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Gas Oil Well Seamless Casing Pipe , Steel Casing Pipe Hot Rolled Technique

China Puyang Zhongshi Group Co., Ltd. certification
China Puyang Zhongshi Group Co., Ltd. certification
Recommendation is good. Reception is professional. Demo training is also very great. Wish more online training after getting the machine.2017.8.26

—— David

Thanks for your kindly hospitality. Your company is very professional , we will have nice cooperation in the near future. 2015.6.28

—— Sergey

Good company with nice service and high quality and high reputation. One of our reliable supplier , goods are delivered in time and nice package 2016.3.25

—— Steve

Thanks for your good after-sale service. Excellent training and technology support helps me a lot. 2018.4.23

—— Mostafa

Professional, very helpful, great price. Will use again for other items 2019.2.21

—— Ahmed

Thanks for zhongshi group supporting and guidence. With your help and instruction, I win more market share. 2017.9.26

—— Manuel

Nice cooperation with zhongshi group.Imperssive for your service and support. 2018.3.18

—— Luis

We are satisfied with your product's quality. We highly appreciate to see the excellent performances in production capacity and thanks for the specialist technical support from you 2018.11.16

—— Mohammed

Good company with professional service and high quality. Delivered in time. Our most trusted partner for sucker rod and OCTG pipe. 2018.7.24

—— Nicolas

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Gas Oil Well Seamless Casing Pipe , Steel Casing Pipe Hot Rolled Technique


Large Image :  Gas Oil Well Seamless Casing Pipe , Steel Casing Pipe Hot Rolled Technique

Product Details:

Place of Origin: China
Brand Name: Zhongshi
Certification: API 5CT, ISO, QHSE
Model Number: 4 1/2"-20"

Payment & Shipping Terms:

Minimum Order Quantity: 1 metric ton
Price: Negotiable
Packaging Details: Be bundled by steel strap
Payment Terms: T/T, L/C
Detailed Product Description
Standard: API 5CT Thickness: 5.21 - 22.22mm
Section Shape: Round Place Of Origin: China (mainland)
Application: Oil Drilling Technique: Hot-rolled
Alloy Or Not: Alloy Steel Secondary Or Not: Non-secondary
High Light:

seamless drill pipe


well casing pipe

API 5CT OCTG Seamless Casing Pipe 9 5/8" N80 Gas Oil Well Pipe
Description of casing pipe:

Oil casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas

wells or wellbore.


It is inserted into the well bore and cemented in the well, protect both subsurface formations and the

wellbore from collapsing, allow drilling fluid to circulate in it and extraction to take place.

1. Alloy steel pipe
2. Hot-rolled seamless pipe

Technical specification:


Product Name OCTG gas oil well pipe
Usage: Tubing is used to extracting petroleum and natural gas from a well. Casing serves as wells of a well.
Production Type : Seamless steel pipe, welding steel pipe
Parts: Casing, coupling ,thread protector
Size Range(OD): 4 1/2”-20”
Length range : R1, R2, R3
Standard: API 5CT
Material: H40, M65,J55, K55, N80,L80, L90,C90,T95,P110
API type thread: STC,LTC,BTC
Surface Treatment: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement.
Testing: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Customized Size: Non-standard size can be customized as per customer's request.


Mechanical properties:


Standard Steel grade Tensil Strength(Mpa) Yeild Strength(Mpa) Elongation(%)
API 5CT J55 ≥517 379~552 0.5%
API 5CT K55 ≥655 379~552 0.5%
API 5CT N80 ≥689 552~758 0.5%
API 5CT L80 ≥655 552~655 0.5%
API 5CT P110 ≥862 758~965 0.6%


Gas Oil Well Seamless Casing Pipe , Steel Casing Pipe Hot Rolled Technique 0


Contact Details
Puyang Zhongshi Group Co., Ltd.

Contact Person: sales

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