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Coiled Line Pipe

Carbon Steel Coiled Tubing - CT55 to CT130 +
Corrosion-Resistant Alloyed Coiled Tubing +
Coiled Line Pipe -
Reinforced Thermoplastic Pipe (RTP) +
Multi-Channel Coiled Tubing +
Cable/Optical Fiber Injection E-Coiled Tubing +

Coiled Line Pipe

Product Introduction

Coiled line pipe is a high-strength, welded continuous pipeline designed for oil and gas transportation. Its long-length design minimizes the need for connections, reducing potential leak points. The flexibility of coiled line pipe allows for efficient installation in onshore and offshore environments, making it ideal for deep wells, high-pressure applications, and subsea operations.

 

Pipe Body Diameter Tolerance of Coiled Line Pipe

Size(mm) Tolerance(mm)
≥60.3 -0.8mm ，+0.4mm
≥60.3且≤88.9 ±0.75%D

 

Wall Thickness Tolerance of Coiled Line Pipe

Specified wall thickness Tolerance(mm)
All Wall Thickness -10% ，+10%

 

Diameter Tolerance At Pipe Ends of Coiled Line Pipe

Size(mm) Tolerance(mm)
≤88.9 -0.4mm，+1.6mm
Diameter tolerance at pipe ends refers to the diameter tolerance for a distance of 101.6mm from the pipe ends

 

Chemical Composition Requirement of Coiled Line Pipe

Grade C(max) Mn(max) P(max) S(max)
X52C 0.15 1.35 0.020 0.010
X56C 0.15 1.35 0.020 0.010
X60C 0.15 1.45 0.020 0.010
X65C 0.15 1.45 0.020 0.010
X70C 0.15 1.45 0.020 0.010
X80C 0.15 1.45 0.020 0.010
X90C 0.15 1.45 0.020 0.010

 

Tensile Property Requirement of Coiled Line Pipe

Grade Yield strength Tensile strength
(min) (min) (min)
psi MPa psi MPa psi MPa
X52C 52000 359 66000 455 110000 758
X56C 56000 386 71000 490 110000 758
X60C 60000 414 75000 517 110000 758
X65C 65000 448 77000 530 110000 758
X70C 70000 483 80000 551 110000 758
X80C 80000 551 88000 607 120000 827
X90C 90000 621 98000 676 120000 827

 

Coiled Line Pipe

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