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Seamless Steel Pipe is divided into the following varieties due to their different uses:
It is mainly used for general and mechanical structures. It's representative materials (brands): carbon steel 20, 45 steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo and so on.
Cold Drawn Seamless Steel Pipe
Mainly used in engineering and large-scale equipment to transport fluid pipelines. Representative materials (brands) are 20, Q345 and so on.
(Seamless steel pipe for low and medium pressure boilers). Mainly used in industrial boilers and domestic boilers to transport low and medium pressure fluid pipelines. Representative materials are 10 and 20 steel.
(Seamless steel pipe for high pressure boiler). Mainly used in power station and nuclear power station boilers which are resistant to high temperature and high pressure fluid transfer headers and pipes. Representative materials are 20G, 12Cr1MoVG, 15CrMoG, etc.
(Carbon steel and carbon-manganese steel seamless steel pipes). It is mainly used for Class I and II pressure-resistant pipes for ship boilers and superheaters. Representative materials are 360, 410, and 460 steel grades.
(Seamless steel pipe for high-pressure chemical fertilizer equipment). It is mainly used to transport high temperature and high pressure fluid pipelines on chemical fertilizer equipment. Representative materials are 20, 16Mn, 12CrMo, 12Cr2Mo, etc.
Rhenium (seamless steel pipe for petroleum cracking). It is mainly used for boilers, heat exchangers and pipelines for transporting fluids in petroleum smelters. Its representative materials are 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb and so on.
(Seamless steel pipe for gas cylinder). Mainly used for making various gas and hydraulic gas cylinders. Its representative materials are 37Mn, 34Mn2V, 35CrMo, and so on.
(Hot-rolled seamless steel pipe for hydraulic props). It is mainly used to make hydraulic supports and cylinders and columns for coal mines, as well as other hydraulic cylinders and columns. Its representative materials are 20, 45, 27SiMn and so on.
(High-pressure seamless steel pipe for diesel engines). Mainly used in high-pressure oil pipes of diesel injection systems. The steel pipe is generally a cold drawn pipe, and its representative material is 20A.
(Cold Drawn Seamless Steel Pipe). Mainly used for mechanical structures, carbon pressure equipment, steel pipes that require high dimensional accuracy and good surface finish. Its representative material is 20, 45 steel and so on.
(Cold-drawn seamless steel pipe-shaped steel pipe). It is mainly used to make various structural parts and parts, and its material is high-quality carbon structural steel and low-alloy structural steel.
(Precision inner diameter seamless steel pipe for hydraulic and pneumatic cylinders). It is mainly used to produce cold drawn or cold rolled seamless steel tubes with precise inner diameters for hydraulic and pneumatic cylinders. Its representative materials are 20, 45 steel and so on.
(Stainless steel seamless steel tubes for boilers and heat exchangers). It is mainly used in boilers, superheaters, heat exchangers, condensers, and catalytic tubes of chemical companies. Used for high temperature, high pressure and corrosion-resistant steel pipes. Its representative materials are 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, and so on.