Boiler tube refers to the opening at both ends and has hollow section, its length and the surrounding relatively large steel, according to the production method can be divided into seamless steel pipe and welded steel pipe, steel pipe specifications with the form factor (such as outer diameter or edge length) and wall thickness, its size range is very wide, from a small diameter of capillary tube to a diameter of several meters of large diameter pipe. Steel pipes can be used in pipelines, thermal equipment, machinery industry, petroleum geological exploration, containers, chemical industry and special purposes.
Boiler pipe supplier, perennial business materials: high pressure boiler pipe, 20g high pressure boiler pipe, boiler pipe, Q235, 10 × 20 × 20g, 16Mn, ASTM / ASME (sa106b, c). 35 × 45 × 45 × Q345 (b.c.d), 27SiMn, L245, 40Cr, 35CrMo, 42CrMo, 15grmovg 12CrlMoVG, 1Cr5Mo, a335p11, a335p12, a335t22, a335t91, 16mndg, in accordance with national standards: structural pipe GB / t8162-2008, fluid pipe GB / t8163-2008, low and medium pressure boiler pipe gb3087-2008, high pressure boiler pipe GB5310-2008, medium and low pressure boiler pipe, fertilizer special pipe GB6479-2000, and seamless steel pipe of stone oil cracking pipe GB9948-2006.
The steel pipe is divided into seamless steel pipe and welded steel pipe (seamed pipe). According to the section shape, it can be divided into circular pipe and special-shaped pipe. Circular steel pipe is widely used, but there are also some square, rectangular, semicircle, hexagon, equilateral triangle, octagon and other special-shaped steel pipes. Hydraulic pressure test shall be carried out for the steel pipes bearing fluid pressure to check their pressure resistance and quality. If there is no leakage, wetting or expansion under the specified pressure, it is qualified. Some steel pipes shall be subject to crimping test, expanding test, flattening test, etc. according to the standards or the requirements of the demander.
① General boiler pipes are mainly used to manufacture water wall pipes, boiling water pipes, superheated steam pipes, superheated steam pipes for locomotive boilers, large and small smoke pipes and arch brick pipes, etc.
② High pressure boiler pipe is mainly used to manufacture superheater pipe, reheater pipe, air pipe, main steam pipe, etc. of high pressure and ultra-high pressure boiler. The supply and demand trend of high-pressure boiler tube industry is generally stable, but the supply and demand situation of various sub industries 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.
We were anxious customers worry about, like the purpose of serving customers are thinking, the spirit of mutual benefit, the operating principle of small profits, municipalities seeking to operate seamless steel dealers and users, preferential policies and quality service delivery to you.
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