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Jul 15, 2026Spiral Submerged Arc Welded Pipes for Foundation PilingSSAW piling pipes are cost-effective structural steel pipes used for deep foundations, bridges, marine projects, and retaining systems. Manufactured from hot-rolled steel coils wit -
Jul 09, 2026SSAW Pipe for Water TransmissionSSAW (Spiral Submerged Arc Welded) pipe is a cost-effective large-diameter steel pipe solution for water supply, transmission, irrigation, and infrastructure projects. Made from sp -
Jun 18, 2026Special Drift Casing API 5CT P110API 5CT P110 special drift casing is a high-strength casing designed for deep wells and HPHT applications. It has a yield strength of 758–965 MPa and is produced with full-length q -
Jun 16, 2026Special Drift for API 5CT Casing & TubingA special drift is a customized cylindrical drift mandrel for API 5CT casing and tubing, designed in accordance with API 5CT, API RP 5A5 and ISO 11960 standards to verify internal -
Jun 09, 2026what is the difference between n80 and l80 tubingAPI 5CT N80 and L80 tubing are two widely used OCTG grades, each optimized for different well conditions. N80 is designed for high-strength applications in medium to deep wells wit -
Jun 02, 2026What is the difference between API 5CT and API 5LAPI 5CT regulates wellbore casing and tubing for oil/gas drilling, while API 5L specifies line pipes for long-distance oil/gas transmission. -
May 21, 2026What material is used for wind turbine towersMost wind turbine towers are constructed from tubular steel, whereas taller wind turbines frequently utilize reinforced concrete or hybrid steel-concrete structures. -
May 19, 2026The inspection content of DN800 steel pipesInspection of DN800 steel pipes involves a comprehensive evaluation of dimensional tolerances, material properties, and surface integrity, reinforced by advanced non-destructive te -
May 11, 2026Line Pipe vs Pipeline: Differences, API 5L Standards, Uses and MaterialsLine pipe refers to the steel pipe material used to build pipeline systems (such as oil pipelines). Pipeline (pipeline system) is a complete transportation network composed of pipe -
May 07, 2026What Is the Difference Between API 5L X60 and X65 Line PipeAccording to API 5L and ISO 3183, API 5L X60 has a minimum yield strength of 415 MPa (60 ksi), while X65 is stronger at 450 MPa(65 ksi). X65’s superior strength allows for thinner -
May 06, 2026What are the different types of Octg pipesOCTG (Oil Country Tubular Goods) are primarily classified into three types: Casing, used to reinforce the wellbore and prevent collapse; Tubing, used to transport oil and gas from -
Apr 27, 2026What is the difference between API 5L Grade A and Grade BAPI 5L Grade B has higher minimum yield (245 MPa vs 207 MPa) and tensile strength (≥415 MPa vs ≥310 MPa) than Grade A. With better weldability and toughness, Grade B is widely used





