API 5L Seamless Line Pipe – Grade B / X42 / X52 / X60 / X65 / X70 / X80 (PSL1 & PSL2)

API 5L Seamless Steel Line Pipe

QY Pipe is a trusted supplier of API 5L seamless line pipes for oil and gas transmission pipelines. We supply the full range of grades in both PSL1 and PSL2 specifications, serving major pipeline projects across the Middle East, Southeast Asia, and Africa.

Available Grades

• Grade B – General purpose oil & gas pipelines
• X42 / X46 / X52 / X56 – Medium-strength transmission lines
• X60 / X65 – High-strength long-distance pipelines
• X70 / X80 – Ultra-high-strength large-diameter trunk lines

PSL Levels

• PSL1 – Standard quality; general pipeline service
• PSL2 – Enhanced toughness, CVN impact tested; sour service (HIC/SSC) available

Specifications

• Standard: API 5L / ISO 3183
• Type: Seamless (SMLS)
• Outer Diameter: 1/4" – 24" (DN8 – DN600)
• Wall Thickness: SCH 10 – SCH XXS
• Length: R1 (4.88–7.62m), R2 (7.62–10.97m), R3 (10.97m+)
• End Finish: Plain End (PE), Beveled End (BE)
• Coating: FBE, 3LPE, 3LPP anti-corrosion coating available

Typical Applications

• Onshore & offshore oil and gas transmission pipelines
• Natural gas long-distance trunk lines
• Subsea pipeline systems
• Gathering and distribution networks

Certifications & Testing

API 5L monogram license. EN 10204 3.1 / 3.2 MTC. HIC / SSC / NACE MR0175 testing available for sour service. Third-party inspection (SGS, BV, Lloyd's, Intertek) accepted.

MOQ: 5 Tons | Lead Time: 20–45 days | Origin: China

📧 Please specify grade, PSL level, OD, wall thickness, length, and quantity when inquiring. FOB Tianjin / CIF destination port available.