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Length R3 Steel Well Casing Pipe API Threads BTC LTC STC Thickness 5.21-22.22mm

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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Length R3 Steel Well Casing Pipe API Threads BTC LTC STC Thickness 5.21-22.22mm


Large Image :  Length R3 Steel Well Casing Pipe API Threads BTC LTC STC Thickness 5.21-22.22mm

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 Material: Alloy Steel
Steel Grade: J55, K55, L80, N80, P110, P110-13Cr Structure: Seamless
Processing: Hot Rolled Thickness: 5.21-22.22mm
Length: R3 Application: Oil Industry
High Light:

seamless steel casing pipes


seamless drill pipe

Oilfield Alloy Steel Seamless Casing Pipe With API Threads BTC LTC STC
Description of oil casing pipe:
The oil casing pipe is mainly used for supporting the wall of the well during and after the drilling to ensure

the drilling process and the normal operation of the entire well after completion. The oil casing pipe is the

lifeline for maintaining the operation of the oil well.

1. Alloy steel seamless pipe
2. Size OD 4 1/2”-20”
Technical specification:


Standard API 5CT/ ISO11960
Grade Group.1

H40/PSL.1, J55/PSL.1, J55/PSL.2, J55/PSL.3, K55/PSL.1, K55/PSL.2, K55/PSL.3,

N80(1)/PSL.1, N80(1)/PSL.2, N80(Q)/PSL.1, N80(Q)/PSL.2, N80(Q)/PSL.3

  Group.2 M65/PSL.1, M65/PSL.3, L80/PSL.2, L80(1)/PSL.1, L80(1)/PSL.3, L80(9Cr)/PSL.1, L80(13Cr)/PSL.1, C90/PSL.1, C90/PSL.2, C90/PSL.3, T95/PSL.1, T95/PSL.2T95/PSL.3
  Group.3 P110/PSL.1, P110/PSL.2, P110/PSL.3,
  Group.4 Q125/PSL.1, Q125/PSL.2, Q125/PSL.3,
Minimum Order Quantity Negotiable
Outside Diameter Casing 4 1/2 inch to 20 inch or 114.3mm to 508mm
Wall Thickness According to API 5CT Standard
Length Casing R1 (4.88m to 7.62m), R2 (7.62m to 10.36m), R3 (10.36m to 14.63m)
Processing type Seamless
Type of End-Finish Casing P, S, B, L

Mechanical properties:

Standard Grade

Tensile Strength


Yield Strength




API SPEC 5CT J55 ≥517 379~552 0.5  
  K55 ≥655 379~552 0.5  
  N80 ≥689 552~758 0.5  
  L80 ≥655 552~655 0.5 ≤241HB
  P110 ≥862 758~965 0.5  

Length R3 Steel Well Casing Pipe API Threads BTC LTC STC Thickness 5.21-22.22mm 0


Contact Details
Puyang Zhongshi Group Co., Ltd.

Contact Person: sales

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