What is the equivalent of API 5L X52 PSL2?

The equivalent grade for API 5L X52 PSL2 can vary depending on the applicable standard and the specific requirements of the project. However, some commonly used equivalents for API 5L X52 PSL2 are:

EN 10208-2 L360MB

ISO 3183 L360N/L360Q

ASTM A53 Grade B

ASTM A106 Grade B

DIN 17172 StE 360.7TM

While these grades may have similar chemical and mechanical properties, they may not be exact equivalents. It's crucial to consult the relevant standards and technical specifications to determine the appropriate equivalent grade for your specific application.