Seamless steel pipes are formed by piercing a solid round steel rod and do not have any welds on their surface, hence the name "seamless steel pipe." Depending on the production method, seamless steel pipes can be categorized into...Hot Rolled Seamless Steel Pipe、Cold-rolled seamless steel tubes、Cold Drawn Seamless Steel PipeExtruded seamless steel tubes, jacking pipes, etc. Seamless steel tubes are divided into round and irregular shapes based on their cross-sectional shape. Irregular tubes come in various complex shapes, including square, elliptical, triangular, hexagonal, pumpkin-shaped, star-shaped, and winged pipes. Diameters range up to 900mm and as small as 4mm. Depending on their application, they differ.Thick-walled Seamless Steel PipeAndThin-walled Seamless Steel PipeSeamless steel tubes are mainly used in the oil industry.Geological Drilling PipeCracking pipes for oil, boiler pipes, bearing pipes, as well as high-precision structural steel pipes for automobiles, tractors.
Seamless steel pipes with no seams along the circumference of their cross-section. They are classified according to different production methods.Hot-rolled tubeCold-rolled tube,Cold Drawn TubeExtruded tubeJacking pipeEach has its own process specifications.
Material options include standard andCarbon structural steel(Q215-A to Q275-A and 10 to)50 steelLow-alloy steel (09MnV, 16Mn, etc.), alloy steelStainless acid-resistant steelPlease wait.
General-purpose items (used for water and gas pipelines, structural components, and mechanical parts) and specialized items (used for boilers, geological exploration, bearings, acid resistance, etc.) are divided into two categories based on their applications.
1. General-purpose seamless steel tubes are made from ordinaryCarbon structural steel、Low-alloy structural steelOrAlloy structural steelRolling, high yield, mainly used for piping or structural components for conveying fluids.
2. Offer three types of supplies based on different applications:
Supply based on chemical composition and mechanical properties.
b. Supply based on mechanical properties.
c. As perWater Pressure TestSupply. Steel pipes supplied under categories a and b, used for bearing liquid pressure, must also undergo hydrostatic testing.
3. Seamless tubes for specialized useBoiler Seamless PipeA variety of seamless steel tubes for electric use, geological use, and oil use, among others.
Seamless steel tubes feature a hollow cross-section and are extensively used as piping for conveying fluids, such as oil, gas, water, and certain solid materials. Compared to solid steel products like round bars, they have the same bending and torsional strength but are lighter in weight, making them an economical section steel.
Widely used in the manufacture of structural components and mechanical parts, such as oil drill pipes.Automotive drive shaftCircular components made from steel pipes, such as bicycle frames and steel scaffolding for construction, can enhance material utilization, simplify manufacturing processes, save materials and labor hours, and are widely used in pipe manufacturing.
