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Pipeline weld inspection process
Pressure pipe weld appearance basic requirements Before pressure pipeline do the nondestructive testing, visual inspection of weld inspection ruler should meet the requirements. General requirements for pressure pipe weld appearance and surface quality of welded joints are as follows: welding sho...Read more -
Pipe quenching and tempering
Pipe quenching is heated to above the critical temperature, holding time, and then quickly into the hardening agent to a temperature suddenly decreased to a rate greater than the critical cooling rate of rapid cooling, martensite is obtained based not equilibrium microstructure heat treatment met...Read more -
Heat pipe process
The process of the heat pipe: heat pipe is generally a hollow cylindrical tube, which part of the space is filled with an easily evaporating liquid. Always maintain the vacuum state in the tube, while similar among the evaporation of the liquid temperature and ambient temperature. When heat is ab...Read more -
Oil pipeline leak detection technology and application
The leak is the main oil pipeline running failure. Especially in recent years, the pipeline is to punch the Stolen well corrosion perforation resulting in the spill happened quite frequently, seriously interfere with the normal production, causing huge economic losses, only Shengli Oilfield annua...Read more -
API 5L/ASTM A106 GR.B, SSAW Carbon Steel Pipe
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API 5L/ASTM A106 GR.B, LSAW Carbon Steel Pipe
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