High Strength
L360 pipeline pipe is a high-strength pipe with a minimum yield strength of about 360 MPa, corresponding to X52 in the API 5L system and L360 in the ISO 3183 designation. It can withstand greater pressure and tension than lower grades and has good structural stability, allowing reduced wall thickness for the same operating pressure.
Corrosion Resistance
L360 pipeline pipe is made of carbon-manganese steel with microalloying and can resist erosion by a variety of corrosive media when combined with appropriate coatings and cathodic protection. For aggressive environments, sour-service variants with hardness limits and cracking-resistance requirements are available, and the base material provides a clean, weldable surface for the protective coating system.
Low-Temperature Toughness
L360 line pipe has good toughness, with PSL2 grades requiring Charpy impact testing that verifies resistance to brittle fracture at low service temperatures. This makes it suitable for pipelines in cold regions and offshore service where impact loading and low temperatures are design drivers.
Reliability and Safety
L360 pipeline pipe undergoes strict production process and quality control, with stable and reliable quality and a long service life. It has good sealing performance and strength, withstands greater pressure, and is not prone to leakage and failure, giving high operational safety.
Easy Installation and Efficient Transport
L360 line pipe has high connection strength and stability with tight interfaces, making installation easy and quick and reducing installation time and labor costs. Its smooth internal wall and small friction resistance reduce energy loss during fluid conveying and improve conveying efficiency, supporting large-flow and long-distance oil and natural gas transmission.
Frequently Asked Questions
Q: What is the yield strength of L360?
A: About 360 MPa minimum, equal to API 5L X52.
Q: What is the ISO designation of X52?
A: L360 per ISO 3183.
Q: Is L360 suitable for cold regions?
A: Yes, with PSL2 impact-tested grades for low-temperature toughness.
Q: How does L360 reduce transport energy loss?
A: Its smooth internal wall and low friction improve conveying efficiency.
Q: What makes it safe?
A: Strict quality control, good sealing, and verified strength under pressure.
Q: What are the main applications?
A: Oil and natural gas gathering, transmission, and distribution pipelines.
For L360 line pipe quotations with your required size and PSL level, contact our sales team.





