Characteristics and applications of hot-rolled seamless tubes

Characteristics and applications of hot-rolled seamless tubes:

1) Characteristics of hot-rolled seamless steel tube

Hot-rolled seamless steel pipes are made by hot-rolling technology and have the following characteristics:

1. High strength: Hot-rolled seamless tube has undergone multiple cold drawing, cold rolling and final rolling processes. Its strength is 2-3 times that of ordinary steel pipes and can withstand higher pressure.
2. High precision: The hot-rolled seamless tube has smooth inner and outer surfaces, high diameter accuracy, and uniform wall thickness, making it less prone to quality problems.

3. High pressure resistance: Hot-rolled seamless tubes are not easily deformed or twisted in high-temperature and high-pressure environments, and are more durable than welded pipes.

2) Application of hot-rolled seamless steel tube

Hot-rolled seamless steel tubes are widely used in petroleum, chemical industry, aviation, aerospace, machinery manufacturing and other fields, including the following aspects:

1. Petroleum field: Hot-rolled seamless steel tubes can be used as oil well riser pipes, oil pipes, oil casings and casings, etc. They can withstand greater oil pressure and the high-temperature and high-pressure environment in the oil circuit.
2. Chemical industry: Hot-rolled seamless steel tubes can also be used in chemical pipelines, furnace tubes, containers and storage tanks, etc. Has good corrosion resistance.
3. Aviation and aerospace fields: Hot-rolled seamless steel tubes are commonly used in the aviation and aerospace fields to manufacture components such as engines and tires.
4. Machinery manufacturing field: Hot-rolled seamless steel tubes can also be used as hydraulic pipes, transmission shafts and other components of machines. Due to its high strength, high precision and high pressure resistance, it can effectively improve the working efficiency and service life of machinery and equipment.

The above are the characteristics and applications of hot-rolled seamless tubes. It can be seen that hot-rolled seamless steel tubes have broad application prospects in various fields. The processing difficulty and cost are high, but their performance and quality cannot be replaced by welded pipes.

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