API SPEC 5L specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipe for use in pipeline transportation systems in the petroleum and natural gas industries. API 5L PSL 1 X42(L290) Line Pipe API 5L PSL 2 X42(L290)Line Pipe.
API 5L X42(L290) Line Pipe
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
Chemical Composition for API 5L PSL 1 X42(L290) Pipe with t ≤25.0 mm (0.984 in.)
| Grade | Chemical Composition,% | |||||||
| C | Mn | P | S | V | Nb | Ti | ||
| max | max | min | max | max | max | max | max | |
| Seamless Pipe | ||||||||
| L290 or X42 | 0.28 | 1.30 | - | 0.030 | 0.030 | – | – | – |
| Welded Pipe | ||||||||
| L290 or X42 | 0.26 | 1.30 | - | 0.030 | 0.030 | – | – | – |
Note:Cu≤0.50 %; Ni≤0.50 %; Cr≤0.50 % and Mo≤0.15 %.
Nb + V + Ti ≤0.15 %.
