API 5L X52 PSL2 carbon steel petroleum pipes are commonly used to transport crude oil, refined products, and natural gas through pipelines. API 5L pipes are also used in the construction of refineries, natural gas processing plants, and other critical facilities.
The "X" in API 5L X52 represents the minimum yield strength, which is 52000 psi, and its minimum ultimate tensile strength is 66000 PSI. In addition, it has a minimum elongation of 21%, a density of 7850 kg/m³, and a melting point of 1420-1460°C.
Mechanical Properties Tensile and Yield of API 5L X52 PSL2 Pipe
| Pipe Grade | Tensile Properties – Pipe Body of SMLS and Welded Pipes PSL 2 | Seam of Welded Pipe | |||||
|---|---|---|---|---|---|---|---|
| Yield Strength a | Tensile Strength a | Ratio a,c | Elongation | Tensile Strength d | |||
| Rt0,5 PSI Min | Rm PSI Min | R10,5IRm | (in 2in) | Rm (psi) | |||
| Af % | |||||||
| Minimum | Maximum | Minimum | Maximum | Maximum | Minimum | Minimum | |
| X52N,X52Q,X52M | 52,200 | 76,900 | 66,700 | 110,200 | 0.93 | f | 66,700 |
| a. For intermediate grade, refer to the full API5L specification. | |||||||
| b. for grades > X90 refer to the full API5L specification. | |||||||
| c. This limit applies for pies with D> 12.750 in | |||||||
| d. For intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determined for the pipe body using foot a. | |||||||
| e. for pipe requiring longitudinal testing, the maximum yield strength shall be ≤ 71,800 psi | |||||||
| f. The specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be determined using the following equation: | |||||||
API 5L PSL2 X52 carbon steel tube
