API Standard Oil and Gas Well Casing Tube K55

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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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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

Product Description:

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.



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Q:25 of the steel pipe with 6 in charge of what is the difference?
25 of the steel pipe with 6 in charge of the difference:25 of the steel pipe refers to the DN25 tube, the outer diameter of 25mm; 6, in charge of refers to DN20 steel pipe, the outer diameter is 20mm.
Q:What kind of argon arc welding wire is used for 16Mn steel pipe?
16Mn steel belongs to carbon manganese steel, the content of carbon is about 0.16%, and the yield point is equal to 343MPa (strength grade is 343MPa). 16Mn steel alloy content is less, good weldability, welding generally without preheating. But because the 16Mn steel hardened tendency is slightly larger than the low carbon steel, so at low temperatures (such as winter outdoor operations) or welding in high rigidity, large thickness of the structure, in order to prevent the cold crack, need to take measures to preheat.
Q:What place must use galvanized steel pipe to make lighting line?
Zinc plating has the advantages of uniform coating, strong adhesion, long service life and so on. The plating solution of galvanized steel matrix and melting the occurrence of complex physical and chemical reaction, the formation of the structure corrosion resistance of Zn Fe alloy layer closely. The alloy layer is integrated with the pure zinc layer and the steel pipe matrix. Therefore, corrosion resistance, submit amendmentsTherefore, under the water or the environment is more humid, it is recommended to use galvanized steel pipe to make the lighting pipe.
Q:What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?
Carbon steel is relatively alloy steel. Its carbon content is higher than alloy steel, and 20# steel is one kind of carbon steel.
Q:Which is cheaper, angle iron or steel pipe?
Angle iron and steel pipe, angle iron is cheap.
Q:What is the size of seamless steel tube DN150?
Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.
Q:What quota should be installed for heating seamless steel pipe?
Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials.
Q:Material of welded steel pipe
GB/T14980-1994 (large diameter welded pipe for low pressure fluid delivery). Mainly used to transport water, sewage, gas, air, heating, steam and other low-pressure fluid and other uses. Its representative material is Q235 grade a steel.GB/T12770-1991 (stainless steel welded pipe for mechanical structure). Mainly used in machinery, automobiles, bicycles, furniture, hotels and restaurants, decorations and other mechanical parts and structures. Its representative material 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb and so on.
Q:Does seamless steel tube have a bend of 135 degrees?
In engineering, it is usually marked as "45 elbow" and has no "135" mark. The angle of the elbow is acute, so there will be no more than 90 degrees elbow.
Q:Are galvanized steel tubes the same as degaussing steel tubes?
Degaussing steel tubeThe degaussing method specifies the following demagnetization in the established process document

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