API 5L L290 line pipe is a common steel pipe, mainly used to transport natural gas, oil, water and other fluid media.
L290 line pipe is usually made of high-strength steel such as X42, X46, and X52. The manufacturing process includes hot rolling, hot expansion, cold drawing and other processes to ensure the dimensional accuracy and surface quality of the pipe.
The pressure rating of L290 carbon steel pipe can reach more than 3000 psi and can withstand high-pressure transportation media. The tensile strength of L290 seamless line pipe can reach up to more than 800MPa, with good strength and toughness.
API 5L L290 grade carbon steel pipes supplied by GNEE are available in various end connection forms, such as non-thickened ends and externally thickened ends. API 5L pipes are available in single random lengths (i.e. 4-7 meters) and double random lengths (i.e. 7-13 meters), galvanized and black finishes.
API 5L Grade L290 Carbon Steel Seamless Pipes chemical composition, Max %
| Gr. L290 | PSL-1 | PSL-2 |
| C | 0.26 | 0.22 |
| Mn | 1.30 | 1.30 |
| P | 0.03 | 0.025 |
| S | 0.03 | 0.015 |
| V | d | 0.050 |
| Nb | d | 0.050 |
| Ti | d | 0.04 |
API 5L L290 Seamless Pipe Mechanical Properties
| Yield Strength | Tensile Strength | Elongation A5 min | |||
|---|---|---|---|---|---|
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| 415 | – | 60 | – | ||
Carbon Steel Line Pipe

1) Standard: API5L ASTM ASME B36.10
2) Material: API5L X42, X46, X52, X56, X60, etc.
3) Outer diameter: 13.7mm-1219.8mm
4) Wall thickness: 2.11mm-100mm
5) Length: 5.8 meters, 6 meters, 11.6 meters, 11.8 meters, 12 meters fixed length
6) Packaging: spray painting, beveling, pipe caps, galvanized steel strapping, lifting straps and overall woven bag packaging.
GNEE has 14 steel production lines, 10 processing equipment for processing, bending, coating, heat treatment, cutting, drilling, beveling, tempering, surface treatment, etc., complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
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FAQ
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We can provide them for free, you need to bear the shipping cost.
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Can your products be customized?
Yes, we can produce and process according to your requirements.
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