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Classification of Seamless Steel Tubes
Seamless steel tubes have become very common in life. Do you know how many grades of seamless steel tubes can be pided into?
First, the surface of general hot-rolled seamless steel tube products is F...
Hardness Requirements for Three Main Aspects of Petroleum Casing
Thread parameter parameters limit the anti-sticking performance of oil casing pipe to a great extent. Reasonable control of the thread parameters can fully improve the anti-sticking performance of pet...
Advantages of Acidifying External Thickened Tubing
Various impurities can be reduced into the production layer: after acidifying the conventional oil casing pipe, the wax, rust residue and adherent instruments in the pipe will be brought to the format...
Analysis of Welding Attention Points of Seamless Steel Pipe
What should you pay attention to when welding seamless steel tubes?
1. To prevent the back surface of the bottom bead from being oxidized when performing butt backing, gas back protection is also requ...
Non-uniform Bearing of Oil Casing Reduces its Bearing Capacity
Oil casing pipe damage is one of the important factors affecting China's crude oil production. The reasons for its damage include non-uniform stress, corrosion, sand formation in oil layers, and high-...
Difference Between ERW Steel Pipe and Seamless Steel Pipe
The biggest difference between ERW steel pipe and seamless steel tube is that ERW has a weld seam, which is the key to the quality of ERW steel pipe. Modern ERW steel pipe production technology and eq...
