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Common problems in high frequency welding and their causes and solutions: ⑴ Weak welding, desoldering, cold folding; Reasons: 1. Mismatch between output power, pressure and speed. 2. The edge of...

There are many causes of gas pipeline leakage accidents. In an industrial system dominated by persified mechanisms, management and maintenance and construction quality are the main causes of gas pipel...

Electric resistance welding (ERW) was invented at the end of the 19th century. It is a method of welding by applying pressure to the assembled weldment through electrodes and using the resistance heat...

According to a Rigzone report on January 1, LNG traders expect that LNG demand will recover rapidly in 2021 after the 2019 new crown pneumonia epidemic has caused significant price fluctuations. Due ...

Seamless steel pipe has better pressure capacity, strength is higher than ERW welded pipe. So it is widely applied in high pressure equipment, and thermal, boiler industries. Generally the welding sea...

The vast majority of oil and gas pipelines in the world require the use of longitudinal submerged arc welded pipes (LSAW). Canada and other western developed countries have improved the technology of ...

Petroleum casing pipe is an important device for petroleum drilling, and its main components also include drill pipes, core tubes and casings, drill collars, and small-diameter drilling steel pipes. ...

Casing Pipe: Petroleum casing pipes are steel pipes used to support the walls of oil and gas wells to ensure the normal operation of the entire oil well after drilling and completion. Each well uses...

According to different production processes, seamless steel tubes can be pided into four categories: hot-rolled seamless steel tubes, hot-expanded seamless steel tubes, cold-drawn seamless steel tubes...

2021 Global Energy Market Situation Forecast: The Oil Market is Expected to " Turn Over" this Year Time has entered 2021. As the sector most affected by the epidemic last year, the energy industry...