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suli lee

Premium Author suli lee

Changsha, Hunan, China

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The commonly used buckle types of tubing are divided into three types: EU, NU and NewVam.
In corrosive environments, the damage caused by chemical or electrochemical interactions between metals and surrounding media is called corrosion. 
The weld of the large-diameter lsaw steel pipe for piling is longer than the weld of the straight pipe of the same specification, and the pressure of the spiral steel pipe under the same specification...
When constructing high-strength, high-toughness, high-quality long-distance oil and gas pipelines, most of the required steel pipes are large-diameter thick-walled straight seam submerged arcs.
In general, the straightness of the edge of the coil head and coil end is easily exceeded, and defects and defects such as heavy skin, folding, scab, crushing, scratching, etc. are prone to occur, and...
Polyurethane foam has good mechanical properties and thermal insulation properties. It can withstand 120°C under normal conditions. It can withstand 180°C by modifying or combining with other insulati...
LSAW steel pipe and SSAW steel pipe are important production processes in the national production and construction. They have many differences, such as material properties, production processes, and f...
The oil casing pipe is a high-end product for steel pipe production. There are many types of casing, and there are a total of 15 types of casing diameter specifications. The outer diameter range is 11...
Large diameter spiral steel pipe is a general name, generally refers to a spiral steel pipe with a diameter greater than 1 meter. Spiral steel pipes are made by bending and then welded.
Coal mine gas drainage ribbed galvanized spiral steel pipe before the formation of the working raw materials that steel coil, welding wire, flux. Have to go through rigorous physical and chemical test...
The carbon steel pipe is closely related to human life and production activities. The production technology of the steel pipe industry not only develops rapidly, but also introduces new ones. Steel pi...
In the coating process of anticorrosion and carbon steel pipe coating, the quality of the project often presents the same problem, that is, the coating bites at the bottom, foaming in some areas, and ...
At present, commonly used welded steel pipes can be divided into three types of continuous welding (forging) steel pipes, electric resistance welding steel pipes and arc welded steel pipes according t...
Although the relatively cool cooldown of this type of weld encountered in 10 seconds was somewhat longer, the longer time was determined for experimental repeatability and the need to simulate a high ...
ERW pipe weld zone tensile properties and corrosion resistance will cause a certain degree of damage.

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