11

-

-

-

PSB

PSB

13 3/8

48.00

13.375

339.73

0.330

8.38

-

-

-

-

-

54.50

0.380

9.65

PSB

-

-

-

-

61.00

0.430

10.92

PSB

-

-

-

-

68.00

0.480

12.19

PSB

PSB

PSB

PSB

PSB

72.00

0.514

13.06

-

PSB

PSB

PSB

PSB

16

65.00

16

406.40

0.375

9.53

-

-

-

-

-

75.00

0.438

11.13

PSB

-

-

-

-

84.00

0.495

12.57

PSB

-

-

-

-

109.00

0.656

16.66

P

P

P

-

P

18 5/8

87.50

18.625

473.08

0.435

11.05

PSB

-

-

-

-

20

94.00

20

508.00

0.438

11.13

PSLB

-

-

-

-

106.50

0.500

12.70

PSLB

-

-

-

-

133.00

0.635

16.13

PSLB

-

-

-

-


5. FAQ of Casing Pipe of Grade L80


We have organized several common questions for our clients,may help you sincerely:


①How about your company?

One of the leading manufacturers and suppliers specializing in steel pipe products in China, mainly offering four series steel pipes including welded steel pipe (ERW, SSAW, LSAW and square and rectangle pipe), seamless steel pipe, hot dipped galvanized steel pipe and steel pipe with 3 layer polythene coating. We can provide customers different specification standards e.g. ASTM A53, ASTM A106, BS1387, API 5L, API 5CT, ISO3183 and etc. Our scope of supplying covers from 1/2" to 48" for the outside diameter of welded pipes, and 1/8" to 20" for the seamless pipes. 


Other than steel pipes we are also capable of supplying a wide variety of pipeline accessories, steel pipe fittings; valves etc. consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.


②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.


③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.


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.
Q:How are steel pipes classified based on their thickness?
There are three main categories for classifying steel pipes based on their thickness: Schedule, Nominal Pipe Size (NPS), and Wall Thickness. In North America, the Schedule classification is commonly used and refers to the pipe's wall thickness. It is indicated by numbers like Schedule 10, Schedule 40, and Schedule 80, where a higher number means a thicker pipe. On the other hand, the Nominal Pipe Size (NPS) classification is used internationally and refers to the pipe's inside diameter. It is expressed in inches and is usually followed by a schedule number to indicate the wall thickness. For example, NPS 6 Schedule 40 means a pipe with a 6-inch inside diameter and a wall thickness according to Schedule 40. Additionally, steel pipes can be classified based on their wall thickness in millimeters or inches. This classification provides a more precise measurement of the pipe's thickness and is commonly referred to as the "wall thickness" or "wt" in specifications. The wall thickness is measured from the outside diameter to the inside diameter and can be expressed in various units of measurement like millimeters, inches, or gauge. In summary, steel pipes are classified based on their thickness using different systems such as Schedule, Nominal Pipe Size (NPS), and Wall Thickness. These classifications ensure the selection of the appropriate pipe for specific applications, taking into account factors such as pressure requirements, structural integrity, and compatibility with other system components.
Q:How are steel pipes used in the construction of underground parking structures?
Steel pipes are used in the construction of underground parking structures for various purposes, such as providing structural support, drainage, and ventilation. They are commonly used as piles or caissons to support the weight of the structure and prevent it from sinking into the ground. Additionally, steel pipes are utilized for the installation of drainage systems to prevent water accumulation and ensure the structural integrity of the parking structure. They are also employed for ventilation purposes, allowing fresh air to circulate and remove any potentially hazardous gases. Overall, steel pipes are essential components in the construction of underground parking structures, ensuring their stability, safety, and functionality.
Q:How do you calculate the bending moment of a steel pipe?
To calculate the bending moment of a steel pipe, you need to consider both the applied load and the structural properties of the pipe. The bending moment is a measure of the internal forces within the pipe caused by the applied load. The bending moment can be calculated using the following equation: Bending Moment = Load x Distance Here, the load represents the external force acting on the pipe, and the distance is the distance from the point where the load is applied to the point where the bending moment is being calculated. In order to accurately calculate the bending moment, you must also consider the properties of the steel pipe. This includes the pipe's cross-sectional area, second moment of area (also known as the moment of inertia), and the modulus of elasticity. The second moment of area reflects the pipe's resistance to bending and can be calculated based on the dimensions of the pipe's cross-section. The modulus of elasticity represents the pipe's stiffness and can be obtained from material properties data. Once you have determined the load, distance, cross-sectional area, moment of inertia, and modulus of elasticity, you can plug these values into the bending moment equation to calculate the bending moment for the steel pipe. It is important to note that the calculation of bending moment assumes linear elastic behavior, which means that the pipe does not exceed its elastic limit and does not undergo plastic deformation. If the pipe is subjected to loads that exceed its capacity, the calculation of bending moment may not accurately represent the actual behavior of the pipe. In such cases, it is advisable to consult with a structural engineer or use more sophisticated analysis methods to accurately assess the bending moment.
Q:How are steel pipes used in offshore drilling platforms?
Steel pipes are used in offshore drilling platforms for various purposes. They are primarily used as conduits for the transportation of drilling fluids, such as mud and cement, to and from the drilling rig. Steel pipes are also crucial components in the construction of risers, which connect the wellhead to the drilling rig, allowing for the extraction of oil or gas. Additionally, steel pipes are utilized in the installation of subsea pipelines, which transport the extracted hydrocarbons to onshore processing facilities. Overall, steel pipes play a vital role in the efficient and safe operation of offshore drilling platforms.
Q:What are the different methods of pipe cutting for steel pipes?
There are several methods of cutting steel pipes including manual methods such as hacksaw cutting and abrasive cutting, as well as more advanced methods like plasma cutting, laser cutting, and water jet cutting. Each method has its own advantages and is selected based on the specific requirements of the project.
Q:What are the different standards and specifications for steel pipes?
There are several standards and specifications for steel pipes, including ASTM A53, ASTM A106, ASTM A333, and API 5L. These standards outline the requirements for the manufacturing, testing, and usage of steel pipes in various industries such as construction, oil and gas, and plumbing. The standards cover aspects like dimensions, mechanical properties, chemical composition, and tolerance levels to ensure the quality and reliability of the steel pipes.
Q:What are the potential health hazards associated with steel pipe installation?
Some potential health hazards associated with steel pipe installation include exposure to hazardous chemicals used in the coating or treatment of the pipes, inhalation of dust or fumes generated during cutting or welding, and physical injuries due to accidents or mishandling of heavy equipment. Additionally, improper handling or disposal of waste materials and contaminated water can pose environmental health risks. It is important to follow proper safety protocols, use personal protective equipment, and ensure proper ventilation and waste management to mitigate these hazards.
Q:What are the different types of joints used to connect steel pipes?
Some of the different types of joints used to connect steel pipes include butt joints, socket weld joints, threaded joints, flanged joints, and grooved joints.
Q:How are steel pipes used in the agriculture sector?
Steel pipes are commonly used in the agriculture sector for various purposes, such as irrigation systems, drainage systems, and structural support for farm buildings and infrastructure. They are also used for conveying water, chemicals, and other fluids, as well as for constructing fencing and livestock enclosures. Moreover, steel pipes are utilized in the construction of machinery and equipment essential for farming operations.

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