API 5L L290 Seamless Line Pipe
API 5L Grade L290 Carbon Steel Pipes are usually made of high-strength steels 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 tube .
The pressure rating of API 5L L290 steel pipe can reach more than 3000 psi and can withstand high-pressure conveying media. The inner wall of the steel pipe has been specially treated to effectively resist corrosion and oxidation and extend its service life. The tensile strength of API 5L L290 Seamless Line Pipe can reach a maximum of more than 800MPa, with good strength and toughness.
API 5L X42 (L290) pipeline steel has a minimum yield strength 290Mpa. The tensile strength of welded Steel pipe: ≥415Mpa.
ISO3183 L290 PSL1 pipe Chemical Composition
|
PSL |
Manufacturing |
C |
Mn |
P |
S |
|
PSL1 |
Seamless |
0,28 |
1,30 |
≤0,030 |
0,030 |
|
Welded |
0,26 |
1,30 |
≤0,030 |
0,030 |
L290 line pipe Mechanical Property
|
PSL |
Pipe grade |
Yield strength, Mpa |
Tensile strength, Mpa |
|
PSL1 |
L290 or X42 |
290 |
415 |
|
PSL2 |
L290N or X42N |
290-495
|
415-655
|
|
L290Q or X42Q |
|||
|
L290M or X42M |
Tolerance of out diameter for API 5L X42 (L290) pipeline steel pipe
| Out diameter mm | Out diameter of pipe end tolerance mm | |
| Seamless pipe | Welded pipe | |
| ＜60.3 | -0.8, +0.4 | |
| 60.3≤D≤168.3 | -0.4, +1.6 | |
| 168.3＜D≤610 | ±0.005D, But max.±1.6 | |
| 610＜D≤1422 | ±2.0 | ±1.6 |
| ＞1422 | As signed | |
API 5L X42 large diameter pipe
API 5L X42(L290) Line Pipe Quick Details
Standard: API SPEC 5L
Outside Diameter: 25mm-219.3mm
Wall thickness: 3.4mm-40mm
Length: 6000Mm, 12000m or specified length as required.
Type of End-Finish: Plain End, Beveled End, Treaded
Surface treatment: Tubes will be varnished (Outside only) to prevent rust.
gnee company has established long-term cooperative relationships with well-known domestic steel plants such as Chengdu Iron and Steel Group, Metallurgical Group, Baotou Steel Group, Baosteel Group, Anshan Iron and Steel Group, Tianjin Seamless, and Northeast Special Steel. Suitable for petroleum, chemical industry, electric power, metallurgy, city gas, thermal pipeline network, shipbuilding and other industries.
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