API 5L X42/ISO 3183 L290 Line pipe


Mill Plant: BAO STEEL
Specification: API 5L /ISO 3183
Processing: Seamless / ERW Welded /LSAW /SSAW/ HSAW
Outer Diameters for Seamless: 1/2” – 24”
OD for ERW: Up to 24”
OD for LSAW: 16” to 48”
OD for SSAW/HSAW: Up to 100”
Pipe Thickness: SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XS, SCH XXS
Pipe Length: Single Random, Double Random & Required Length, Custom Size – 12 Meter
End Finishes: Square Cut, Threaded, Coupled, Beveled

The API 5L and ISO 3183 covers seamless and welded steel line pipe for the petroleum and natural gas industries as transportation pipe conveying gas, water, and oil.

API 5L X42 or ISO 3183 Grade L290 Line pipe is the most cost-effective grade line pipe for oil and gas pipeline transmissions. WIHO Metals is a professional supplier of API 5L X42 PSL1 /PSL2 and its equivalent material ISO 3183 L290 steel pipe, we provide the line pipe from BAO STEEL with a competitive price, also processing with internal & external coating like Black paint, varnished, Fusion Bonded Epoxy(FBE) coating, 3-Layer polyethylene(3LPE) coating and all lined pipe to meet your requirements. We offer scheduled options, including schedule 40 and schedule 80 as well as non-scheduled sizes.


API 5L X42 Equivalent ASTM and ISO Material

API 5L Line pipe specifications
Material Grade PSL1 ASTM A106/A53 Grade B or ISO 3183 L290
Material Grade PSL2 L290Q






API 5L X42 PSL1 Chemical Composition

Grades C Mn P S
X42 PSL1(Seamless) 0.26 1.30 0.03 0.03
X42 PSL1(Welded) 0.22 1.30 0.03 0.03


API 5L X42 PSL2 Chemical Composition

Grades C Mn Si P S
X42R PSL2(Seamless) 0.24 1.2 0.40 0.025 0.015
X42N PSL2(Seamless) 0.24 1.2 0.40 0.025 0.015
X42Q PSL2(Seamless) 0.24 1.4 0.45 0.025 0.015
X42M PSL2(Welded) 0.22 1.2 0.45 0.025 0.015


API 5L X42 PSL1/PSL2 Mechanical Property

Grades Yield Strength Tensile Strength Elongation,%
API 5L X42 42100 60200 23



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