API 5L X52 Seamless Pipe And ISO 3183 L360 Welded pipe
API 5LX52 seamless steel pipe is a high-strength steel pipe widely used in the oil and gas industry. It has excellent mechanical properties and corrosion resistance, and can withstand extreme working environments and high pressure conditions, so it is widely used in oil drilling, oil and gas transportation, and refineries.
API 5L X52 seamless steel pipe is made of high-strength low-carbon alloy steel. It has uniform wall thickness and excellent mechanical properties through seamless process. Its tensile strength reaches 52 Ksi (thousand pounds per square inch) and its yield strength is 42 Ksi, which has good impact and pressure resistance. In addition, API 5L L360 corrosion-resistant steel pipe also has good corrosion resistance and resistance to hydrogen-induced cracking, and can operate stably for a long time in harsh underground environments.
In the oil and gas industry, API 5L Grade X52 pipelines are widely used in oil drilling, oil and gas transportation, and refineries. In terms of oil and gas transportation, API 5L X52 high yield steel pipe is used as a transmission pipeline to transport oil and gas from the wellhead to the processing plant or end user. Its high strength and corrosion resistance ensure the safety and stability of the transportation process. In addition, in refineries, API 5LX52 seamless carbon pipes are also used to manufacture various equipment and pipelines to withstand high temperature and high pressure working environments.
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API 5L X52 Pipe Grades and Size Range
| API 5L X52 Pipe Size Range | 1/2" NB to 36" NB |
| API 5L X52 Pipe Thickness | STD, XH, SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| End Connections for Line Pipes | Plain, Bevel, Screwed, Threaded |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths |
| End | Plain End, Beveled End, Threaded |
| End Protection | Plastic Caps |
| Outside Coating | Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements |
API 5L X52 Penstock composition and properties
| API 5L-PSL 1 Chemical Requirements | ||||||||
|---|---|---|---|---|---|---|---|---|
| Grade | Composition, % | |||||||
| C max | Mn max | P | S max | V max | Nb max | Ti max | ||
| min | max | |||||||
| X52 | 0.28 | 1.4 | – | 0.03 | 0.03 | d | d | d |
| API 5L-PSL 2 Chemical Requirements | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Grade | Composition, % | ||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Other | |
| X52N | 0.24 | 0.45 | 1.4 | 0.025 | 0.015 | 0.1 | 0.1 | 0.04 | d,e,l |
| X52Q | 0.18 | 0.45 | 1.5 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l |
| API 5L-PSL 1 Mechanical Properties | |||
|---|---|---|---|
| Grade | Yield Strength Mpa | Tensile Strength Mpa | Elongation |
| X52 | 360 | 460 | c |
| API 5L-PSL 2 Mechanical Properties | ||||||
|---|---|---|---|---|---|---|
| Grade | Yield Strength Mpa | Tensile Strength Mpa | Raito | Elongation | ||
| min | max | min | max | max | min | |
| X52 | 360 | 530 | 460 | 760 | 0.93 | f |
API 5L X52 pipeline type provided by GNEE
| API 5L Grade X52 PSL2 Acid Service Pipe |
API 5L X52 DSAW |
| API 5L X52 ERW Pipe | API 5L grade x52 LSAW pipe |
| API 5L X52 PSL2 HIC TESTED Pipe | API 5L X52 China Steel Line Pipe |
| X52 Grade PSL2 Epoxy Coated Pipe |
API 5L Gr X52 Oil and gas pipes |
| X52 Galvanized steel Line Pipe |
API 5L X52 Grade Spiral welded Linepipe |
| X52 Carbon steel gas pipe |
API 5L X52 High Yield Line Pipe |
API 5L X52 Boiler Pipes standard technical requirements:
| Parameters | PSL 2 |
|---|---|
| Trade Name | API 5L X52 PSL2 |
| Steel grades | B – X120 |
| Dimensions | 114,3 – 2032,0 mm |
| Pipe ends | Plain (unless otherwise agreed) |
| Welding process | All, except laser |
| Heat treatments (M,N or Q&T) | For all grades from B through X120 |
| Chemistry defined | C/Si/Mn/P/S/V/Nb/Ti/CE2 |
| Max % C in seamless | 0,24% for N pipes, 0,18 for Q pipes, up to X65 |
| Max % C in welded pipes | 0,22% for grade BM to X56M, 0,12% for X60M to X80M |
| Max % P | 0,025% for grade B to X80M/Q |
| Max % S | 0,015% for grade B to X80M/Q |
| Carbon equivalent | The maximum established for each grade |
| Maximum yield strength | The maximum established for each grade |
| Maximum tensile stress | The maximum established for each grade |
| Charpy impact test | Required for all grades at a min. of 0°C/32°F |
| Repair of body | Not allowed |
| Repair of weld | Not allowed |
| Certification | Mandatory as per 10.1.3 |
The above table is extracted from API Specification 5L, 45th Edition.
1 Our stocks are all specified in (the higher) PSL 2 grade, killed and made according to fine grain practice.
2 Carbon mass fraction (of product analysis) equal or less than 0,12%, the carbon equivalent shall be reported as CEpcm.
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