Maximum operating temperature of carbon steel-heat exchanger tubes
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May I ask, in heat exchange applications where carbon steel hydrothermal tubes are used with high-temperature air as the heat source and room-temperature tap water as the cold source, what is the maximum temperature that the heat source air can reach? What should the lowest starting temperature be? The heat pipe is about 1.5 meters long and has a diameter of around 30 mm. Thank you!
Generally, it does not exceed 300 degrees; consider the possibility of a cold water supply interruption