Lvy Lee

Thick-walled seamless steel pipe has the characteristics of high strength, good hardenability, good toughness, small quenching deformation, high temperature creep strength and high endurance strength...

It relates to a 42CrMo seamless steel pipe and a production method thereof, and the yield strength of the anti-hydrogen sulfide corrosion tubing and casing can reach 130-140ksi.The main process of the...

Thermal cracking refers to the cracks generated at high temperature, also known as high temperature cracks or crystal cracks, which usually occur inside the weld, and sometimes may also appear in the...

How to prevent well casing pipe damage? How to repair well casing to restore its production? These are important questions in the development of oil field.Causes of well casing pipe damage:Improper...

Defects produced in the actual production of high-frequency welded pipes (erw steel pipe) are sometimes not caused by one reason, but are usually the result of a combination of multiple factors...

According to the threaded button type drill pipe joints, there are four types: REG(Regular style connection), IF(Internal-flush style connection), FH(Full-hole style connection); NC(Numbered...

Common problems in the removal process of internal burrs include eccentric, deep, shallow, etc., which of them will affect the quality of weld detection and reduce the yield of welded pipes. In...

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

Annealing process for seamless steel pipes:The seamless annealing of the seamless steel pipe is to heat the hypo-eutectoid steel to 30~50°C above the Ac3 temperature, and to the temperature range of...

The difference between carbon steel seamless pipe and stainless steel seamless pipe mainly refers to the difference in design rules between stainless steel and carbon steel, which means that the...

What is the Difference Between A53 Pipe vs A106 Pipe?We compare the differences between A53 Pipe and A106 Pipe in the following aspects: scope of application, grade evaluation, mechanical properties...

Electric resistance welding (ERW Welded Pipe) is used to transport oil, natural gas and other vapor and liquid objects, which can meet various requirements of high and low pressure, and currently...

How are small-caliber seamless steel pipes made?Main production process of hot-rolled seamless steel pipe (?main inspection process):Tube billet preparation and inspection??tube billet...

How are small-caliber seamless steel pipes made?Main production process of hot-rolled seamless steel pipe (?main inspection process):Tube billet preparation and inspection??tube billet...

In the rolling process of seamless steel pipes, especially precision seamless steel pipes, the pickling process is very important to remove the oxide scale and rust on the surface. How is pickling...