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  • 2019-01-16

    Heat treatment deformation cause and control method

    In actual production, heat treatment deformation will bring difficulties to subsequent processing, affecting production efficiency, resulting in scrapping due to excessive deformation and increasing costs. Deformation is a problem that is difficult to solve by heat treatment. It is impossible to com

  • 2019-01-09

    Where are special seamless steel tubes and non-standard seamless steel tubes?

    Many seamless steel tube manufacturers require special materials for their parts, ordinary materials can not meet the performance standards, and specifications sometimes are not national standards. This is a headache for purchasers of parts manufacturers. Because the special material seamless steel

  • 2019-01-04

    Measures to avoid the edge of the pipe end of steel pipe 3PE anti-corrosion layer

    The three-layer polyethylene (3PE) anticorrosive coating has been widely used in the petroleum pipeline industry due to its good corrosion resistance, water vapor permeability and mechanical properties. The end of the steel pipe of the anticorrosive layer is prone to the problem of warping caused by

  • 2019-01-03

    How to measure the standard of alloy steel pipe? What are its characteristics?

    Alloy steel pipes are mainly used in power plants, nuclear power plants, high-pressure boilers, high-temperature superheaters and reheaters and other high-pressure and high-temperature pipelines and equipment. They are made of high-quality carbon steel, alloy structural steel and stainless heat-resi

  • 2019-01-03

    Comparison of performance of seamless steel pipe and traditional pipe

    1. Seamless steel pipe supply steel pipe is compared with other traditional pipe materials. The raw materials are light, high in strength, good in patience, able to withstand high internal pressure, sensitive in production, and can be used in messy or bad geological conditions.2, but the steel pipe

  • 2018-12-19

    Why do seamless steel pipes need pickling process?

    In the rolling of seamless steel tube, especially in the production process of precise seamless steel tube, how on earth is the pickling process carried out? Today, Raymond steel tube company will unveil the mystery for you right away!Summary of Acidic Pickling of Precision Seamless Steel PipeThe me

  • 2017-11-29

    What is DIN2391 standard specifies for steel tube?

    Do you know what is steel tube standard specifies? Today I’d like to tell you DIN2391 standard specifies for steel tube. Firstly, from DIN2391 we know this is Germany standard.


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