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API 5L X52 Seamless Oil Pipeline Steel Pipe
API 5L X52 (also known as L360) seamless steel pipe is a medium-grade line pipe used primarily for oil and gas pipeline transmissions. It features a minimum yield strength of 52 ksi (360 MPa). Available in PSL1 and PSL2 specifications, it supports various wall thicknesses (SCH10 to XXS) and outer diameters from 13.7mm to 610mm. The pipe undergoes rigorous testing including chemical analysis, mechanical properties, hydraulic testing, and X-ray inspection to ensure reliability in harsh environments.
ASTM: A106 Gr.B (Similar Grade)JIS: ST42/ST52GB: L360
MaterialAPI 5L PSL1 / API 5L PSL2 / ISO 3183
ThicknessSCH10 - XXS (Wall Thickness)
WidthN/A (Pipe Diameter)
LengthSingle Random Length (SRL) or Double Random Length (DRL), or Custom Length
MOQ1 Ton
Lead Time7-15 days
PortShanghai / Tianjin
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | API 5L PSL1 / API 5L PSL2 / ISO 3183 | Standard | API 5L PSL1 / API 5L PSL2 / ISO 3183 |
| Thickness Range | SCH10 - XXS (Wall Thickness) | Width Range | N/A (Pipe Diameter) |
| Length Range | Single Random Length (SRL) or Double Random Length (DRL), or Custom Length | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.26 (PSL1), ≤0.22 (PSL2) | Si | N/A |
| Mn | ≤1.40 | P | ≤0.030 (PSL1), ≤0.025 (PSL2) |
| S | ≤0.030 (PSL1), ≤0.015 (PSL2) | Yield Strength | ≥360 MPa |
| Tensile Strength | ≥455 MPa | Elongation | ≥21% |
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