API 5L X52 pipe is also known as L360 pipeline steel pipe. And they are named by the minimum yield strength 52 Ksi (360 Mpa) respectively. API 5L X52 is a medium strength grade in API 5L specification. With adequate API 5L X52 pipe properties, API 5L X52 pipe is widely used for oil and gas pipeline transmissions.
API 5L X52 pipe properties - API 5L X52 PSL1 pipe properties:
| Grade | Yield Strength | Tensile Strength |
| API 5L X52 PSL 1 | 360 Mpa | 460 Mpa |
API 5L X52 pipe properties - API 5L X52N PSL2 pipe properties:
| Grade | Yield Strength Mpa | Tensile Strength Mpa | ||
| min | max | min | max | |
| API 5L X52N PSL2 | 360 | 530 | 460 | 760 |
API 5L X52 pipe properties can also be marked by KSI units. For example, the min. yield strength of API 5L X52 pipe is 52 KSI, and the min. tensile strength of API 5L X52 pipe is 66 KSI. The max. yield to tensile ratio of API 5L X52 pipe is 0.93.
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