What Is API 5L Pipes?
API 5L specification covers seamless, black, plain-end steel pipe for use in the conveyance of fluids under pressure. API 5L Line Pipe in sizes NPS 1 to 26, inclusive, as given in ASME B36.10M is included. API 5L Steel Pipe having other dimensions, in this size range, may be furnished provided such pipe complies with all other requirements of this specification.This API 5L international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards.API 5L Pipe undergo tension test and conform to tensile properties such as tensile strength and yield strength. API 5L Seamless Line Pipe Hydrostatic pressure test also performed for steel samples with specified wall thickness and test pressure.
Specification
| Specification | API 5L, ASTM A1024 / A1024M, ISO 3183 |
| Scope | Covers WELDED and SEAMLESS pipe suitable for use in conveying gas, water, and oil in both the oil and natural gas industries. |
| Hot rolled seamless pipe | upto 20 inch (508 mm) Seamless pipe (hot expanding processes) : upto 40 inch 1016 mm. |
| Kinds of Steel Permitted For For Pipe Material | Open-hearth Electric-furnace Basic-oxygen |
| Hot-Dipped Galvanizing | May be ordered galvanized. |
| Manufacturing techniques |
Welded Pipe
Seamless Pipe SAW Pipe ERW Pipe |
| Sizes | Nominal Pipe Size 1/2" to 48 " O.D. Wall Thickness – Schedule 10 through 160, STD, XS, XXS. |
|---|---|
| Product Specification Level (PSL) | API 5L PSL 2 API 5L PSL 1 |
| Origin | Indian Origin, Japanese Origin, Korean Origin, European Origin, US Origin, Ukraine Origin, Russian Origin |
| Thickness | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Applications | Oil Refineries, Petrochemicals, Power Generation (Nuclear/Thermal), Steel, Sugar, Boiler Equipments, Pressure Vessels and General Engineering Purposes |
| Pipe End | Plain, Bevel, Screwed, Threaded |
| API 5L Pipes Type | Seamless / ERW / Welded / Fabricated / CDW |
| API Line Pipe Length | Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths |
| Testing and Inspection Reports | EN 10204 3.1, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, Destructive Test Report, Non Destructive Test Reports, Mill TC EN 10204 3.1, NABL Approved Lab, Chemical and Mechanical Reports, India Boiler Regulations (IBR) Test Certificate |
| Packing | API 5L GR. B Pipe Packed in Plastic Bags, Wooden Boxes, Steel Strips Bundled, or as per client Requests |
| Finishes | Bare, Oiled, Mill Varnish, Galv, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Wrap.End Finishes:Beveled, Square Cut, Threaded & Coupled. |
| Other manufacturers of API Seamless steel pipe | MSL, JSL, ISMT, USL, BAO, Lontrin, SMTM, TNRS, V&M and Wuxi |
| Value added service |
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| HS Code |
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| BS EN 10208-2:2009 | Steel pipes for pipelines for combustible fluids. Technical delivery conditions. Pipes of requirement class B. Suitable to use in maximum operating pressure over 16 bar. |
| Application & uses |
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| Test Methods |
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API 5L Pipe Grades:
| Grade L175 / A25 | 175 MPa (25.4 ksi) YS 310 MPa (45.0 ksi) UTS |
| Grade L210 / A | 210 MPa (30.5 ksi) YS 335 MPa (48.6 ksi) UTS |
| Grade L245 / B | 245 MPa (35.5 ksi) YS 415 MPa (60.2 ksi) UTS |
| Grade L290 / X42 | 290 MPa (42.1 ksi) YS 415 MPa (60.2 ksi) UTS |
| Grade L320 / X46 | 320 MPa (46.4 ksi) YS 435 MPa (63.1 ksi) UTS |
| Grade L360 / X52 | 360 MPa (52.2 ksi) YS 460 MPa (66.7 ksi) UTS |
| Grade L390 / X56 | 390 MPa (56.6 ksi) YS 490 MPa (71.1 ksi) UTS |
| Grade L415 / X60 | 415 MPa (60.2 ksi) YS 520 MPa (75.4 ksi) UTS |
| Grade L450 / X65 | 450 MPa (65.3 ksi) YS 535 MPa (77.6 ksi) UTS |
| Grade L485 / X70 | 485 MPa (70.3 ksi) YS 570 MPa (82.7 ksi) UTS |
| Grade L555 / X80 | |
| Grade X100 and X120 |
API 5L Pipe Sizes:
| JSL | MSL | BAO | ISMT | USL | Lontrin | SMTM | TNRS | V&M | Wuzi |
|---|---|---|---|---|---|---|---|---|---|
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API 5L Pipe Sizes in Inch
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| 1/2 | 1/2 | 1/2 | 1/2 | – | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
| 3/4 | 3/4 | 3/4 | 3/4 | – | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 |
| 1 | 1 | 1 | 1 | – | 1 | 1 | 1 | 1 | 1 |
| 1.25 | 1.25 | 1.25 | 1.25 | – | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 |
| 1.5 | 1.5 | 1.5 | 1.5 | – | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| 2 | 2 | 2 | 2 | – | 2 | 2 | 2 | 2 | 2 |
| 2.5 | 2.5 | 2.5 | 2.5 | – | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| 3 | 3 | 3 | 3 | – | 3 | 3 | 3 | 3 | 3 |
| 3.5 | 3.5 | 3.5 | 3.5 | – | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| – | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| – | 12 | 12 | – | 12 | 12 | 12 | 12 | 12 | 12 |
| – | 14 | 14 | – | 14 | 14 | 14 | 14 | 14 | 14 |
| – | 16 | 16 | – | – | 16 | 16 | 16 | 16 | 16 |
| – | 18 | 18 | – | – | 18 | 18 | 18 | 18 | 18 |
| – | 20 | 20 | – | – | 20 | 20 | 20 | 20 | 20 |
| – | – | 22 | – | – | 22 | 22 | 22 | 22 | 22 |
| – | – | 24 | – | – | 24 | 24 | 24 | 24 | 24 |
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