Current label: Manufacturing of rectangular tube with sufficient supply
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Introduction to rectangular tubes: 1. Consumption and manufacturing methods: ① The operating temperature of ordinary boiler tubes is below 450 ℃, and domestic tubes are mainly made of 10 # and 20 # carbon bonded steel hot-rolled tubes or cold drawn tubes. ② High pressure boiler tubes are often in high temperature and high pressure conditions when they are used. Under the action of high-temperature flue gas and water vapor, the tubes will be oxidized and corroded. The steel pipe is required to have high durability
