API Oil Pipe

Product Introduction

Technical Specifications


  • Material Grade: API 5CT (J55, K55, N80, L80, P110), API 5L (Grades B, X42–X80)

  • Types:

    • Casing Pipe: Supports the borehole wall

    • Tubing Pipe: Transports oil/gas from well to surface

    • Line Pipe: Transports crude oil and gas over long distances

  • Size Range:

    • OD: 1.9" – 20" (48.3mm – 508mm)

    • Wall Thickness: As per API standard (varies with grade)

    • Length: R1 (4.88–7.62m), R2 (7.62–10.36m), R3 (10.36–14.63m)

  • End Connections: Plain end, threaded & coupled, premium connections

  • Surface Treatment: Phosphated, painted, or coated per API requirements


Mechanical & Performance Properties


  • Tensile Strength: 517–758 MPa (grade dependent)

  • Yield Strength: 379–655 MPa

  • Elongation: ≥ 15%

  • Collapse Resistance: High performance under wellbore pressure

  • Impact Resistance: Withstands shock and vibration in drilling operations

  • Corrosion Resistance: Optional internal coatings or alloy grades for sour service

  • Testing: Hydrostatic test, drift test, NDT (UT, MPI) as per API standards


Product Real Shot



Packaging and Shipping



Applications & Advantages


Applications:

  1. Oil well casing to maintain borehole integrity

  2. Tubing for extracting hydrocarbons

  3. Long-distance crude oil and gas transmission lines

  4. Offshore and onshore drilling operations

Advantages:

  • Meets strict API specifications for safety and reliability

  • Suitable for extreme downhole conditions

  • Wide range of steel grades to match different well conditions

  • High resistance to pressure, collapse, and corrosion

  • Customizable lengths and end connections for different rigs



FAQ


Q1: What product information must I provide before making a purchase?

A: Please provide the material, size, surface treatment requirements, and the quantities you need.

Q2: What about product pricing information?
A: Prices may vary due to fluctuations in raw material costs.

Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.

Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.

Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.

Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.


Recommended Products
Message
NameRequiredNameWrong Format
TelRequiredTelWrong Format
EmailRequiredEmailWrong Format
MessageRequired

Shandong Zhongji Metal Products Co., Ltd.