In high pressure boiler tube seamless steel pipe main brands: 20Mng 15MoG 15CrMoG 12Cr2MoG 20G. 12Cr1MoV etc., used for high pressure boiler (work pressure in commonly 9.8 MPa above, working temperature in ℃ ~ 650 ℃ between 4.5) heating pipes, collection box, economizer, superheater and in heat exchanger etc.
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