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Characteristics and Application of ERW Straight Seam Welded Pipe
ERW straight seam welded pipe, also known as "resistance welded straight seam welded pipe", ERW straight seam welded pipe is mainly pided into two forms: ERW AC welded steel pipe and ERW DC welded ste...
Cautions for Installation and Use of Straight Seam Steel Pipes
Straight seam steel pipe is widely used in various industries, such as petroleum, metallurgy, construction, coal mine, port, machinery and other industries. During the installation and use of straight...
Anticorrosion Countermeasures for Oil Casing Pipe
1. First of all, do a good job of meeting water quality standards, and strictly monitor and manage water quality. Carry out decontamination and injection, strengthen the cleaning of main water pipelin...
Annealing Process of Seamless Steel Pipe
Annealing process of seamless steel pipe:
1. Fully annealed. It is used to refine the coarse and superheated structure with poor mechanical properties in medium and low carbon steels after casting, fo...
Testing Method of Oil Casing Pipe
The detection methods of oil casing pipe are:
1. Ultrasonic inspection
When the ultrasonic wave propagates in the tested material, the acoustic characteristics of the material and changes in the int...
Method for Removing Oxidation Scale of Anti-corrosion SSAW Steel Pipe
Removal methods of anti-corrosion ssaw steel pipe include mechanical method, chemical method and electrochemical method. Due to the complexity of the scale composition of the anti-corrosion spiral ste...
What Causes the Strength of the Oil Casing to Change
The strength and quality of the oil casing pipe is always a concern for everyone, because the quality of the oil casing is one of the important factors affecting China's crude oil production. In fact,...
How to Prevent Seamless Steel Tube Corrosion
What are the measures to prevent hot corrosion of seamless steel tubes?
Under high temperature and molten deposits, oxygen and other corrosive gases act simultaneously. The corrosion produced is ca...
Common Anticorrosion Methods for Offshore Oil Casing Pipe
The corrosion problem of downhole oil casing pipe in China's offshore oil and gas fields is extremely serious, which seriously affects the service life of downhole oil casing and normal production of ...
Defects in Welding of Seamless Steel Tubes
The seamless steel tube is still quite a substitute in the production process. The reason for this situation of the seamless steel tube is that the forming gap changes too much, there are small burrs ...
