Seamless carbon steel pipes are essential in various industries, each fulfilling specific roles depending on the applicable standards. Below is a summary of their uses under different standards.
Structural seamless carbon steel pipe (GB/T8162-2008): Used for general structural and mechanical purposes.
Seamless carbon steel pipe for fluid transportation (GB/T8163-2008): Commonly used for transporting fluids like water, oil, and gas.
Seamless carbon steel pipes for low and medium pressure boilers (GB3087-2008): Ideal for manufacturing superheated steam pipes, boiling water pipes, and other components in low and medium pressure boilers.
Seamless tubes for high-pressure boilers (GB5310-2008): Made from high-quality carbon steel, alloy steel, and stainless heat-resistant steel, these pipes are used in the heating surfaces of water-tube boilers with high pressure.
High-pressure seamless carbon steel pipe for fertilizer equipment (GB6479-2000): Suitable for chemical equipment and pipelines operating at -40-400℃ and 1030Ma pressure.
Seamless carbon steel pipes for petroleum cracking (GB9948-2006): Used in furnace tubes, heat exchangers, and pipelines in petroleum refineries.
Steel pipe for geological drilling (YB235-70): Employed in geological core drilling, including drill pipes, core pipes, casing, and sedimentation pipes.
Seamless carbon steel pipe for diamond core drilling (GB3423-82): Designed for drill pipes, core pipes, and casings used in diamond core drilling.
Oil drilling pipe (YB528-65): Used in oil drilling, featuring thickened ends for enhanced durability.
Carbon steel seamless carbon steel pipe for ships (GB5312-85): Applied in pressure-resistant piping systems, boilers, and superheaters on ships, adhering to standards from various international classification societies.
Seamless carbon steel pipe for automobile axle casing (GB3088-82): Utilized in manufacturing automobile axle casings and drive axle casings.
Diesel high-pressure oil pipe (GB3093-86): Cold-drawn for high-pressure pipes in diesel injection systems.
Precision inner diameter seamless carbon steel pipes for hydraulic and pneumatic cylinders (GB8713-88): Cold-drawn or cold-rolled for manufacturing cylinders with precise inner diameters.
Cold-drawn or cold-rolled precision seamless carbon steel pipes (GB3639-83): Used in mechanical structures and hydraulic equipment, offering high dimensional accuracy and a smooth surface finish.
Structural stainless steel seamless carbon steel pipes (GB/T14975-2002): Manufactured via hot-rolling, extrusion, or cold-drawing for general structural purposes.
Stainless steel seamless carbon steel pipes for fluid transportation (GB/T14976-2002): Made from stainless steel, these pipes are used for fluid transportation.
Special-shaped seamless carbon steel pipe: A term for seamless carbon steel pipes with non-circular cross-sections, used in various structural and mechanical applications.
Seamless steel pipes for low-temperature pipelines (GB/T18984-2003): Used in low-temperature pressure vessel pipelines and heat exchanger pipelines, withstanding temperatures between -45℃ and -195℃.