• API Standard Oil and Gas Well Casing Tube K55 System 1
  • API Standard Oil and Gas Well Casing Tube K55 System 2
  • API Standard Oil and Gas Well Casing Tube K55 System 3
API Standard Oil and Gas Well Casing Tube K55

API Standard Oil and Gas Well Casing Tube K55

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
20000 m.t./month

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Item specifice

Standard:
API
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Black
Steel Grade:
Q195
Certification:
API
Thickness:
5.21 - 16.13 mm
Length:
6M
Net Weight:
9.5

casing pipe for oilfield


API 5CT Q125 Casing Pipe|Olifield Casing Pipe


roduct: API 5CT oil casing pipe

Grade: Q125-1,Q125-2,Q125-3,Q125-4.

             H40.J55.K55.N80.C75.L80.C90.T95.P110.

OD: 114.3mm to 508mm

Wall thickness: 5.12mm to 16.13mm

Length: R1(4.86-7.62M). R2(7.62-10.36M). R3(10.36-13Meters)


Thread: STC.BTC.LTC

Standard: API 5CT

Technical: Hot Rolled

Type: Seamless alloy API pipe


Surface treatment: blank oil painting+green/red/white/brown painting

Packing: Coating and steel thread protector,3tons in a bundle packed by steel strip

Third party inspection: BV|SGS|TUV

Usage:  oil pipeline, oil natural gas, industrial gas, water transportation


Certificate:
API 5CT,Russian Certificate,ISO,CCS


                       


                       

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


  • Out DiameterweightGradeThreadLength
    inmmkg/mlb/ft
    4-1/2"114.314.14-22.479.5-15.10      Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    5"12717.11-35.8611.5-24.10Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    5-1/2"139.720.83-61.1414-22.22Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    6 5/8"168.2829.76-47.6220-32Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    7"177.825.3-84.9717.00-57.10Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    7-5/8"193.6835.72-82.324.00-55.30Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    8-5/8"219.0835.72-72.9224.00-49.00Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    9-5/8"244.4848-112.5032.30-75.62Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    10-3/4"273.0548-12732.75-85.30Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    11-3/4"298.4562.50-10542.00-71.00Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    13-3/4"339.7271.43-107.1548.00-72.00Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    16"406.4096.73-162.2165.00-109.0Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    18-5/8"473.08130.2187.50Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    20"508.00139.89-197.994.00-133.00Q125-1,Q125-2,Q125-3,Q125-4STC/LTC/BTC/XCR1/R2/R3
    Remarks:
    1 R1:  4.86M-7.62M   R2: 7.62M-1036M  R3:10.36M-12M
    2  Standard: API 5CT
    3 Grade: H40/J55/K55/N80/C75/L80/C90/T95/P110/Q125


    Our service:  


    1): Durable, strict quality management and control, production follow the ISO.
    2): Advanced precision casing pipe equipment to guarantee prime quality.
    3): Casing pipe with smooth surface. No defects. Continuous skill  improvements.
    4): Short delivery, competitive good offer. Casing pipe MOQ is low.
    5): Third party Inspection for casing pipe can be TUV/SGS/BV

    6): Company design team always think how develop new skill and new products to meet requirements of markets.
    7): Good service, IF customers have any  problem during application, we will surely try our best to solve them.
    8): Regular thread is STC/LTC/BTC or as client's requirement.

    9): Surface treatment can be painted, or based on the requirements of customers.



Q:What does cathodic protection of steel tubes mean?
Applied current: a macro cell consisting of a protected metal piece and an insoluble auxiliary component. The negative electrode of the battery is connected to the metal to be protected. The power supplies the electrons so that the metal is not corroded by missing points.
Q:What are the different types of steel pipe connections for steam pipelines?
There are several types of steel pipe connections commonly used for steam pipelines. These include threaded connections, flanged connections, welded connections, and grooved connections. Each type has its own advantages and is chosen based on factors such as the pipe size, pressure, and temperature requirements, as well as the ease of installation and maintenance.
Q:Will the steel tube dance?
Pole dancer performing double pole dance performance is much higher than single pole dancing difficult, because not only refers to the double pole dance together the two pole dance, two people should pay attention to the dance and tube movement, if two people do not fit to dance moves and skills on the tube action, you jump you. I jump, that wasn't a real double pole dance, dance like a double tube. If the two dance movements and pipe movements are not good enough or not natural enough, they will destroy the effect of the whole dance and make the audience feel that the dance is chaotic and not beautiful, so it is better to see a single pole dance. But the dancer's double pole dance performance is good, more powerful than single pole dance, and more aesthetic and artistic.
Q:Are steel pipes suitable for conveying fluids?
Yes, steel pipes are suitable for conveying fluids. They are widely used in various industries for transporting liquids and gases due to their high strength, durability, and resistance to corrosion.
Q:Can steel pipes be used for structural supports?
Yes, steel pipes can be used for structural supports. Steel pipes are strong, durable, and have high load-bearing capacity, making them suitable for providing structural support in various applications such as buildings, bridges, and infrastructure projects.
Q:How are steel pipes used in the manufacturing of power distribution systems?
Steel pipes are commonly used in the manufacturing of power distribution systems as they provide a reliable and durable solution for transporting and protecting electrical cables. They are used to create conduits that house the cables, ensuring safe and efficient transmission of electricity throughout the system. Steel pipes also offer resistance to corrosion, fire, and extreme weather conditions, making them a suitable choice for power distribution systems.
Q:What are the factors to consider when designing a steel pipe system?
When designing a steel pipe system, several factors need to be considered. Firstly, the intended purpose of the system and the materials that will be transported through it are crucial. This determines the required pipe diameter, thickness, and material type to ensure compatibility and prevent corrosion or leakage. Secondly, the operating conditions, such as temperature, pressure, and flow rate, must be examined to select pipes with suitable strength and resistance properties. Additionally, factors like environmental conditions, including soil characteristics and exposure to chemicals or natural elements, should be evaluated to determine the necessary protective coatings or insulation. Lastly, considerations like installation requirements, regulatory compliance, and maintenance accessibility should be taken into account to design a practical and efficient steel pipe system.
Q:What is the impact of temperature on steel pipes?
The impact of temperature on steel pipes can vary depending on the specific conditions and application. Generally, high temperatures can cause steel pipes to expand, potentially leading to buckling or distortion. On the other hand, extremely low temperatures can make steel pipes more brittle and prone to cracking. It is crucial to consider the temperature range within which the steel pipes will operate to ensure their structural integrity and prevent any potential failures.
Q:How are steel pipes used in the defense sector?
Steel pipes are used in the defense sector for various purposes such as constructing military infrastructure, including bunkers, underground facilities, and missile silos. They are also utilized in the manufacturing of military vehicles, weapons systems, and equipment. Steel pipes provide strength, durability, and resistance to extreme conditions, making them ideal for applications in the defense sector.
Q:Why should the weak electricity be pre buried with galvanized steel pipe?
Galvanized steel is widely used in construction, machinery, coal, chemical industry, railway vehicles, automobile industry, highway, bridge, container, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.

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