LSAW Steel Pipe For Oil And Gas Transmission
Products Description
Our LSAW Steel Pipe for Oil and Gas Transmission is manufactured by advanced longitudinal submerged arc welding technology, adopting high-quality carbon steel plates and processed through full-length mechanical expansion to ensure uniform pipe shape and stable internal structure. Compliant with API 5L PSL1/PSL2 international standards, this series of LSAW pipes covers multiple grades from Grade B to X80 and complete large-diameter thick-wall specifications, fully meeting the requirements of long-distance, high-pressure oil and gas transmission projects.
Product Standard & Material Grade
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Item |
Specification Details |
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Official Product Name |
LSAW Steel Pipe for Oil and Gas Transmission |
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Executive Standards |
API 5L (PSL1/PSL2), ASTM A252, ASTM A671, ASTM A672, EN 10219, ISO 9001 |
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Steel Grades |
API 5L Grade B, X42, X52, X60, X65, X70, X80; S235JR, S355JR, S460 |
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Production Process |
Longitudinal Submerged Arc Welding (LSAW), full-length mechanical expansion, internal & external double-sided welding |
Complete Product Size Specifications
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Size Item |
Parameter Range |
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Outside Diameter (OD) |
219mm - 1524mm (8 inch - 60 inch) |
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Wall Thickness (WT) |
5.0 mm-75mm |
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Standard Length |
6m, 12m, 18m, 24m (customized length available) |
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Pipe End Type |
Plain End, Beveled End (30°/37.5°), Threaded End |
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Tolerance |
Strict tolerance on OD, ovality and straightness, fully compliant with API standard |
Surface Treatment & Custom Service
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Item |
Details |
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Surface Treatment |
Black painting, varnish coating, 3LPE/2LPE anti-corrosion coating, FBE epoxy coating, coal tar enamel coating, galvanized treatment |
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Custom Processing |
Cutting, bending, grooving, threading, beveling, anti-corrosion treatment, logo printing |
Product Advantages
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Advantage Dimension |
Detailed Description |
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Superior Mechanical Performance |
Adopts double-sided submerged arc welding technology with stable weld quality. Uniform internal stress, high yield strength and impact resistance (CVN ≥27J), suitable for low temperature (-45°C), sour service and seismic zone working conditions. |
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High Dimensional Accuracy |
Full-length expansion process ensures excellent roundness, straightness and minimal residual stress, effectively reduces on-site installation errors and welding defects, improves pipeline construction efficiency. |
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High Pressure & Corrosion Resistance |
Thick wall design and premium steel materials enable excellent high-pressure bearing capacity. Custom anti-corrosion coatings adapt to harsh marine, desert and underground environments, extending pipeline service life. |
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Cost-Effective for Long-Distance Projects |
Fewer weld seams and stable structural performance reduce later maintenance costs. Long single pipe length reduces pipeline connection points, lowering construction and leakage risks for long-distance oil and gas transmission. |
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Strict Quality Control |
100% non-destructive testing (ultrasonic & phased array testing) for welds, full hydrostatic pressure test without leakage, all products come with official mill test certificate (MTC). |
Application Scope
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Application Field |
Specific Usage |
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Oil & Gas Transmission |
Long-distance onshore & offshore crude oil, natural gas, petroleum gas transmission main pipelines |
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Energy Engineering |
Oilfield gathering pipelines, gas station pipeline systems, petrochemical fluid transmission pipelines |
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Industrial & Municipal Engineering |
Large-diameter fluid transmission, pipeline piling, structural support for energy infrastructure projects |
Quality Inspection & Certification
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Inspection & Certification |
Details |
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Testing Items |
Hydrostatic pressure test, ultrasonic NDT test, radiographic test, mechanical property test (tensile, bending, impact), chemical composition analysis |
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Certifications |
API 5L Certificate, ISO 9001 Quality Management Certificate, MTC Mill Test Report, Third-party inspection (SGS/BV/TUV) available |
Packaging & Shipping & Service
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Item |
Details |
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Packaging |
Standard export seaworthy packaging, bundled with steel strips, pipe ends protected by plastic caps, waterproof canvas wrapping, suitable for long-distance sea transportation |
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Shipping Way |
By sea, by air, by truck; FCL/LCL shipping support, global port delivery |
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Service Advantage |
Free sample support, customized size & coating solution, 24/7 online inquiry, fast delivery, professional after-sales service, one-stop pipeline solution |
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