Page 4 of Steel Pipe News

High-pressure Heat Exchanger Tubes Made from Different Materials

High-pressure Heat Exchanger Tubes Made from Different Materials

  • Jan 10, 2024
  • Hits: 4

The high-pressure heat exchanger tube is responsible for the heat exchange between the heating steam and the boiler feed water and also withstands the high pressure of the boiler feed water. If the material...

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Analysis and Countermeasures on Cracking of Welded Steel Pipes in Flattening Tests

Analysis and Countermeasures on Cracking of Welded Steel Pipes in Flattening Tests

  • Dec 26, 2023
  • Hits: 7

2. Experimental results and analysis 2.1 Metallographic analysis Using JEM-2800F focused ion beam-electron beam double-beam electron microscope and energy spectrometer made by FEI Instruments Co., Ltd.,...

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Cracking of Flattening Tests of Welded Steel Pipes

Cracking of Flattening Tests of Welded Steel Pipes

  • Dec 15, 2023
  • Hits: 3

Welded steel pipe, a marvel of engineering and ingenuity, has been an essential component in the development of modern infrastructure. It is a type of pipe made of steel plates or coils that are...

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Improvement in Tungsten in Argon-arc Welding of Carbon Steel Pipes

Improvement in Tungsten in Argon-arc Welding of Carbon Steel Pipes

  • Nov 14, 2023
  • Hits: 4

2. Rectification of construction Through the close cooperation and analysis of welding technicians, flaw detection personnel in the workshop and quality department, it was finally determined that the...

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Test Results of Large-diameter Thin-walled Duplex Stainless Steel Seamless Pipes

Test Results of Large-diameter Thin-walled Duplex Stainless Steel Seamless Pipes

  • Oct 31, 2023
  • Hits: 8

Duplex stainless steel has gradually become the preferred material for seawater pipeline systems in nuclear power plants because its corrosion resistance to seawater is better than austenitic stainless...

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Development of Large-diameter Thin-walled Duplex Stainless Steel Seamless Pipes

Development of Large-diameter Thin-walled Duplex Stainless Steel Seamless Pipes

  • Oct 10, 2023
  • Hits: 12

Thermoplasticity of duplex stainless steel is poor due to the different deformation behaviors of the austenite phase and the ferrite phase. The stress and strain distribution between the two phases during...

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Analysis of Tungsten in Argon-arc Welding of Carbon Steel Pipes

Analysis of Tungsten in Argon-arc Welding of Carbon Steel Pipes

  • Aug 14, 2023
  • Hits: 12

Abstract: Aiming at the problem of tungsten inclusion during the prefabrication of carbon steel pipes for asphalt tankers and chemical tankers, the argon arc welding process was improved. Firstly, check...

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Cleaning and Thermal Insulation of the Piping System

Cleaning and Thermal Insulation of the Piping System

  • Jun 15, 2023
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1) Preparation before cleaning Before cleaning, it is necessary to select a suitable connection point, set a jumper on the system, and connect the system completely through the jumper to ensure that the...

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Tightness Tests of Piping Systems

Tightness Tests of Piping Systems

  • Jun 05, 2023
  • Hits: 10

With the rise of the shipping market, ship repair and construction have entered a prosperous period, and the quality control of ship piping systems is an important part of ship repair and construction....

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