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21.09.2017

The Introduction of Cold Rolled Seamless Pipes

Cold rolled seamless pipes Cold rolled seamless pipes(GB3639-2000)are cold drawn or cold rolled precision seamless steel pipes with high accuracy of the dimension and good finish of the surface us...
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Technical Articles
  • Posted: 05/20/2017 10:47:26  Hits: 15
    Stainless steel pipes are hollow long round steels, which are mainly used in industrial pipelines and mechanical components of petroleum, chemical, medical, food, light and mechanical instrument industries, etc. Under the condition of having the same bending and torsional strength, stainless steel pipes also have light...
  • Posted: 05/05/2017 14:10:25  Hits: 23
    With the development of China's national economy, large-diameter LSAW pipes are more and more welcomed by oil and gas, ore pulp transportation and steel structure engineering industries due to the advantages of strong bearing ability, low resistance, low temperature resistance, corrosion resistance and easy install...
  • Posted: 04/26/2017 16:05:47  Hits: 18
    1. The main features of seamless steel pipe are welding without seam and can bear great pressure. The products can be made from rough casts or cold drawn parts. 2.Precision steel pipes appear just in recent years, and there are strict tolerance and roughness between the inner hole and the outer wall size. Cold drawn pr...
  • Posted: 03/25/2017 16:10:07  Hits: 9
    Fertilizer pipe is mainly used for transporting high temperature and high pressure fluid. Pipes for fertilizer: GB6479-2000(seamless steel pipe for high pressure fertilizer equipment). It is mainly used for high-temperature and high-pressure chemical equipment. The typical kinds of materials are 20, 16Mn, 12CrMo, 12Cr2...
  • Posted: 03/14/2017 13:12:53  Hits: 14
    Choose the right site and warehouse: 1) The site and warehouse for storing steel products should be clean, with good drainage, and away from factories and mines which produce harmful gases or dust. Weeds and other stuff should be removed in order to keep the steel clean.  2) Steel products should not be put with a...
  • Posted: 03/14/2017 11:52:32  Hits: 12
    1. Welded steel pipe(GB/T3092-1993) is used for transporting low-pressure fluid, commonly known as black steel pipe. It is applied to low pressure fluid such as  water, gas, air, oil and heating steam, as well as other fields. Steel pipe is classified into ordinary steel pipe and heavy steel pipe based on wall thi...
  • Posted: 02/23/2017 14:41:41  Hits: 14
    The performances of square tube 1. The analysis of plasticity of square tube  Plasticity refers to the plastic deformation(permanent deformation) of metal material under the action of the load, which can not be damaged. 2. The analysis of hardness of square tube  Hardness is a measure of softness and hardne...
  • Posted: 02/16/2017 16:42:39  Hits: 11
    Boiler steel pipes have two open ends with hollow section, which are classified into seamless steel pipe and welded steel pipe. We use the size, for example diameter, length and wall thickness to show the specification of boiler pipe. Boiler steel pipe has a big size range, from the tiny pipe with very small diameter t...
  • Posted: 01/10/2017 14:14:43  Hits: 51
    The stainless steel pipe is a kind of hollow long circular steel, mainly used for oil, chemical, medical care, food, light, machinery and instruments industries' transportation pipeline and mechanical parts. Also, it is widely used for the fabrication of mechanical parts, engineering structures, conventional weapo...
  • Posted: 08/18/2016 16:42:38  Hits: 21
    PE pipe is used in agricultural and industrial fields and is commonly used in the application of construction industry, such as drain-pipe buried in the ground, gas piping. PE pipe is mainly used for urban gas supply, urban water supply, and farmland irrigation conservancy, etc.  Main features of PE pipes: it is ...