bhkerry@cnbhgt.com

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Casing Pipe

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  • Casing Pipe
  • Casing Pipe
  • Casing Pipe

›

Casing Pipe

We strictly in accordance with the ISO 9001 quality management system for on-site management, has obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc. Our products have been inspected and approved by SGS, BV, MOODY, TUBOSCOPE and other international authoritative third-party organizations 
1.Raw material inspection: dimension and tolerance check, appearance quality check, mechanical properties testing, weight check and raw materials quality assurance certificate check
2.Semi-finished goods inspection: physical and chemical inspection, leakage magnetism and ultrasonic inspection
3.Finished goods inspection: dimension and tolerance, appearance quality check and mechanical properties testing
4.Inspection before ex-factory: We arrange our QC staff to manufacture’s plant for final quality and packing inspection each time before we deliver goods to port for shipping, and the connected sales staff will be with QC staff to make sure we did everything fully and strictly meet our customers’ requirements.

Contact Us
WhatsApp：+86 13258990777
Email：bhkerry@cnbhgt.com
◉ Product Description
◉ Product Show
◉ Packaging And Shipping
◉ Application

◉ Product Description

Pipe Type:Oil casing, API 5CT casing,API Spec 5CT J55 K55 N80 L80 Casing Pipe;Seamless Steel Oil Well Casing Pipe
Outer diamater(OD):114.30mm-508mm
Wall thickness(WT):5.21mm-16.13mm
Length:R1; R2; R3
Gread：J55;K55;N80-Q;L80-1;L80-9Cr;L80-13Cr,C95，P10
Standard:API 5CT PSL1/PSL2  J55,K55,N80-1,N80-Q,
 API 5CT PSL1/PSL2  L80-1, L80-9Cr,L80-13Cr,C90, C95, P110, Q125
Thread types:STC;LTC;BTC;VAM TOP equivalent;New VAM equivalent;CS equivalent;HSC equivalent;NUE;EUE;LTC;XC
Thread: NUE, EUE, VAM, STC, LTC, BTC, XC, VAM TOP, NEW VAM,HYDRILL CS

Application: Casing Pipe is widely used for fastening oil and gas well wall or borehold, 

with bigger diameter than tubing, including surface casings, technical casings and oil layer casings.

Production technology:Plain pipe-end upsetting- Austenite treatment-Quenching-Tempering-straightening-

(Non-Destructive Testing)- Threading-Thread inspection-coupling 

MPI-phosphating-Coupling make up-Drifting-Hydrostatic testing-Measuring&Weight-Marking&Stenciling-Coating-Packing Casing and tubing-Transportation

vailable Sizes
Category: ERW, HFW or SMLS
Standards:H-40, J-55, K-55, C-75, L-80, N-80, C-95, AS-95, P-110, L80-13CR
Steel Grade: H40, J55, K55, N80
Connections
API 5CT is applicable to following connections which complied with API SPEC 5B:
• SC: Short round thread casing
• LC: Long ound thread casing
• BC: Buttress thread casing
• NU: Non-upset tubing
• EU: External upset tubing
Technical parameters of casing pipe:
SizesODWeightWTType of end
Dkg/mt
mm
mm




H40J55M65L80N80C90P110Q125
K55C951、QT95
12










12345678910111213
2004/1/29.5114.314.145.21PSPSPS–––––
2004/1/210.5114.315.635.69–PSBPSB–––––
2004/1/211.6114.317.266.35–PSLBPLBPLBPLBPLBPLB–
2004/1/213.5114.320.097.37––PLBPLBPLBPLBPLB–
2004/1/215.1114.322.478.56––––––PLBPLB
511.512717.115.59–PSPS–––––
51312719.356.43–PSLBPSLB–––––
51512722.327.52–PSLBEPLBPLBEPLBEPLBEPLBE–
51812726.799.19––PLBPLBEPLBEPLBEPLBEPLBE
521.412731.8511.1––PLBPLBPLBPLBPLBPLB
523.212734.5312.14–––PLBPLBPLBPLBPLB
524.112735.8612.7–––PLBPLBPLBPLBPLB













SizesODWeightWTType of end
Dkg/mtH40J55M65L80N80C90P110Q125
12mm
mmK55C951、QT95
12345678910111213
2005/1/214139.720.836.2PSPSPS–––––
2005/1/215.5139.723.076.98–PSLBEPSLB–––––
2005/1/217139.725.37.72–PSLBEPLBPLBEPLBEPLBEPLBE–
2005/1/220139.729.769.17––PLBPLBEPLBEPLBEPLBE–
2005/1/223139.734.2310.54––PLBPLBEPLBEPLBEPLBEPLBE
2005/1/226.8139.739.8812.7–––––P––
2005/1/229.7139.744.214.27–––––P––
2005/1/232.6139.748.5115.88–––––P––
2005/1/235.3139.752.5317.45–––––P––
2005/1/238139.756.5519.05–––––P––
2005/1/240.5139.760.2720.62–––––P––
2005/1/243.1139.764.1422.22–––––P––
2006/5/820168.2829.767.32PSPSLBPSLB–––––
2006/5/824168.2835.728.94–PSLBEPLBPLBEPLBEPLBEPLBE–
2006/5/828168.2841.6710.59––PLBPLBEPLBEPLBEPLBE–
2006/5/832168.2847.6212.06–––PLBEPLBEPLBEPLBEPLBE
717177.825.35.87PS–––––––
720177.829.766.91PSPSPS–––––
723177.834.238.05–PSLBEPLBPLBEPLBEPLBE––
726177.838.699.19–PSLBEPLBPLBEPLBEPLBEPLBE–
729177.843.1610.36––PLBPLBEPLBEPLBEPLBE–
732177.847.6211.51––PLBPLBEPLBEPLBEPLBE–
735177.852.0912.65–––PLBEPLBEPLBEPLBEPLBE
738177.856.5513.72–––PLBEPLBEPLBEPLBEPLBE
742.7177.863.5415.88–––––P––
746.4177.869.0517.45–––––P––
750.1177.874.5619.05–––––P––
753.6177.879.7720.62–––––P––
757.1177.884.9722.22–––––P––
2007/5/824193.6835.727.62PS–––––––
2007/5/826.4193.6839.298.33–PSLBEPSLBPLBEPLBEPLBE––
2007/5/829.7193.6844.29.52––PLBPLBEPLBEPLBEPLBE–
2007/5/833.7193.6850.1510.92––PLBPLBEPLBEPLBEPLBE–
2007/5/839193.6858.0412.7–––PLBEPLBEPLBEPLBEPLBE
2007/5/842.8193.6863.6914.27–––PLBPLBPLBPLBPLB
2007/5/845.3193.6867.4115.11–––PLBPLBPLBPLBPLB
2007/5/847.1193.6870.0915.88–––PLBPLBPLBPLBPLB
2007/5/851.2193.6876.1917.45–––––P––
2007/5/855.3193.6882.319.05–––––P––
2007/3/446.1196.8568.615.11–––PPPPP
2008/5/824219.0835.726.71–PSPS–––––
2008/5/828219.0841.677.72PS–PS–––––
2008/5/832219.0847.628.94PSPSLBEPSLB–––––
2008/5/836219.0853.5710.16–PSLBEPSLBPLBEPLBEPLBE––
2008/5/840219.0859.5311.43––PLBPLBEPLBEPLBEPLBE– PLBE
2008/5/844219.0865.4812.7–––PLBEPLBEPLBEPLBE
2008/5/849219.0872.9214.15–––PLBEPLBEPLBEPLBE
2009/5/832.3244.4848.077.92PS–––––––
2009/5/836244.4853.578.94PSPSLBPSLB–––––
2009/5/840244.4859.5310.03–PSLBEPSLBPLBEPLBEPLBE––
2009/5/843.5244.4864.7311.05––PLBPLBEPLBEPLBEPLBE–
2009/5/847244.4869.9411.99––PLBPLBEPLBEPLBEPLBEPLBE
2009/5/853.5244.4879.6213.84–––PLBEPLBEPLBEPLBEPLBE
2009/5/858.4244.4886.9115.11–––PLBPLBPLBPLBPLB
2009/5/859.4244.4888.415.47––– –––P––
2009/5/864.9244.4896.5817.07–––––P––
2009/5/870.3244.48104.6218.64––
––P––
2009/5/875.6244.48112.520.24––
––P––
2010/3/432.75273.0548.747.09PS–––––––
2010/3/440.5273.0560.278.89PSPSBPSB–––––
2010/3/445.5273.0567.7110.16–PSBEPSB–––––
2010/3/451273.0575.911.43–PSBEPSBPSBEPSBEPSBEPSBE–
2010/3/455.5273.0582.5912.57––PSBPSBEPSBEPSBEPSBE–
2010/3/460.7273.0590.3313.84–––––PSBEPSBEPSBE
2010/3/465.7273.0597.7715.11–––––PSBPSBPSB
2010/3/473.2273.05108.9317.07–––––P––
2010/3/479.2273.05117.8618.64–––––P––
2010/3/485.3273.05126.9420.24–––––P––
2011/3/442298.4562.58.46PS–––––––
2011/3/447298.4569.949.53–PSBPSB–––––
2011/3/454298.4580.3611.05–PSBPSB–––––
2011/3/460298.4589.2912.42–PSBPSBPSBPSBPSBPSBPSB
2011/3/465298.4596.7313.56–––PPPPP
2011/3/471298.45105.6614.78–––PPPPP
2013/3/848339.7271.438.38PS–––––––
2013/3/854.5339.7281.19.65–PSBPSB–––––
2013/3/861339.7290.7810.92–PSBPSB–––––
2013/3/868339.72101.1912.19–PSBPSBPSBPSBPSBPSB–
2013/3/872339.72107.1513.06–––PSBPSBPSBPSBPSB
1665406.496.739.53PS–––––––
1675406.4111.6111.13–PSBPSB–––––
1684406.4125.0112.57–PSBPSB–––––
16109406.4162.2116.66–P–PP–PP
2018/5/887.5473.08130.2111.05PSPSBPSB–––––
2094508139.8911.13PSLPSLBPSLB–––––
20106.5508158.4912.7–PSLBPSLB–––––
20133508197.9316.13–PSLB––––––
Remarks: P——Plain end;S—Short round thread;L—Long round thread;B—Buttress thread;E—Extreme-line.
Note: other premium connection shall be provided as per customer requirements.
Chemical compositions of casing pipe
Chemical compositions of casing pipe
StandardGradeChemical compositions(%)
API SPEC 5CTJ55CSiMnPSCrNiCuMoV
K550.34~0.390.20~0.351.25~1.50≤0.020≤0.015≤0.15≤0.20≤0.20//
N800.34~0.380.20~0.351.45~1.70≤0.020≤0.015≤0.15///0.11~0.16
L800.15~0.22≤1.000.25~1.00≤0.020≤0.01012.0~14.0≤0.20≤0.20//
P1100.26~0.3950.17~0.370.40~0.70≤0.020≤0.0100.80~1.10≤0.20≤0.200.15~0.25≤0.08
Mechanical properties of casing pipe






Mechanical properties of casing pipe
GradeTypeTotal elongation Yield strengthYield strength Tensile strength Hardness Hardness 
under load (min)Mpa(max)Mpamin MpaMax (HRC)Max (HBW)
 (%)




J55-0.5379552517--
K55-0.5379552655--
N8010.5552758689--
N80Q0.5552758689--
L8010.555265565523241
L809Cr0.555265565523241
L8013Cr0.555265565523241
C90-0.562172468925.4255
C95-0.5655758724--
T95-0.565575872425.4255
P110-0.6758965862--
Q125All0.658621034931--


◉ Product Show

Casing Pipe



◉ Packaging And Shipping

◉ Application

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◉ FAQ

Q: Are You Manufacture or Trade Company?
A: We are the professional manufacturer of pipeline products located in Tianjin，China. Welcome to contact us and visit our factory before you place orders.
Q: How do you guarantee the quality?
A: We can send free samples to you, we can accept third-party testing.
We also have test certificate, every batch goods will be testing before shipment, and the testing report will delivery to you with your goods.
Q: Can I get free samples?
A: Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.
Q: What is the MOQ? 
A: If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.
Q: Can you OEM or ODM?
A: Yes, we have a strong developing team. The products can be made according to your request

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