Function of drill pipe float valve；Installation location of drill pipe float valve：1. Installed at the inlet，2. Installed at the outlet，3. Install inside the buffer，Issues to pay attention to during installation：1....
Production process of casing pipe:Raw material selection,The material of the casing pipe is an important factor in determining its quality and service life. Pipe making;1. Cut the tube,2.Punch holes,3. Install...
Precision tube is a kind of high-precision steel pipe material after cold drawing or hot rolling. Due to the advantages of no oxide layer on the inner and outer walls...
Causes of oil leakage in oil pipe of hydraulic pump:1. Loose pipe joints,2. Pipeline aging,3. Poor pipeline installation;The impact of oil leakage from hydraulic pump oil pipes on the hydraulic...
How to judge whether the flange is American standard or national standard?1.Judge according to the marking on the flange;2.Compare flange dimensions;3. Compare flange manufacturing standards. Judging whether a flange is...
The manufacturing of oil pipes is relatively simple, mainly considering its high strength and corrosion resistance; while the manufacturing of casing is more complicated, and its compressive strength and various...
Methods for surface treatment of seamless steel pipes:1, Clean;2, Tool rust removal;3, Pickling;4, Spray (throw) rust removal;4.1 Rust removal grade;4.2 Spray (throw) abrasive;4.3 Particle size and ratio of abrasive
ASTM staASTM standards are widely used in seamless pipes. For example, ASTM seamless steel pipe materials mainly include A315-B, A53-B, A106-B, A106-B, A178-C, A135-A, A53-A, A106-A, etc.ndards are widely used...
Small-caliber seamless steel pipe are one of the more important features of seamless steel tubes and have various technical advantages and various applications. Small seamless steel tubes with small outside...
The mechanical properties of seamless pipe are one of the important indexes to ensure the final performance of seamless steel pipe.The mechanical properties of seamless steel pipe mainly depend on...
