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Generally speaking, the pressure of high-pressure boiler tubes can be divided into the following common grades:

Low Pressure Boiler Tubes: low pressure boilers are usually designed to work at lower pressures, generally in the range of 0.1 to 2.5 megapascals (MPa). These boilers are mainly used for heating, hot water and some industrial processes.

Medium Pressure Boiler Tubes: Medium pressure boilers operate at medium pressures, usually in the range of 2.5 to 6.0 MPa. They are used to generate steam in some industrial applications such as the chemical

chemical industry.

High Pressure Boiler Tubes: High pressure boiler tubes are designed to operate at relatively high pressures, usually in the range of 6.0 to 13.0 MPa or higher. These boilers are typically used in large power plants and industrial processes to generate high temperature, high pressure steam.

Ultra High Pressure Boiler Tubes: Ultra high pressure boilers operate at very high pressures, usually in the range of 13.0 MPa or higher. These boilers are often used in specialized industrial applications, such as nuclear power plants.

High-pressure boiler tube manufacturers suggest that it should be noted that the working pressure of high-pressure boiler tubes must be designed and manufactured in accordance with relevant standards and regulations to ensure safety and reliability. For the selection and use of high pressure boiler tubes, relevant international and national standards and codes should be followed to ensure compliance with laws, regulations and safety requirements. Therefore, when selecting and using high-pressure boiler tubes, relevant professionals should be consulted and applicable regulations and standards should be followed.