The use and manufacture of fluid tubes

The use and manufacture of fluid tubes

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

High-pressure boiler pipes are mainly used to manufacture high-pressure and ultra-high pressure boiler superheater tube, reheater tube, air pipe, the main steam pipe.

However, the tube also has some limitations, such as in the plane under the conditions of bending, the tube is not as good as the square tube bending strength, some agricultural machinery skeleton, steel and wood furniture on the commonly used side, rectangular tube. According to different purposes also need to have other cross-shaped shaped steel pipe.

Seamless steel pipe for fluid delivery (GB / T8163-2008) is a general seamless steel pipe for conveying water, oil and gas.

Fluid tube manufacturing method

General use of the boiler pipes temperature below 450 ℃, domestic tube mainly with 10, 20 carbon steel hot-rolled tube or cold-drawn tube manufacturing.

High-pressure boiler pipes are often used in high temperature and high pressure conditions, the tube in the role of high temperature flue gas and water vapor, will be oxidized and corrosion. Requiring steel pipe with high durability, high oxidation resistance, and good organizational stability.

Classification and application of boiler pipes

The length of the boiler is larger than that of the surrounding steel. According to the production method, the seamless steel pipe and the welded steel pipe can be divided into the outer diameter and the side length, and the outer diameter Thick, said the size range is very wide, from the diameter of the capillary until the diameter of several meters of large diameter pipe. Steel pipes can be used for pipelines, thermal equipment, machinery industry, petroleum geological exploration, containers, chemical industry and special purpose.

Steel seamless steel pipe and welded steel pipe (with pipe) two categories. According to the cross-sectional shape can be divided into round tube and shaped tube, is widely used in circular steel pipe, but there are some square, rectangular, semi-circular, hexagonal, equilateral triangle, octagonal shaped steel pipe. For the hydraulic pressure to withstand the pressure of steel pipe hydraulic pressure test to test its ability and quality, under the provisions of the pressure does not leak, soaked or swollen as qualified, some steel pipe but also in accordance with standard or demand side curling Test, flaring test, flattening test.

General boiler tube temperature below 350 ℃, domestically produced tube with 10, 20 carbon steel hot-rolled tube or cold drawn tube manufacturing.

High-pressure boiler pipes are often used in high temperature and high pressure conditions, the pipe in the high-temperature flue gas and water vapor under the action of oxidation and corrosion. Requirements of high strength steel pipe with a long, high resistance to oxidation and corrosion resistance, and good tissue stability.

Mainly used to manufacture high pressure and super high pressure boiler superheater tube, reheater tube, airway, the main steam pipe. The supply and demand trend of the high-pressure boiler pipes industry is generally stable, but the supply and demand situation of each specific sub-industry will be further divided.

New energy-saving 20g high-pressure boiler tube products in the market is gradually increasing, for example, green paint, energy saving water products, environmental protection stone, environmental protection, such as cement foam insulation board.

The use of boiler pipes

  1. General boiler pipe is mainly used to manufacture water wall tube, boiling water pipes, superheated steam pipe, locomotive boiler with superheated steam pipe, large and small smoke pipe and arch brick tube.
  2. High pressure boiler pipes are mainly used to manufacture high pressure and super high pressure boiler superheater tube, reheater tube, airway, the main steam pipe. The supply and demand trend of the high-pressure boiler pipe industry is generally stable, but the supply and demand situation of each specific sub-industry will be further divided. Insiders pointed out that the most critical part of the new energy-saving insulation 20g high-pressure boiler pipe equipment and promotion.

New energy-saving 20g high-pressure boiler pipe products in the market is gradually increasing, for example, green paint, energy saving water products, environmental protection stone, environmental protection, such as cement foam insulation board. Energy saving and environmental protection products in the 20g high-pressure boiler pipe industry in the broad market prospects are good.

BOILER TUBE, BOILER PIPE

Boiler pipe is one of the seamless steel pipes. The method of manufacturing is same to seamless pipe, but this pipe has an requirement of the steel grades. Depending on the operating temperature, it can be divided into two kinds: general boiler pipes and high-pressure boiler pipes.

● General boiler pipes is suitable for under 450℃. Its made of hot finished or cold rolled carbon steel pipes.

● The general boiler pipe is used to produce water screen tube、boiling water tube、superheating steam tube、 superheating steam tube of locomotive boiler、tobacco tube and generating tube etc.

● High-pressure boiler pipe is used to produce high-pressure or ultrahigh pressure superheater tube、 reheater tube、gas-guide tube、main steam pipe and so on.

(This article comes from CHONGSHENG STEEL PIPE editor released)