Describe

Boiler steel pipe Description

ASTM -A106 Gr.b

Boiler steel pipes are divided into two categories: seamless steel pipes and welded steel pipes (seamless pipes). According to the cross-sectional shape, they can be divided into round pipes and special-shaped pipes. Round steel pipes are widely used, but there are also some square, rectangular, semicircular, hexagonal, equilateral triangle, octagonal and other special-shaped steel pipes. For steel pipes that bear fluid pressure, hydraulic tests must be carried out to test their pressure resistance and quality. They are qualified if there is no leakage, soaking or expansion under the specified pressure. Some steel pipes must also undergo curling tests, expansion tests, flattening tests, etc. according to standards or requirements of the purchaser.

Application

SA106B seamless steel pipe is mainly used for heating surface tubes, economizers, superheaters, reheaters and petrochemical industry tubes of low and medium pressure boilers (working pressure is generally above 9.8Mpa, working temperature is between 450℃～650℃);

SA210C

①General boiler tubes are mainly used to manufacture water-cooled wall tubes, boiling water tubes, superheated steam tubes, superheated steam tubes for locomotive boilers, large and small smoke tubes and arch brick tubes, etc.

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

New energy-saving 20g high-pressure boiler tube products are gradually increasing in the market, such as green and environmentally friendly coatings, energy-saving and water-saving sanitary ware products, environmentally friendly stone, environmentally friendly external cement foam insulation board, etc. The prospects of energy-saving and environmentally friendly products in the vast market of 20g high-pressure boiler tube industry are promising.

Specification