The performance indicators of boiler tubes are important criteria for evaluating the quality and applicability of boiler tubes, mainly including the following aspects:
1. Wall thickness and strength: The wall thickness of boiler tubes directly affects their strength and safety performance. Higher wall thickness can improve the bearing capacity of boiler tubes. Generally speaking, the wall thickness and strength of boiler tubes must meet the design requirements and be able to withstand the high temperature and high pressure during boiler operation.
2. High temperature resistance: Boiler tubes work at high temperatures, so they are required to have good heat resistance and be able to resist the erosion of high temperature gases and corrosive media. High temperature resistance is mainly improved by material selection, processing technology and heat treatment.
3. Pressure resistance: Boiler tubes are subjected to high pressure impact during operation, so they need to have good pressure resistance. Commonly used pressure resistance indicators include tensile strength, compressive strength, bending strength and crack resistance.
4. Corrosion resistance: Boiler tubes are susceptible to erosion by corrosive media, so they need to have good corrosion resistance and be able to resist acid and alkali corrosion, oxidation corrosion and high temperature gas corrosion.
5. Welding performance: The welding performance of boiler tubes directly affects boiler safety and reliability. Good welding performance can ensure the strength and sealing of the weld.
6. Dimensional accuracy and surface quality: The dimensional accuracy and surface quality of boiler tubes are important indicators for evaluating their processing quality, which are of great significance for ensuring the installation and use of boiler tubes.
In short, the performance indicators of boiler tubes comprehensively consider the characteristics of their material properties, processing technology and working environment to ensure that boiler tubes can operate safely and reliably under high temperature, high pressure and corrosive environment.
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