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Marine Lee

Premium Author Marine Lee

Changsha, Hunan, China

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ARTICLES BY MARINE LEE


Quenching cracks are common quenching shortcomings, and the causes are various. Because the shortcomings of quenching and tempering treatment are just the beginning of designing products, the work of ...
What measures can the oil casing pipe plant take on the production line?
1. Basic requirements for the appearance of ERW straight seam steel pipe weldsBefore the non-destructive testing of straight seam steel pipes(ERW pipe), the appearance inspection of welds should meet ...
In the procurement of the spiral welded steel pipe market, some customers are often deceived, while others are very angry. Today, let 's talk about common deceptions in the spiral welded steel pipe ma...
1. Types of oil casing and their respective uses 2. Explanation of special terms related to petroleum casing
Corrosion of oil casing is related to factors such as partial pressure of corrosive gas, ambient temperature, water content, salinity, flow rate, pH value and so on. So what are the anti-corrosion pro...
Production standard of high frequency straight seam welded pipe
Affected by the COVID-19: the global seamless steel pipe plant has reduced its output to upgrade
Processing of high-strength petroleum casing wire tube above N80Q grade
Comparison of performance and technical indicators of ERW and SAW
1. Tube blank qualityERW steel pipe special steel has high purity. Through de-S, de-P, de-aeration, Ca treatment and other methods, the S and P content can be controlled below 0.005%, the N content ca...
High pressure boiler seamless steel tube is a kind of boiler tube, which belongs to the seamless steel tube category. The manufacturing method is the same as the seamless pipe, but there are strict re...
With the rapid development of the petroleum industry, the severe corrosion of buried pipelines, oil well casings and storage tank bottom plates, especially oil well casings, in oilfields has severely ...
"ERW steel pipe" is a high-frequency straight seam resistance welded pipe. The English abbreviation for Electric Resistance Welding is abbreviated as ERW. It is used to transport vapor and liquid obje...
Dimensional technical requirements of rectangular tube








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