Carbon Steel Seamless Pipe
Carbon Steel Seamless Pipes are fundamental components in global industrial infrastructure. These pipes are produced through a process that involves piercing a solid billet to create a hollow shell without any seam, resulting in superior pressure integrity, uniform strength, and enhanced reliability for demanding applications. They are widely recognized for their performance in transporting fluids and gases, as well as in structural applications
Products Description
Product | Carbon Steel Seamless Pipe |
Manufacturing | Hot rolled, Expanded, Cold-drawn/Cold-rolled |
Standard | API 5L , ASTM A53, A106, A179, A333, GOST8732-78 |
OD | 1/2 "~ 36"(21.3~914mm) |
Thickness | 0.055 "~ 2"(1.65~50mm) |
Ends | bevel or plain or groove |
Coating | Bare, black painting, FBE, Epoxy , 3LPE,3LPP... |
Features & Advantages
Superior Structural Integrity: The absence of weld seams eliminates potential weak points, ensuring consistent mechanical properties throughout the pipe wall. This makes them ideal for high-pressure and high-temperature environments.
High Pressure & Temperature Resistance: Engineered to withstand extreme stresses, these pipes are suitable for boiler systems, steam lines, and hydraulic equipment operating under rigorous conditions.
Excellent Corrosion & Durability: Made from high-grade carbon steel (e.g., ASTM A106, A53), they offer robust resistance to corrosion and wear, ensuring a long service life even in harsh industrial settings.
Smooth Interior Surface: The seamless manufacturing process results in a smooth inner wall, significantly reducing fluid friction and flow resistance, which enhances efficiency in fluid transport systems.
Versatility in Fabrication: These pipes can be easily cut, bent, flanged, and welded to fit specific project requirements, making them adaptable for complex mechanical structures and pipeline networks.
hot rolled processing
Round Billet reciept and inspection---Shearing----Heating----Piercing----Rolling----Sizing----Straightening---Tail cutting----NDT-----Hydro test---Inspection(Chemical composition/Mechanical Property/Dimension & Visual) ---Marking/Bundling----Storage
End Finishes and Surface Treatment
End Finishes: Plain ends (for smaller diameters), beveled ends for welding (for diameters above 2 inches), threaded and coupled ends, or grooved ends. Protective plastic caps are provided.
Surface Treatment:Carbon Steel Seamless Pipe can be supplied in black (bare), painted (black, red, gray), anti-rust oiled, hot-dip galvanized, or with specialized coatings like FBE, Epoxy,3PE, 3PP anti-corrosion
Applications
Oil & Gas Industry: Used for drilling, casing, tubing, and transporting crude oil, natural gas, and refined products over long distances.
Power Generation: Essential for high-pressure boiler tubes, superheaters, and heat exchangers in thermal and nuclear power plants.
Petrochemical & Chemical Processing: Conveying corrosive fluids, gases, and chemicals under high temperature and pressure.
Mechanical Engineering: Fabrication of hydraulic cylinders, automotive components (e.g., drive shafts), and precision machinery parts.
Construction & Infrastructure: Structural supports, scaffolding, and piling in large-scale construction projects
quality control
Carbon Steel Seamless Pipes undergo stringent quality control per standard requirements:
* Hydrostatic Pressure Test
* Non-Destructive Test (Eddy Current, Ultrasonic)
* Chemical composition test
* Mechanical Property Test
* Dimension & Visual Inspection
* Third party inspection before shipment accepted also
why us
* High quality assured & Fast delivery.
* Rich experiences(23 years) in Technics/Production/Post-sales.
* Technical & full set of documents support (API 5L, ISO, MTC, ITP &MPS .etc)
shipment
