Minerals & Metallurgy Carbon Steel Steel Pipes Seamless Steel Pipes

API 5L Seamless Oil Casing Pipe 114.3-508mm OD with J55 K55 N80 L80 P110 Grades

Name: API 5L Seamless Oil Casing Pipe 114.3-508mm OD with J55 K55 N80 L80 P110 Grades
Brand: Puyang Zhongshi Group Co., Ltd.

High-performance seamless casing pipe meeting API 5CT standards for oil well applications. Available in diameters from 114.3mm to 508mm with multiple steel grade options including J55, K55, N80, L80, and P110. Features tensile strength up to 862 MPa and yield strength up to 965 MPa for reliable well support and long-term operation.

Steel grade J55, K55, L80, N80, P110

Place of Origin China

Packaging Details Be bundled by steel strap

Model Number 4 1/2"-20"

Certification API 5CT, ISO, QHSE

Brand Name Zhongshi

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Product Description

API 5L J55 K55 N80 L80 P110 Oil Casing & Tubing

Seamless casing pipe designed for supporting oil well walls during and after drilling operations, ensuring drilling process integrity and long-term well functionality.

Key Features

Length range R3 (10.36m to 14.63m)
API 5CT seamless pipe construction
Multiple steel grade options available
Standard end-finish types: P, S, B, L

Technical Specifications

Standard	API 5CT / ISO 11960
Outside Diameter	4 1/2 inch to 20 inch (114.3mm to 508mm)
Wall Thickness	According to API 5CT Standard
Length Options	R1 (4.88m-7.62m), R2 (7.62m-10.36m), R3 (10.36m-14.63m)
Processing Type	Seamless
End-Finish Types	P, S, B, L
Minimum Order Quantity	Negotiable

Steel Grade Classification

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.2, T95/PSL.3
Group 3	P110/PSL.1, P110/PSL.2, P110/PSL.3
Group 4	Q125/PSL.1, Q125/PSL.2, Q125/PSL.3