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Use of Boiler Tube and Steel Number

Application of boiler tube

General boiler tubes are mainly used to manufacture water wall tubes, boiling pipes, superheated steam pipes, superheated steam pipes for locomotive boilers, large and small smoke pipes and arch brick pipes.

(2) High-pressure boiler tubes are mainly used to manufacture superheater tubes, reheater tubes, air ducts, main steam pipes of high-pressure and ultra-high-pressure boilers. The supply and demand trend of high pressure boiler tube industry is generally stable, but the supply and demand situation of each specific sub-industry will be further differentiated. Industry insiders pointed out that the most critical link is the use and promotion of new energy-saving and heat preservation 20g high-pressure boiler tube equipment.

New energy-saving 20g high-pressure boiler tube products are gradually increasing in the market, such as green environmental protection paint, energy-saving water-saving sanitary ware products, environmental protection stone, environmental protection external cement foam insulation board, etc. Energy-saving and environmental protection products have promising prospects in the broad market of 20g high-pressure boiler tube industry.

Steel number used in boiler tube

(1) High quality carbon structural steel grades are 20G, 20MnG and 25MnG.

(2) Alloy structural steel No. 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, etc.

(3) The common 1Cr18Ni9 and 1Cr18Ni11Nb boiler tubes of rusty heat-resistant steel should be tested by hydraulic pressure one by one, and by flattening and flattening tests, in addition to ensuring chemical composition and mechanical properties. Steel pipes are delivered in heat treatment condition.

In addition, there are certain requirements for the microstructure, grain size and decarbonization layer of the finished steel pipe.

Wenzhou Huashang Iron and Steel Co., Ltd. has boiler tubes for sale, with high technical content and stable product quality. Our products have been widely used in various fields.

boiler tube

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