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: Can steel pipes be used for stadium construction?: Certainly, stadium construction can utilize steel pipes. Steel pipes possess several benefits that render them suitable for this purpose. Primarily, steel pipes exhibit immense strength and durability, enabling them to withstand heavy loads and provide structural stability to large structures such as stadiums. Their high tensile strength ensures they can resist bending or breaking under pressure. Moreover, steel pipes possess resistance to corrosion, a crucial characteristic for outdoor structures like stadiums that are exposed to diverse weather conditions. This resistance to rust and other forms of degradation guarantees the stadium's longevity. Additionally, steel pipes are highly versatile and can be easily fabricated into various shapes and sizes, allowing for customized designs and efficient installation. Furthermore, in terms of cost-effectiveness, steel pipes prove advantageous in stadium construction. They can be produced in large quantities with ease, making them readily available and affordable. The simplicity of transportation and installation also contributes to their cost-effectiveness. Another advantage of employing steel pipes in stadium construction lies in their sustainability. Steel is a recyclable material, and utilizing steel pipes promotes environmental responsibility. The recyclability of steel reduces the demand for new materials and minimizes waste. To summarize, due to their strength, durability, resistance to corrosion, versatility, cost-effectiveness, and sustainability, steel pipes can indeed be utilized for stadium construction.

Q: What is the theoretical weight per square meter of the steel pipe diameter of the outer frame and the thickness of the tube wall 3mm 48mm?: The outer steel tube diameter is 48mm, the tube wall thickness is 3mm, the theoretical weight per meter is 3.3291kgCalculation formula: (outside diameter wall thickness) * wall thickness *0.02466(48-3) *3*0.02466=3.3291kg

Q: What is the difference between steel pipes and PVC pipes?: The main difference between steel pipes and PVC pipes lies in their material composition. Steel pipes are made of a durable and strong metal alloy, while PVC pipes are made of a lightweight and flexible plastic called polyvinyl chloride. Steel pipes are typically used for heavy-duty applications that require high strength and resistance to extreme temperatures and pressure, such as in industrial settings or for transporting liquids or gases over long distances. On the other hand, PVC pipes are commonly used for residential and commercial plumbing systems due to their affordability, ease of installation, and resistance to corrosion. Additionally, PVC pipes are not suitable for high-pressure applications and have a lower heat tolerance compared to steel pipes.

Q: How much is 4 inches steel tube MM?: 1 inches =25.4 mm;4 inches =101.6 mm;The specification of steel pipe is usually nominal size;

Q: What is the cost of steel pipes compared to other pipe materials?: The cost of steel pipes compared to other pipe materials can vary depending on several factors including the size, grade, and availability of the specific pipe materials. However, in general, steel pipes tend to be more cost-effective compared to other pipe materials. This is because steel is a widely available and versatile material that can be easily manufactured and fabricated into various pipe sizes and shapes. Compared to materials like copper, stainless steel, or plastic, steel pipes are often more affordable due to their lower manufacturing costs. Additionally, steel pipes have a longer lifespan and superior durability, which makes them a cost-effective choice in the long run. They are resistant to corrosion, withstand high pressure and temperature, and can be used in a wide range of applications including plumbing, construction, and infrastructure projects. It is important to note that the cost of steel pipes can still vary depending on market conditions, demand, and location. However, overall, steel pipes are generally considered to be a cost-effective option compared to other pipe materials.

Q: What is the difference between hot-rolled and cold-rolled steel pipes?: Hot-rolled steel pipes are manufactured by heating the steel billets or coils to a high temperature, which allows for easier shaping and forming. The hot-rolled process also results in a rougher surface finish and larger tolerances. In contrast, cold-rolled steel pipes are made by rolling the steel at a lower temperature, resulting in a smoother surface finish, tighter tolerances, and improved strength and durability.

Q: How many meters per ton of steel tube?: General scaffolding tube diameter 40mm, specifications specify wall thickness of 3.5mm, the actual wall thickness of 3.2 - 3.4mm.The theoretical weight per meter is 3.85kg and the wall thickness is 3mm.Hence a ton of steel is about 260m.

Q: How are steel pipes used in the manufacturing of shipbuilding?: Steel pipes are widely used in shipbuilding for various purposes such as the transportation of fluids, gases, and air systems, as well as structural applications. They are commonly used for the construction of ship hulls, bulkheads, and decks, providing strength and durability to withstand the harsh marine environment. Steel pipes are also used in the installation of various systems onboard, including fuel, water, and sewage systems, as well as ventilation and firefighting systems. Overall, steel pipes play a vital role in the construction and operation of ships, ensuring their functionality and safety.

Q: Are steel pipes suitable for industrial applications?: Yes, steel pipes are highly suitable for industrial applications. Steel pipes offer several advantages that make them the preferred choice for various industries. Firstly, steel pipes have excellent strength and durability, making them capable of withstanding high pressure and heavy loads. This makes them ideal for applications involving transportation of liquids, gases, and solids. Additionally, steel pipes have a high resistance to corrosion, which is crucial in industrial environments where exposure to harsh chemicals, moisture, and extreme temperatures is common. The corrosion-resistant properties of steel pipes ensure a longer lifespan and reduce the need for frequent maintenance and replacements. Moreover, steel pipes have a smooth interior surface, which minimizes friction and allows for efficient flow of materials. This is especially important for industries such as oil and gas, where the smooth flow of fluids is essential for proper operations. Furthermore, steel pipes are available in a wide range of sizes and thicknesses, allowing for customization and flexibility in design. They can be easily welded and connected, enabling easy installation and modification as per the specific requirements of industrial applications. Overall, steel pipes offer a combination of strength, durability, corrosion resistance, and versatility, making them highly suitable and widely used in various industrial applications such as oil and gas, construction, water treatment, power generation, and chemical processing.

Q: What is the lifespan of a steel pipe?: The lifespan of a steel pipe can vary depending on various factors such as its quality, maintenance, and usage conditions. However, with proper care and maintenance, a well-made steel pipe can last for several decades or even more.

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