API Standard Oil and Gas Well Casing Tube 5B14

API Standard Oil and Gas Well Casing Tube 5B14 System 1

API Standard Oil and Gas Well Casing Tube 5B14

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 20000 m.t./month

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Specifications

Parameters		Value
Material		J55, K55, N80, N80Q, L80, P110, other grade available as your requirement
Outer Diameter		2-3/8"~4-1/2" (73.02~114.3mm)
Wall Thickness		4.83~16mm
Forms of Thread		EUE, NUE and Integral-joint
Length Range		R1(20~24ft), R2(28~32ft)
MTR		accordance with API Specification 5CT

Tolerances

Parameters		Value
Outside diameter		+-0.031 inch (0.79mm)
Wall thickness		-12.5%, positive deviations are limited by pipe weight
Weight Deviation		+6.5% /-3.5%

Mechanical Properties

Grade	Tensile Strength (PSI/MPa)	Yield Strenght (PSI/MPa)
H-40	No less than 60000(414)	Between 40000 (276) ~ 80000 (552)
J-55	No less than 75000 (517)	Between 55000 (379) ~ 80000 (552)
N-80	No less than 100000 (689)	Between 80000 (552) ~ 110000 (758)
P-110	No less than 125000 (862)	Between 110000 (758) ~ 140000 (965)

Inspection

Physical properties are checked and each length hydrostatically tested, normally to only 3,000 psi in the plain end (unthreaded) condition. The following are also checked:

Dimensions
Weights
Straightness
Lengths

Part of this inspection is to drift all lengths.
Despite all the American Petroleum Institute (API) specifications and testing, some tubing defects are still found after delivery; thus, some operators do further inspection.

Inspection Method

Size and surface inspection
NDT and pressure test and third party certication
Hydrostatic
Drifting test
Physical and chemicail analysis
Hardness and pressure test.
Electromagnetic
Magnetic particle
Ultrasonic

Dimensions and Weight

sizes

weight

Type of end

NU kg/m

EU kg/m

IJ kg/m

H40

J55

L80

N80 1/Q

C90

T95

P110

2-3/82-3/8

2-3/8

4.004.60

5.80

6.60

7.35

-4.70

5.95

7.45

–

60.3260.32

60.32

5.956.85

8.63

9.82

10.94

-6.99

8.85

11.09

–

4.244.83

6.45

7.49

8.53

PUPNU

PNPNU

PNU

PNPNU

PNU

PNPNU

PNU

PNPNU

PNU

-PNU

PNU

2-7/82-7/8

2-7/8

6.407.80

8.60

9.35

10.50

11.50

6.507.90

8.70

9.45

–

73.0273.02

73.02

9.5211.61

12.80

13.91

15.63

17.11

9.6711.76

12.95

14.06

–

5.517.01

7.82

8.64

9.96

11.18

PNU-

PNUPNU

PNU

PNUPNU

PNU

PNUPNU

PNU

PNUPNU

PNU

PNUPNU

PNU

3-1/23-1/2

3-1/2

7.709.20

10.20

12.70

14.30

15.50

17.00

-9.30

12.95

–

88.9088.90

88.90

11.4613.69

15.18

18.90

21.28

23.07

25.30

-13.84

19.27

–

5.496.45

7.34

9.52

10.92

12.09

13.46

PNPNU

PNU

PNPNU

PNU

PNPNU

PNU

PNPNU

PNU

-PNU

PNU

9.5010.70

13.20

16.10

18.90

22.20

-11.00

–

101.60101.60

101.60

14.14-

19.64

23.96

28.13

33.04

-16.37

–

5.746.65

8.38

10.54

12.70

15.49

PNPU

–

4-1/24-1/2

12.6015.20

12.75-

–

114.30114.30

18.7522.62

18.97-

–

6.888.56

PNU-

PNUP

PNU-

PNUP

–

4-1/24-1/2

4-1/2

17.0018.90

21.50

23.70

26.10

–

114.30114.30

114.30

25.3028.13

32.00

35.27

38.84

–

9.6510.92

12.70

14.22

16.00

–

P——Plain end;N—Non-upset threaded and coupled;U—External upset threaded and coupled;I—insert joint.

Q:Who knows what is the difference between double submerged arc welded pipe and longitudinal submerged arc welding?: Double submerged arc welding is also a kind of longitudinal submerged arc welding.

Q:Are steel pipes suitable for underground sewage lines?: Yes, steel pipes are suitable for underground sewage lines. They are strong, durable, and resistant to corrosion, making them an excellent choice for sewage systems.

Q:Can steel pipes be used for underground fuel pipelines?: Yes, steel pipes can be used for underground fuel pipelines. Steel pipes are commonly used for underground fuel pipelines due to their strength, durability, and resistance to corrosion, making them suitable for transporting fuel safely and efficiently.

Q:What are the different types of pipe fittings used with steel pipes?: Some of the different types of pipe fittings used with steel pipes include elbows, tees, couplings, unions, flanges, and reducers.

Q:What is the difference between steel pipes and fiberglass pipes?: Steel pipes and fiberglass pipes differ in their material composition and properties. Steel pipes are made of iron and carbon alloy, making them strong and durable. They are suitable for high-pressure applications and can withstand extreme temperatures. In contrast, fiberglass pipes are composed of glass fibers embedded in a resin matrix. They are lightweight, corrosion-resistant, and have excellent thermal insulation properties. Fiberglass pipes are commonly used in industries where corrosion or chemical resistance is required, and they are also more cost-effective for certain applications.

Q:How do steel pipes compare to other materials in terms of cost?: Steel pipes are generally more cost-effective compared to other materials due to their durability and longevity. While the initial investment may be higher, their lower maintenance and replacement costs make them a more economical choice in the long run. Additionally, steel pipes can withstand harsh environmental conditions and are less prone to corrosion, reducing the need for frequent repairs or replacements.

Q:How are steel pipes used in the construction of offshore platforms?: Steel pipes are used in the construction of offshore platforms primarily for their strength and durability. These pipes serve various purposes such as transporting fluids, providing structural support, and enabling the installation of essential equipment. They are commonly used for the fabrication of underwater pipelines, risers, and conductor casings, ensuring efficient and reliable operations in harsh marine environments.

Q:What are the different types of connections used with steel pipes?: There are several types of connections commonly used with steel pipes, including threaded connections, welded connections, flanged connections, and grooved connections.

Q:Can steel pipes be used for steam systems?: Yes, steel pipes can be used for steam systems. Steel pipes are commonly used in steam systems due to their high strength, durability, and heat resistance properties. Additionally, steel pipes can withstand high pressures and temperatures, making them suitable for transporting steam safely and efficiently.

Q:What is a valve and how is it used in steel pipes?: A valve is a device used to control the flow of fluid or gas within a system. In steel pipes, valves are used to regulate and control the flow of liquids or gases by opening, closing, or partially obstructing the passage within the pipe. They are essential for redirecting or stopping the flow, ensuring the safe and efficient operation of the steel pipe system.

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