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High pressure boiler tubes: the working pressure is generally above 9.8Mpa, and the working temperature is between 450â and 650â Low and medium pressure boiler tubes: the working pressure is generally not more than 5.88Mpa, and the working temperature is below 450â
C. Different materials Suitable materials for high pressure boiler tubes:
20G, 20MnG, 25MnG, 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, etc. Suitable materials for low and medium pressure boiler tubes: 10#, 20#
D. Different prices
The price of high pressure boiler tubes is higher than that of low and medium pressure boiler tubes.
2. The difference on materials between fluid pipe and boiler pipe?
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